{"id":42419,"date":"2025-06-23T02:29:58","date_gmt":"2025-06-22T17:29:58","guid":{"rendered":"https:\/\/jouhou.main.jp\/?p=42419"},"modified":"2026-02-04T10:25:39","modified_gmt":"2026-02-04T01:25:39","slug":"linux-epipe-32-%e8%a7%a3%e8%aa%ac%ef%bc%9a%e3%83%91%e3%82%a4%e3%83%97%e9%80%9a%e4%bf%a1%e5%88%87%e6%96%ad%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%ae%e6%a4%9c%e5%87%ba%e3%81%a8%e4%bf%ae%e5%be%a9%e7%ad%96","status":"publish","type":"post","link":"https:\/\/jouhou.main.jp\/?p=42419","title":{"rendered":"Linux EPIPE (32) \u89e3\u8aac\uff1a\u30d1\u30a4\u30d7\u901a\u4fe1\u5207\u65ad\u30a8\u30e9\u30fc\u306e\u691c\u51fa\u3068\u4fee\u5fa9\u7b56\u7de8"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"42419\" class=\"elementor elementor-42419\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1bad48b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1bad48b\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8333fc6\" data-id=\"8333fc6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-745155d elementor-widget elementor-widget-html\" data-id=\"745155d\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\r\n\r\n<section style=\"max-width:100%; box-sizing:border-box; overflow:visible; font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,'Noto Sans JP','Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif; line-height:1.7; margin:0 0 18px 0; padding:16px; border:1px solid #e5e7eb; border-radius:3px; background:#ffffff;\"> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible;\"> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 10px 0;\"> <div style=\"overflow-wrap:anywhere; max-width:100%; display:inline-block; font-size:16px; letter-spacing:0.06em; color:#ffffff; background:#000000; border:1px solid #e5e7eb; border-radius:3px; padding:2px 8px; box-sizing:border-box;\">\u6700\u77ed\u30c1\u30a7\u30c3\u30af<\/div> <\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:20px; line-height:1.35; font-weight:700; margin:0 0 6px 0;\">EPIPE\u306f\u300c\u66f8\u304d\u8fbc\u307f\u5148\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u5408\u56f3<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#374151; margin:0 0 14px 0;\">\u539f\u56e0\u63a2\u3057\u3067\u8ff7\u5b50\u306b\u306a\u308a\u3084\u3059\u3044\u30a8\u30e9\u30fc\u307b\u3069\u3001\u307e\u305a\u201c\u7d4c\u8def\u201d\u3068\u201c\u5207\u65ad\u70b9\u201d\u3092\u62bc\u3055\u3048\u308b\u3068\u3001\u6700\u5c0f\u5909\u66f4\u3067\u53ce\u675f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/div> <\/div> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; margin:0 0 12px 0; background:#ffffff;\"> <div style=\"overflow-wrap:anywhere; max-width:100%; font-weight:700; margin:0 0 6px 0;\"> <span style=\"display:inline-block; min-width:22px; text-align:center; color:#ffffff; background:#dc2626; border-radius:3px; padding:2px 6px; box-sizing:border-box; margin-right:8px;\">1<\/span> 30\u79d2\u3067\u4e89\u70b9\u3092\u7d5e\u308b <\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#374151; margin:0 0 8px 0;\">\u300c\u3069\u3053\u3078\u66f8\u3053\u3046\u3068\u3057\u3066\u300d\u300c\u76f8\u624b\u304c\u3044\u3064\u9589\u3058\u305f\u304b\u300d\u306b\u5206\u3051\u308b\u3068\u3001\u5207\u308a\u5206\u3051\u306e\u7dda\u304c\u5f15\u3051\u307e\u3059\u3002<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#111827;\"> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u306e\u306f <strong>\u66f8\u304d\u8fbc\u307f\u5074<\/strong> \u304b <strong>\u8aad\u307f\u53d6\u308a\u5074<\/strong> \u304b<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u76f8\u624b\u306f\u300c\u30d1\u30a4\u30d7\u306e\u4e0b\u6d41\u300d\u300cTCP\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u300d\u300c\u30ed\u30b0\u53ce\u96c6\u5148\u300d\u300c\u89aa\u30d7\u30ed\u30bb\u30b9\u300d\u306a\u3069\u3001\u3069\u306e\u7d4c\u8def\u304b<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0;\">\u30fb\u76f4\u524d\u306b\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\/\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\/\u518d\u8d77\u52d5\/\u30b9\u30b1\u30fc\u30eb\u304c\u8d77\u304d\u3066\u3044\u306a\u3044\u304b\uff08\u4f0f\u7dda\u306b\u306a\u308a\u3084\u3059\u3044\uff09<\/div> <\/div> <\/div> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; margin:0 0 12px 0; background:#ffffff;\"> <div style=\"overflow-wrap:anywhere; max-width:100%; font-weight:700; margin:0 0 6px 0;\"> <span style=\"display:inline-block; min-width:22px; text-align:center; color:#ffffff; background:#16a34a; border-radius:3px; padding:2px 6px; box-sizing:border-box; margin-right:8px;\">2<\/span> \u4e89\u70b9\u5225\uff1a\u4eca\u5f8c\u306e\u9078\u629e\u3084\u884c\u52d5 <\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#374151; margin:0 0 10px 0;\">\u540c\u3058EPIPE\u3067\u3082\u201c\u9589\u3058\u305f\u7406\u7531\u201d\u304c\u9055\u3046\u3068\u624b\u5f53\u3066\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u72b6\u6cc1\u306b\u8fd1\u3044\u7bb1\u304b\u3089\u5f53\u305f\u308a\u3092\u4ed8\u3051\u307e\u3059\u3002<\/div>\r\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #d1fae5; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ecfdf5;\">\r\n  <div style=\"overflow-wrap:anywhere; max-width:100%; font-weight:700; margin:0 0 6px 0;\">\u30b1\u30fc\u30b9A\uff1a\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u4e0b\u6d41\u304c\u5148\u306b\u7d42\u4e86\uff08SIGPIPE\/EPIPE\uff09<\/div>\r\n  <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#374151; margin:0 0 8px 0;\">\u4e0b\u6d41\u304c\u65e9\u304f\u7d42\u308f\u308b\u3068\u3001\u4e0a\u6d41\u306e\u66f8\u304d\u8fbc\u307f\u5148\u304c\u6d88\u3048\u307e\u3059\u3002\u7d42\u4e86\u6761\u4ef6\u3084\u30d5\u30a3\u30eb\u30bf\u306e\u60f3\u5b9a\u30ba\u30ec\u304c\u4f0f\u7dda\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002<\/div>\r\n  <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; margin:0; padding:10px; border-radius:3px; background:#111827; color:#ffffff;\"># \u9078\u629e\u3068\u884c\u52d5\uff08\u5019\u88dc\uff09\r\nset -o pipefail\r\necho \"$PIPESTATUS\"\r\n(\u4e0a\u6d41\u30b3\u30de\u30f3\u30c9) | (\u4e0b\u6d41\u30b3\u30de\u30f3\u30c9) 2>&1 | head -n 50\r\n\r\n\u4e0b\u6d41\u304c\u65e9\u304f\u9589\u3058\u308b\u6761\u4ef6\uff08head\/grep\u306e\u7d42\u4e86\u3001\u4ef6\u6570\u4e0a\u9650\uff09\u3092\u78ba\u8a8d<\/pre>\r\n<\/div>\r\n\r\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #d1fae5; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ecfdf5;\">\r\n  <div style=\"overflow-wrap:anywhere; max-width:100%; font-weight:700; margin:0 0 6px 0;\">\u30b1\u30fc\u30b9B\uff1a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5207\u65ad\u3067\u30b5\u30fc\u30d0\u304c\u66f8\u304d\u8fbc\u307f\u306b\u5931\u6557\uff08HTTP\/DB\/SSH\u7b49\uff09<\/div>\r\n  <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#374151; margin:0 0 8px 0;\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u5207\u65ad\u3001LB\u306e\u6319\u52d5\u3067\u300c\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u304c\u8d77\u304d\u307e\u3059\u3002\u518d\u9001\u3084\u30d0\u30c3\u30d5\u30a1\u8a2d\u8a08\u304c\u9375\u306b\u306a\u308a\u307e\u3059\u3002<\/div>\r\n  <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; margin:0; padding:10px; border-radius:3px; background:#111827; color:#ffffff;\"># \u9078\u629e\u3068\u884c\u52d5\uff08\u5019\u88dc\uff09\r\nss -tanp | head -n 50\r\njournalctl -u (unit) --since \"1 hour ago\" | tail -n 200\r\n\r\n\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\/\u5207\u65ad\u306e\u76f4\u524d\u30ed\u30b0\uff08upstream, client, keepalive\uff09\u3092\u4e26\u3079\u3066\u898b\u308b<\/pre>\r\n<\/div>\r\n\r\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #d1fae5; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ecfdf5;\">\r\n  <div style=\"overflow-wrap:anywhere; max-width:100%; font-weight:700; margin:0 0 6px 0;\">\u30b1\u30fc\u30b9C\uff1a\u30ed\u30b0\u51fa\u529b\u7d4c\u8def\u304c\u8a70\u307e\u308b\/\u5207\u308c\u308b\uff08journald\u30fbsyslog\u30fbFIFO\uff09<\/div>\r\n  <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#374151; margin:0 0 8px 0;\">\u30ed\u30b0\u8ee2\u9001\u3084\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u53ce\u96c6\u5148\u306e\u505c\u6b62\u3067\u201c\u66f8\u304d\u8fbc\u307f\u5148\u304c\u6d88\u3048\u305f\u201d\u304c\u8868\u9762\u5316\u3057\u307e\u3059\u3002\u672c\u756a\u5f71\u97ff\u3092\u5e83\u3052\u306a\u3044\u89b3\u70b9\u304c\u91cd\u8981\u3067\u3059\u3002<\/div>\r\n  <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; margin:0; padding:10px; border-radius:3px; background:#111827; color:#ffffff;\"># \u9078\u629e\u3068\u884c\u52d5\uff08\u5019\u88dc\uff09\r\njournalctl --disk-usage\r\nsystemctl status systemd-journald\r\nls -l \/var\/log | head -n 20\r\n\r\n\u30ed\u30b0\u7d4c\u8def\uff08stdout\/stderr\u2192journald\u2192\u8ee2\u9001\u5148\uff09\u3067\u201c\u3069\u3053\u304c\u5148\u306b\u9589\u3058\u305f\u304b\u201d\u3092\u7279\u5b9a<\/pre>\r\n<\/div>\r\n\r\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #d1fae5; border-radius:3px; padding:10px; margin:0; background:#ecfdf5;\">\r\n  <div style=\"overflow-wrap:anywhere; max-width:100%; font-weight:700; margin:0 0 6px 0;\">\u30b1\u30fc\u30b9D\uff1a\u30b3\u30f3\u30c6\u30ca\/\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u90fd\u5408\u3067\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u66f4\u65b0\uff08\u518d\u8d77\u52d5\u30fb\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u30fb\u30b5\u30a4\u30c9\u30ab\u30fc\uff09<\/div>\r\n  <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#374151; margin:0 0 8px 0;\">Pod\u5165\u308c\u66ff\u3048\u3084\u30ed\u30b0\u30c9\u30e9\u30a4\u30d0\u5909\u66f4\u3067FD\u306e\u5bff\u547d\u304c\u77ed\u304f\u306a\u308a\u3001\u540c\u3058\u7b87\u6240\u3067EPIPE\u304c\u51fa\u307e\u3059\u3002\u8a2d\u5b9a\u5909\u66f4\u306f\u6700\u5c0f\u5316\u3057\u3064\u3064\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/div>\r\n  <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; margin:0; padding:10px; border-radius:3px; background:#111827; color:#ffffff;\"># \u9078\u629e\u3068\u884c\u52d5\uff08\u5019\u88dc\uff09\r\nkubectl get pods -o wide\r\nkubectl logs (pod) --previous | tail -n 200\r\n\r\n\u76f4\u524d\u306e\u518d\u8d77\u52d5\/\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u3068\u30a8\u30e9\u30fc\u6642\u523b\u3092\u7a81\u304d\u5408\u308f\u305b\u308b<\/pre>\r\n<\/div>\r\n<\/div> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; margin:0 0 12px 0; background:#ffffff;\"> <div style=\"overflow-wrap:anywhere; max-width:100%; font-weight:700; margin:0 0 6px 0;\"> <span style=\"display:inline-block; min-width:22px; text-align:center; color:#ffffff; background:#2563eb; border-radius:3px; padding:2px 6px; box-sizing:border-box; margin-right:8px;\">3<\/span> \u5f71\u97ff\u7bc4\u56f2\u30921\u5206\u3067\u78ba\u8a8d <\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#374151; margin:0 0 8px 0;\">\u5fa9\u65e7\u3092\u6025\u304e\u305f\u3044\u307b\u3069\u3001\u5f71\u97ff\u7bc4\u56f2\u306e\u898b\u53d6\u308a\u56f3\u304c\u52b9\u304d\u307e\u3059\u3002\u6700\u5c0f\u5909\u66f4\u3067\u6e08\u3080\u304b\u3001\u5207\u308a\u66ff\u3048\u308b\u304b\u306e\u5224\u65ad\u6750\u6599\u306b\u306a\u308a\u307e\u3059\u3002<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#111827;\"> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u8a72\u5f53\u30d7\u30ed\u30bb\u30b9\u306f\u7d99\u7d9a\u4e2d\u304b\u3001\u843d\u3061\u305f\u304b\uff08exit code \/ \u518d\u8d77\u52d5\u56de\u6570\uff09<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u30c7\u30fc\u30bf\u6574\u5408\u6027\u306b\u95a2\u4fc2\u3059\u308b\u66f8\u304d\u8fbc\u307f\u304b\uff08\u30ad\u30e5\u30fc\/\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\/\u30d5\u30a1\u30a4\u30ebflush\uff09<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u540c\u6642\u523b\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\/\u30b9\u30c8\u30ec\u30fc\u30b8\/\u30ed\u30b0\u53ce\u96c6\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u306a\u3044\u304b<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0;\">\u30fb\u518d\u73fe\u6761\u4ef6\u304c\u300c\u7279\u5b9a\u306e\u8ca0\u8377\u30fb\u7279\u5b9a\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30fb\u7279\u5b9a\u306e\u7d4c\u8def\u300d\u306b\u5bc4\u3063\u3066\u3044\u306a\u3044\u304b<\/div> <\/div> <\/div> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #fed7aa; border-radius:3px; padding:12px; margin:0 0 12px 0; background:#fff7ed;\"> <div style=\"overflow-wrap:anywhere; max-width:100%; font-weight:700; margin:0 0 8px 0;\">\u5931\u6557\u3059\u308b\u3068\u3069\u3046\u306a\u308b\uff1f\uff08\u3084\u308a\u304c\u3061\u306a\u30df\u30b9\u3068\u8d77\u3053\u308a\u5f97\u308b\u7d50\u679c\uff09<\/div> <ul style=\"overflow-wrap:anywhere; max-width:100%; margin:0; padding-left:18px;\"> <li style=\"margin:0 0 6px 0; overflow-wrap:anywhere; max-width:100%;\">\u539f\u56e0\u304c\u672a\u78ba\u5b9a\u306e\u307e\u307e\u518d\u8d77\u52d5\u3092\u7e70\u308a\u8fd4\u3057\u3001\u30ed\u30b0\u3068\u72b6\u6cc1\u8a3c\u62e0\u304c\u6d88\u3048\u3066\u5207\u308a\u5206\u3051\u304c\u9577\u671f\u5316\u3059\u308b<\/li> <li style=\"margin:0 0 6px 0; overflow-wrap:anywhere; max-width:100%;\">\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u3092\u4e00\u6c17\u306b\u5909\u3048\u3066\u3001\u5225\u306e\u7d4c\u8def\u3067\u8a70\u307e\u308a\u304c\u767a\u751f\u3057\u201c\u4e8c\u6b21\u969c\u5bb3\u201d\u306b\u898b\u3048\u308b\u72b6\u614b\u306b\u306a\u308b<\/li> <li style=\"margin:0 0 6px 0; overflow-wrap:anywhere; max-width:100%;\">\u30ed\u30b0\u51fa\u529b\u5148\u3084\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u8a2d\u5b9a\u3092\u5834\u5f53\u305f\u308a\u3067\u89e6\u308a\u3001\u76e3\u67fb\u30fb\u904b\u7528\u8981\u4ef6\u306b\u62b5\u89e6\u3057\u3066\u8aac\u660e\u30b3\u30b9\u30c8\u304c\u5897\u3048\u308b<\/li> <li style=\"margin:0; overflow-wrap:anywhere; max-width:100%;\">\u6a29\u9650\u30fb\u6240\u6709\u8005\u30fbSELinux\u7b49\u3092\u5e83\u7bc4\u56f2\u306b\u5909\u66f4\u3057\u3066\u3001\u672c\u6765\u7121\u95a2\u4fc2\u306a\u30b5\u30fc\u30d3\u30b9\u307e\u3067\u5dfb\u304d\u8fbc\u3080<\/li> <\/ul> <\/div> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #c7d2fe; border-radius:3px; padding:12px; margin:0; background:#eef2ff;\"> <div style=\"overflow-wrap:anywhere; max-width:100%; font-weight:700; margin:0 0 6px 0;\">\u8ff7\u3063\u305f\u3089\uff1a\u7121\u6599\u3067\u76f8\u8ac7\u3067\u304d\u307e\u3059<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:13px; color:#374151; margin:0 0 10px 0;\">\u5224\u65ad\u306b\u8ff7\u3046\u307b\u3069\u3001\u73fe\u5834\u306e\u524d\u63d0\uff08\u6b62\u3081\u3089\u308c\u306a\u3044\u30fb\u5909\u66f4\u3067\u304d\u306a\u3044\uff09\u3092\u5b88\u3063\u305f\u307e\u307e\u3001\u53ce\u675f\u30eb\u30fc\u30c8\u3092\u4e00\u7dd2\u306b\u4f5c\u308c\u307e\u3059\u3002<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; font-size:12.5px; color:#111827; margin:0 0 10px 0;\"> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u3069\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5148\u306b\u9589\u3058\u305f\u306e\u304b\u3067\u8ff7\u3063\u305f\u3089\u3002<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5909\u66f4\u304c\u6b63\u89e3\u304b\u78ba\u4fe1\u304c\u6301\u3066\u306a\u3044\u3002<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u30ed\u30b0\u7d4c\u8def\uff08journald\/syslog\/\u53ce\u96c6\u57fa\u76e4\uff09\u306e\u8a3a\u65ad\u304c\u3067\u304d\u306a\u3044\u3002<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u518d\u8d77\u52d5\u3067\u4e00\u6642\u56de\u5fa9\u3059\u308b\u304c\u518d\u767a\u3057\u3066\u3044\u3066\u4e0d\u5b89\u3002<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30b3\u30f3\u30c6\u30ca\u3001\u672c\u756a\u30c7\u30fc\u30bf\u3001\u76e3\u67fb\u8981\u4ef6\u304c\u7d61\u307f\u3001\u7121\u7406\u306b\u6a29\u9650\u3092\u89e6\u308b\u524d\u306b\u6574\u7406\u3057\u305f\u3044\u3002<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0 0 4px 0;\">\u30fb\u4e0a\u53f8\u3084\u5f79\u54e1\u3078\u201c\u5f71\u97ff\u7bc4\u56f2\u201d\u306e\u8aac\u660e\u304c\u3064\u3089\u3044\u3002<\/div> <div style=\"overflow-wrap:anywhere; max-width:100%; margin:0;\">\u30fb\u66ab\u5b9a\u5bfe\u5fdc\u3068\u6052\u4e45\u5bfe\u5fdc\u306e\u5207\u308a\u5206\u3051\u3067\u8ff7\u3063\u305f\u3089\u3002<\/div> <\/div>\r\n<div style=\"overflow-wrap:anywhere; max-width:100%; font-size:14px; color:#111827; margin:0 0 10px 0;\">\u73fe\u5834\u306e\u72b6\u6cc1\u3092\u5d29\u3055\u305a\u3001\u6700\u5c0f\u5909\u66f4\u3067\u53ce\u675f\u3092\u72d9\u3046\u76f8\u8ac7\u306a\u3089\u3001<strong>\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u7121\u6599\u76f8\u8ac7\u3002<\/div>\r\n\r\n<div style=\"max-width:100%; box-sizing:border-box; overflow:visible; display:flex; flex-wrap:wrap; gap:8px; margin:0 0 10px 0;\">\r\n  <a href=\"https:\/\/jouhou.main.jp\/?page_id=26983\" style=\"display:inline-block; overflow-wrap:anywhere; max-width:100%; text-decoration:none; background:#2563eb; color:#ffffff; padding:10px 12px; border-radius:3px; border:1px solid #1d4ed8; box-sizing:border-box;\">\u7121\u6599\u76f8\u8ac7\u30d5\u30a9\u30fc\u30e0<\/a>\r\n  <a href=\"tel:0120838831\" style=\"display:inline-block; overflow-wrap:anywhere; max-width:100%; text-decoration:none; background:#1e3a8a; color:#ffffff; padding:10px 12px; border-radius:3px; border:1px solid #1e40af; box-sizing:border-box;\">\u96fb\u8a71\u3067\u76f8\u8ac7\uff080120-838-831\uff09<\/a>\r\n  <a href=\"tel:0434224240\" style=\"display:inline-block; overflow-wrap:anywhere; max-width:100%; text-decoration:none; background:#0b1f4b; color:#ffffff; padding:10px 12px; border-radius:3px; border:1px solid #0b1f4b; box-sizing:border-box;\">\u6280\u8853\u8005\u76f4\u901a\uff08043-422-4240\uff09<\/a>\r\n<\/div>\r\n\r\n<div style=\"overflow-wrap:anywhere; max-width:100%; font-size:1.5em; font-weight:700; color:#111827; margin:0;\">\u8a73\u3057\u3044\u8aac\u660e\u3068\u5bfe\u7b56\u306f\u4ee5\u4e0b\u672c\u6587\u3078\u3002<\/div>\r\n<\/div> <\/section> <div style=\"margin:0; padding:30pt; background-color:#EEEEEE;\"> <p style=\"margin:0 0 8px 0; font-size:1.2em; font-weight:700; overflow-wrap:anywhere; max-width:100%;\">\u3082\u304f\u3058<\/p> <ul style=\"list-style-type:none; padding-left:0; margin:0;\"> <li style=\"margin:40px 0;\"><a href=\"#sec01\" style=\"overflow-wrap:anywhere; max-width:100%; color:#111827; text-decoration:none;\">\u7b2c1\u7ae0\uff1aEPIPE(32)\u304c\u51fa\u308b\u77ac\u9593\u306b\u73fe\u5834\u3067\u8d77\u304d\u3066\u3044\u308b\u3053\u3068<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec02\" style=\"overflow-wrap:anywhere; max-width:100%; color:#111827; text-decoration:none;\">\u7b2c2\u7ae0\uff1a\u300cBroken pipe\u300d\u306f\u539f\u56e0\u3067\u306f\u306a\u304f\u7d50\u679c\u3068\u3044\u3046\u524d\u63d0<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec03\" style=\"overflow-wrap:anywhere; max-width:100%; color:#111827; text-decoration:none;\">\u7b2c3\u7ae0\uff1a\u30d1\u30a4\u30d7\u30fb\u30bd\u30b1\u30c3\u30c8\u30fbstdout\/stderr\u306e\u201c\u7d4c\u8def\u201d\u3092\u56f3\u306b\u3059\u308b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec04\" style=\"overflow-wrap:anywhere; max-width:100%; color:#111827; text-decoration:none;\">\u7b2c4\u7ae0\uff1aSIGPIPE\u3068EPIPE\u306e\u95a2\u4fc2\u3092\u62bc\u3055\u3048\u308b\u3068\u898b\u901a\u3057\u304c\u826f\u304f\u306a\u308b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec05\" style=\"overflow-wrap:anywhere; max-width:100%; color:#111827; text-decoration:none;\">\u7b2c5\u7ae0\uff1a\u30ed\u30b0\u304b\u3089\u5207\u65ad\u70b9\u3092\u898b\u3064\u3051\u308b\uff08\u8ab0\u304c\u5148\u306b\u9589\u3058\u305f\u304b\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec06\" style=\"overflow-wrap:anywhere; max-width:100%; color:#111827; text-decoration:none;\">\u7b2c6\u7ae0\uff1a\u3088\u304f\u3042\u308b\u767a\u751f\u30d1\u30bf\u30fc\u30f3\u5225\u306e\u8aad\u307f\u66ff\u3048\uff08CLI\/\u30b5\u30fc\u30d3\u30b9\/\u30b3\u30f3\u30c6\u30ca\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec07\" style=\"overflow-wrap:anywhere; max-width:100%; color:#111827; text-decoration:none;\">\u7b2c7\u7ae0\uff1a\u6700\u5c0f\u5909\u66f4\u3067\u5fa9\u65e7\u3078\u5bc4\u305b\u308b\u624b\u5f53\u3066\uff08\u518d\u8d77\u52d5\u3088\u308a\u524d\u306b\u898b\u308b\u70b9\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec08\" style=\"overflow-wrap:anywhere; max-width:100%; color:#111827; text-decoration:none;\">\u7b2c8\u7ae0\uff1a\u518d\u767a\u9632\u6b62\u306f\u201c\u6d41\u91cf\u201d\u3068\u201c\u7d42\u4e86\u6761\u4ef6\u201d\u306e\u8a2d\u8a08\u3067\u6c7a\u307e\u308b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec09\" style=\"overflow-wrap:anywhere; max-width:100%; color:#111827; text-decoration:none;\">\u7b2c9\u7ae0\uff1a\u5f71\u97ff\u7bc4\u56f2\u3092\u8aac\u660e\u3067\u304d\u308b\u5f62\u306b\u3059\u308b\uff08\u4e0a\u53f8\u30fb\u76e3\u67fb\u30fbSLA\u5411\u3051\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec10\" style=\"overflow-wrap:anywhere; max-width:100%; color:#111827; text-decoration:none;\">\u7b2c10\u7ae0\uff1a\u8ff7\u3063\u305f\u3089\u76f8\u8ac7\u306b\u5207\u308a\u66ff\u3048\u308b\u5224\u65ad\u8ef8\uff08\u77ed\u671f\u53ce\u675f\u3068\u9577\u671f\u5b89\u5b9a\uff09<\/a><\/li> <\/ul> <\/div> \r\n\r\n\r\n\r\n<p><strong>\u3010\u6ce8\u610f\u3011<\/strong> EPIPE(32)\uff08Broken pipe\uff09\u306f\u300c\u66f8\u304d\u8fbc\u307f\u5148\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u3053\u3068\u3092\u793a\u3059\u7d50\u679c\u3067\u3042\u308a\u3001\u539f\u56e0\u306f\u74b0\u5883\u3054\u3068\u306b\u7570\u306a\u308a\u307e\u3059\u3002\u7126\u3063\u3066\u5fa9\u65e7\u3084\u4fee\u5fa9\u4f5c\u696d\u3092\u9032\u3081\u308b\u3068\u3001\u30ed\u30b0\u3084\u72b6\u6cc1\u8a3c\u62e0\u304c\u5931\u308f\u308c\u305f\u308a\u3001\u8a2d\u5b9a\u5909\u66f4\u304c\u9023\u9396\u3057\u3066\u5f71\u97ff\u7bc4\u56f2\u304c\u5e83\u304c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u672c\u756a\u30c7\u30fc\u30bf\u3084\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30b3\u30f3\u30c6\u30ca\u904b\u7528\u3001\u76e3\u67fb\u8981\u4ef6\u304c\u7d61\u3080\u5834\u5408\u306f\u3001\u7121\u7406\u306b\u6a29\u9650\u3084\u8a2d\u5b9a\u3078\u624b\u3092\u5165\u308c\u308b\u524d\u306b<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306a\u5c02\u9580\u4e8b\u696d\u8005\u3078\u76f8\u8ac7\u3059\u308b\u65b9\u304c\u65e9\u304f\u53ce\u675f\u3057\u3084\u3059\u3044\u3067\u3059\uff08<a href=\"https:\/\/jouhou.main.jp\/?page_id=26983\">\u7121\u6599\u76f8\u8ac7\u30d5\u30a9\u30fc\u30e0<\/a> \/ <a href=\"tel:0120838831\">0120-838-831<\/a>\uff09\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec01\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">EPIPE(32)\u304c\u51fa\u308b\u77ac\u9593\u306b\u73fe\u5834\u3067\u8d77\u304d\u3066\u3044\u308b\u3053\u3068<\/h2> <p>EPIPE(32)\u306f\u3001Linux\u304c\u300c\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\uff08FD\uff09\u3078\u66f8\u304d\u8fbc\u3082\u3046\u3068\u3057\u305f\u304c\u3001\u76f8\u624b\u5074\u304c\u3059\u3067\u306b\u53d7\u3051\u53e3\u3092\u9589\u3058\u3066\u3044\u308b\u300d\u3068\u5224\u65ad\u3057\u305f\u3068\u304d\u306b\u8fd4\u3059\u4ee3\u8868\u7684\u306a\u30a8\u30e9\u30fc\u3067\u3059\u3002\u591a\u304f\u306e\u73fe\u5834\u3067\u306f\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\uff08<code>cmd1 | cmd2<\/code>\uff09\u306e\u9014\u4e2d\u7d42\u4e86\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8d8a\u3057\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5207\u65ad\u3001\u30ed\u30b0\u51fa\u529b\u5148\u306e\u5207\u65ad\u306a\u3069\u3067\u8868\u9762\u5316\u3057\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001EPIPE\u306f\u201c\u8d77\u70b9\u201d\u3067\u306f\u306a\u304f\u201c\u89b3\u6e2c\u70b9\u201d\u3067\u3042\u308a\u3001\u540c\u3058\u30a8\u30e9\u30fc\u3067\u3082\u53ce\u675f\u306e\u4ed5\u65b9\u304c\u307e\u3063\u305f\u304f\u5909\u308f\u308b\u70b9\u3067\u3059\u3002<\/p> <p>\u307e\u305a\u5192\u982d30\u79d2\u3067\u300c\u75c7\u72b6\u300d\u3068\u300c\u3044\u307e\u53d6\u308b\u3079\u304d\u5b89\u5168\u306a\u521d\u52d5\u300d\u3092\u5bfe\u5fdc\u3065\u3051\u3001\u4f5c\u696d\u3092\u6c88\u9759\u5316\u3055\u305b\u307e\u3059\u3002\u3053\u3053\u3067\u306e\u76ee\u7684\u306f\u201c\u76f4\u3059\u201d\u3088\u308a\u5148\u306b\u3001\u201c\u58ca\u3055\u306a\u3044\u30fb\u5897\u3084\u3055\u306a\u3044\u201d\u3067\u3059\u3002<\/p> <table style=\"width:100%; border-collapse:collapse; max-width:100%; box-sizing:border-box;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u75c7\u72b6\uff08\u89b3\u6e2c\uff09<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u307e\u305a\u53d6\u308b\u3079\u304d\u884c\u52d5\uff08\u5b89\u5168\u306a\u521d\u52d5\uff09<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u6b21\u306b\u898b\u308b\u30dd\u30a4\u30f3\u30c8\uff08\u5207\u65ad\u70b9\u306e\u624b\u304c\u304b\u308a\uff09<\/th> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">CLI\u3067\u300cBroken pipe\u300d\u8868\u793a\u3001\u9014\u4e2d\u3067\u51fa\u529b\u304c\u6b62\u307e\u308b<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u518d\u5b9f\u884c\u3067\u518d\u73fe\u6027\u3092\u78ba\u8a8d\u3057\u3064\u3064\u3001\u51fa\u529b\u3092\u30d5\u30a1\u30a4\u30eb\u3078\u9003\u304c\u3057\u3066\u73fe\u8c61\u3092\u56fa\u5b9a\u5316\uff08\u4f8b\uff1a<code>cmd &gt; out.txt 2&gt; err.txt<\/code>\uff09<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u4e0b\u6d41\u30b3\u30de\u30f3\u30c9\u304c\u5148\u306b\u7d42\u4e86\u3057\u3066\u3044\u306a\u3044\u304b\uff08head\/grep\u7b49\uff09\u3001\u7d42\u4e86\u6761\u4ef6\u306e\u30ba\u30ec<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30b5\u30fc\u30d3\u30b9\u306e\u30ed\u30b0\u306bEPIPE\/Write error\u3001\u5fdc\u7b54\u304c\u9014\u5207\u308c\u308b<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u5909\u66f4\u306f\u6700\u5c0f\u306b\u3057\u3001\u8a72\u5f53\u6642\u523b\u306e\u30ed\u30b0\u30fb\u63a5\u7d9a\u72b6\u614b\u3092\u4fdd\u5168\uff08journalctl\u3001\u63a5\u7d9a\u6570\uff09<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\/\u5207\u65ad\u3001LB\/\u30d7\u30ed\u30ad\u30b7\u306e\u8a2d\u5b9a\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u9045\u5ef6<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30b3\u30f3\u30c6\u30ca\u3067\u983b\u767a\u3001\u518d\u8d77\u52d5\u3084\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u3068\u540c\u6642\u306b\u51fa\u308b<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u76f4\u524d\u306e\u518d\u8d77\u52d5\u30fb\u66f4\u65b0\u30a4\u30d9\u30f3\u30c8\u3092\u6642\u523b\u3067\u7a81\u5408\u3057\u3001\u30ed\u30b0\u306e\u524d\u5f8c\u95a2\u4fc2\u3092\u78ba\u4fdd<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">Pod\u5165\u308c\u66ff\u3048\u3001\u30ed\u30b0\u7d4c\u8def\uff08stdout\u2192\u53ce\u96c6\uff09\u3001\u30b5\u30a4\u30c9\u30ab\u30fc\/\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306e\u6319\u52d5<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30d0\u30c3\u30c1\u51e6\u7406\u304c\u9014\u4e2d\u7d42\u4e86\u3001\u4e0b\u6d41\u9023\u643a\u304c\u6b20\u640d\u3059\u308b<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u518d\u5b9f\u884c\u3088\u308a\u5148\u306b\u300c\u3069\u3053\u307e\u3067\u51e6\u7406\u3057\u305f\u304b\u300d\u3092\u78ba\u8a8d\u3057\u3001\u4e8c\u91cd\u5b9f\u884c\u30fb\u4e8c\u91cd\u66f8\u304d\u8fbc\u307f\u3092\u907f\u3051\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u66f8\u304d\u8fbc\u307f\u5148\uff08\u30ad\u30e5\u30fc\/DB\/\u30d5\u30a1\u30a4\u30eb\uff09\u304c\u9589\u3058\u305f\u7406\u7531\u3001\u5bb9\u91cf\u30fb\u6a29\u9650\u30fb\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3<\/td> <\/tr> <\/table> <hr> <p>\u3053\u306e\u30a8\u30e9\u30fc\u304c\u96e3\u3057\u3044\u306e\u306f\u3001\u73fe\u5834\u304c\u305f\u3044\u3066\u3044\u300c\u6b62\u3081\u3089\u308c\u306a\u3044\u30ec\u30ac\u30b7\u30fc\u300d\u300c\u95a2\u4fc2\u8005\u304c\u591a\u3044\u300d\u300c\u8aac\u660e\u8cac\u4efb\u304c\u91cd\u3044\u300d\u72b6\u614b\u3067\u767a\u751f\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u73fe\u8c61\u3060\u3051\u3092\u898b\u308b\u3068\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u58ca\u308c\u305f\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u3057\u304b\u3057\u591a\u304f\u306e\u5834\u5408\u3001\u58ca\u308c\u305f\u306e\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u306a\u304f\u201c\u3064\u306a\u304c\u308a\u65b9\u201d\u3067\u3059\u3002\u30d1\u30a4\u30d7\u306e\u5148\u3001\u30bd\u30b1\u30c3\u30c8\u306e\u5411\u3053\u3046\u3001\u30ed\u30b0\u53ce\u96c6\u306e\u51fa\u53e3\u304c\u5148\u306b\u9589\u3058\u305f\u3002\u305d\u306e\u7d50\u679c\u3068\u3057\u3066\u66f8\u304d\u8fbc\u307f\u304c\u884c\u304d\u5834\u3092\u5931\u3044\u3001EPIPE\u304c\u8868\u306b\u51fa\u307e\u3059\u3002<\/p> <p>\u3053\u3053\u3067\u3044\u304d\u306a\u308a\u8a2d\u5b9a\u3092\u5927\u304d\u304f\u5909\u3048\u308b\u3068\u3001\u539f\u56e0\u306e\u7cf8\u53e3\u304c\u6d88\u3048\u305f\u308a\u3001\u5225\u306e\u7b87\u6240\u3067\u30ce\u30a4\u30ba\u304c\u5897\u3048\u307e\u3059\u3002\u307e\u305a\u306f\u300c\u5207\u65ad\u304c\u8d77\u304d\u305f\u6642\u523b\u300d\u3068\u300c\u305d\u306e\u76f4\u524d\u306b\u5909\u308f\u3063\u305f\u3082\u306e\u300d\u3092\u898b\u3048\u308b\u5316\u3057\u3001\u5834\u3092\u6574\u3048\u307e\u3059\u3002\u4f8b\u3068\u3057\u3066\u3001systemd\u74b0\u5883\u306a\u3089\u8a72\u5f53\u30e6\u30cb\u30c3\u30c8\u306e\u30ed\u30b0\u3092\u6642\u523b\u3067\u8ffd\u3044\u3001\u63a5\u7d9a\u72b6\u614b\u3092\u8efd\u304f\u78ba\u8a8d\u3059\u308b\u3060\u3051\u3067\u3082\u3001\u6b21\u306e\u4e00\u624b\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; border:1px solid #d1d5db; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ffffff;\"> # \u5f71\u97ff\u3092\u5897\u3084\u3057\u306b\u304f\u3044\u78ba\u8a8d\uff08\u4f8b\uff09 journalctl -u &lt;unit&gt; --since \"1 hour ago\" | tail -n 200 ss -tanp | head -n 50 <\/pre> <p>\u3053\u3053\u3067\u5f97\u305f\u3044\u306e\u306f\u300c\u8ab0\u304c\u5148\u306b\u9589\u3058\u305f\u304b\u300d\u306e\u65b9\u5411\u6027\u3067\u3059\u3002\u4e0b\u6d41\u304c\u5148\u306b\u7d42\u308f\u3063\u305f\u306e\u304b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5207\u65ad\u3057\u305f\u306e\u304b\u3001\u53ce\u96c6\u5148\u304c\u9014\u5207\u308c\u305f\u306e\u304b\u3002\u539f\u56e0\u306e\u6df1\u6398\u308a\u306f\u305d\u306e\u5f8c\u3067\u5341\u5206\u3067\u3059\u3002\u5148\u306b\u53ce\u675f\u306e\u9053\u7b4b\u3092\u4f5c\u3063\u3066\u304a\u304f\u3068\u3001\u4e0a\u53f8\u3084\u95a2\u4fc2\u90e8\u9580\u3078\u3082\u201c\u72b6\u6cc1\u201d\u3067\u306f\u306a\u304f\u201c\u8ad6\u70b9\u201d\u3067\u8aac\u660e\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <p>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\u3068\u3057\u3066\u3001EPIPE\u306f\u300c\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u5408\u56f3\u3067\u3042\u308a\u3001\u6700\u521d\u306b\u3084\u308b\u3079\u304d\u3053\u3068\u306f\u5927\u6539\u4fee\u3067\u306f\u306a\u304f\u3001\u8a3c\u62e0\u3068\u6642\u7cfb\u5217\u3092\u56fa\u5b9a\u3057\u3001\u6700\u5c0f\u5909\u66f4\u3067\u5207\u65ad\u70b9\u3092\u7279\u5b9a\u3059\u308b\u6e96\u5099\u3092\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec02\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u300cBroken pipe\u300d\u306f\u539f\u56e0\u3067\u306f\u306a\u304f\u7d50\u679c\u3068\u3044\u3046\u524d\u63d0<\/h2> <p>EPIPE(32)\u306f\u201c\u4f55\u304c\u60aa\u3044\u304b\u201d\u3092\u76f4\u63a5\u306f\u6559\u3048\u3066\u304f\u308c\u307e\u305b\u3093\u3002\u6559\u3048\u3066\u304f\u308c\u308b\u306e\u306f\u300c\u66f8\u304d\u8fbc\u307f\u5148\u304c\u3082\u3046\u3044\u306a\u3044\u300d\u3068\u3044\u3046\u4e8b\u5b9f\u3060\u3051\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u539f\u56e0\u7a76\u660e\u306f\u300c\u66f8\u304d\u8fbc\u307f\u5074\u300d\u3067\u306f\u306a\u304f\u300c\u9589\u3058\u305f\u5074\uff08\u8aad\u307f\u53d6\u308a\u5074\uff0f\u53d7\u3051\u53d6\u308a\u5074\uff09\u300d\u306e\u4e8b\u60c5\u3092\u898b\u306b\u884c\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3092\u53d6\u308a\u9055\u3048\u308b\u3068\u3001\u66f8\u304d\u8fbc\u307f\u5074\u306e\u30ed\u30b8\u30c3\u30af\u4fee\u6b63\u3084\u6a29\u9650\u5909\u66f4\u306b\u8d70\u3063\u3066\u3057\u307e\u3044\u3001\u53ce\u675f\u304c\u9060\u306e\u304d\u307e\u3059\u3002<\/p> <p>\u5b9f\u52d9\u3067\u591a\u3044\u300c\u9589\u3058\u305f\u7406\u7531\u300d\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u30664\u3064\u3067\u3059\u3002\u3044\u305a\u308c\u3082\u201c\u58ca\u308c\u305f\u201d\u3068\u3044\u3046\u3088\u308a\u3001\u201c\u7d42\u4e86\u3057\u305f\u30fb\u5207\u308c\u305f\u30fb\u5165\u308c\u66ff\u308f\u3063\u305f\u201d\u304c\u591a\u3044\u70b9\u304c\u4f0f\u7dda\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <table style=\"width:100%; border-collapse:collapse; max-width:100%; box-sizing:border-box;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u9589\u3058\u305f\u7406\u7531\uff08\u5178\u578b\uff09<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u73fe\u5834\u3067\u306e\u898b\u3048\u65b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u6b21\u306e\u78ba\u8a8d<\/th> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u4e0b\u6d41\u304c\u300c\u3082\u3046\u5341\u5206\u300d\u3068\u5224\u65ad\u3057\u3066\u7d42\u4e86<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u9014\u4e2d\u3067Broken pipe\u3001\u4e0a\u6d41\u304c\u66f8\u3051\u305a\u306b\u843d\u3061\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u4e0b\u6d41\u306e\u7d42\u4e86\u6761\u4ef6\uff08\u4ef6\u6570\u4e0a\u9650\/\u30de\u30c3\u30c1\u6642\u70b9\uff09\u3001<code>set -o pipefail<\/code>\u3067\u5931\u6557\u7b87\u6240\u3092\u7279\u5b9a<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\/\u5207\u65ad<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30b5\u30fc\u30d0\u5074\u306ewrite\u3067EPIPE\u3001\u8ca0\u8377\u6642\u306b\u5897\u3048\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30d7\u30ed\u30ad\u30b7\/LB\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001keepalive\u3001\u5fdc\u7b54\u9045\u5ef6\u306e\u6709\u7121<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u53d7\u3051\u53d6\u308a\u5074\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u305f\/\u518d\u8d77\u52d5<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u4e00\u5b9a\u9593\u9694\u3067\u767a\u751f\u3001\u518d\u8d77\u52d5\u76f4\u5f8c\u306b\u96c6\u4e2d<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">OOM\u3001\u30af\u30e9\u30c3\u30b7\u30e5\u3001\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u3001\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u5931\u6557\u306e\u6642\u523b\u4e00\u81f4<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30ed\u30b0\/\u8ee2\u9001\/\u53ce\u96c6\u7d4c\u8def\u304c\u9014\u5207\u308c\u305f<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30a2\u30d7\u30ea\u306f\u52d5\u3044\u3066\u3044\u308b\u306e\u306b\u51fa\u529b\u3067\u30a8\u30e9\u30fc\u3001\u30ed\u30b0\u6b20\u640d\u304c\u51fa\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">journald\/syslog\/\u8ee2\u9001\u5148\u306e\u7a3c\u50cd\u3001\u30c7\u30a3\u30b9\u30af\u4f7f\u7528\u91cf\u3001\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u76f4\u524d\u30a4\u30d9\u30f3\u30c8<\/td> <\/tr> <\/table> <hr> <p>\u3053\u306e\u524d\u63d0\u306b\u7acb\u3064\u3068\u3001\u3084\u308b\u3053\u3068\u306f\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002\u300c\u66f8\u304d\u8fbc\u307f\u5074\u3092\u76f4\u3059\u300d\u306e\u524d\u306b\u3001\u300c\u9589\u3058\u305f\u5074\u304c\u306a\u305c\u9589\u3058\u305f\u304b\u300d\u3092\u6642\u7cfb\u5217\u3067\u4e26\u3079\u307e\u3059\u3002\u3053\u3053\u3067\u5927\u5207\u306a\u306e\u306f\u3001\u95a2\u4fc2\u8005\u304c\u591a\u3044\u73fe\u5834\u307b\u3069\u3001\u8aac\u660e\u3092\u201c\u73fe\u8c61\u201d\u3067\u306f\u306a\u304f\u201c\u56e0\u679c\u201d\u306b\u5bc4\u305b\u308b\u3053\u3068\u3067\u3059\u3002EPIPE\u306f\u56e0\u679c\u306e\u6700\u5f8c\u306b\u51fa\u308b\u306e\u3067\u3001\u524d\u6bb5\u306e\u4f0f\u7dda\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5909\u66f4\u3001\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u3001\u30ed\u30b0\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u8ca0\u8377\u5897\uff09\u3092\u62fe\u3048\u308b\u304b\u304c\u52dd\u8ca0\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <p>\u307e\u305f\u3001EPIPE\u3068\u4f3c\u305f\u6587\u8108\u3067\u51fa\u308b\u30a8\u30e9\u30fc\u3068\u3057\u3066\u3001\u63a5\u7d9a\u65ad\u306e\u7a2e\u985e\uff08\u76f8\u624b\u304cRST\u3057\u305f\u3001\u9014\u4e2d\u7d4c\u8def\u304c\u843d\u3061\u305f\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u305f\u7b49\uff09\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3092\u96d1\u306b\u6271\u3046\u3068\u3001\u518d\u8a66\u884c\u8a2d\u8a08\u3084\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8a2d\u8a08\u304c\u9006\u65b9\u5411\u306b\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u300cEPIPE\u304c\u51fa\u305f\uff1d\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u3068\u3044\u3046\u6838\u3092\u4fdd\u3061\u3064\u3064\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\/\u30d7\u30ed\u30bb\u30b9\/\u30ed\u30b0\u7d4c\u8def\u306e\u3069\u308c\u304c\u201c\u76f8\u624b\u201d\u306a\u306e\u304b\u3092\u78ba\u5b9a\u3055\u305b\u308b\u306e\u304c\u3001\u6700\u5c0f\u5909\u66f4\u3067\u306e\u53ce\u675f\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p> <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; border:1px solid #d1d5db; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ffffff;\"> # \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u5931\u6557\u7b87\u6240\u3092\u898b\u3084\u3059\u304f\u3059\u308b\uff08\u4f8b\uff09 set -o pipefail (\u4e0a\u6d41) | (\u4e0b\u6d41) echo \"$?\" <\/pre> <p>\u3053\u3053\u307e\u3067\u306e\u307e\u3068\u3081\u3068\u3057\u3066\u3001EPIPE\u306f\u300c\u4f55\u304c\u60aa\u3044\u304b\u300d\u3067\u306f\u306a\u304f\u300c\u3069\u3053\u304c\u5148\u306b\u9589\u3058\u305f\u304b\u300d\u3092\u793a\u3057\u307e\u3059\u3002\u9589\u3058\u305f\u5074\u306e\u4e8b\u60c5\u3092\u8ffd\u3046\u305f\u3081\u306b\u3001\u6642\u523b\u30fb\u30a4\u30d9\u30f3\u30c8\u30fb\u7d4c\u8def\u3092\u63c3\u3048\u308b\u3068\u3053\u308d\u304b\u3089\u59cb\u3081\u308b\u3068\u3001\u73fe\u5834\u306e\u6df7\u4e71\u304c\u30af\u30fc\u30eb\u30c0\u30a6\u30f3\u3057\u3001\u8aac\u660e\u3068\u5224\u65ad\u304c\u4e00\u6c17\u306b\u697d\u306b\u306a\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec03\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u30d1\u30a4\u30d7\u30fb\u30bd\u30b1\u30c3\u30c8\u30fbstdout\/stderr\u306e\u201c\u7d4c\u8def\u201d\u3092\u56f3\u306b\u3059\u308b<\/h2> <p>EPIPE\u306e\u5207\u308a\u5206\u3051\u3092\u65e9\u3081\u308b\u30b3\u30c4\u306f\u3001\u300c\u3069\u3053\u3078\u66f8\u3044\u3066\u3044\u305f\u306e\u304b\u300d\u3092\u201c\u7d4c\u8def\u201d\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u3067\u3059\u3002Linux\u3067\u306f\u3001\u30d1\u30a4\u30d7\u3001\u30bd\u30b1\u30c3\u30c8\u3001\u7aef\u672b\u3001\u30d5\u30a1\u30a4\u30eb\u3001\u30ed\u30b0\u53ce\u96c6\u306a\u3069\u3001\u898b\u305f\u76ee\u306f\u9055\u3063\u3066\u3082\u6700\u7d42\u7684\u306b\u306fFD\u3078\u66f8\u304d\u8fbc\u307f\u307e\u3059\u3002EPIPE\u304c\u51fa\u305f\u77ac\u9593\u306b\u3001\u305d\u306eFD\u306e\u5411\u3053\u3046\u5074\uff08\u53d7\u3051\u53e3\uff09\u304c\u6d88\u3048\u3066\u3044\u305f\u3002\u305d\u308c\u3060\u3051\u306f\u78ba\u304b\u3067\u3059\u3002<\/p> <p>\u305d\u3053\u3067\u3001\u73fe\u5834\u3067\u3042\u308a\u304c\u3061\u306a3\u3064\u306e\u7d4c\u8def\u3092\u3001\u6700\u5c0f\u9650\u306e\u7c92\u5ea6\u3067\u6574\u7406\u3057\u307e\u3059\u3002\u56f3\u306b\u3059\u308b\u76ee\u7684\u306f\u3001\u7d30\u90e8\u306e\u8a2d\u8a08\u8b70\u8ad6\u3067\u306f\u306a\u304f\u3001\u5207\u65ad\u70b9\u3092\u898b\u5931\u308f\u306a\u3044\u305f\u3081\u306e\u201c\u5730\u56f3\u201d\u3092\u4f5c\u308b\u3053\u3068\u3067\u3059\u3002<\/p> <h3>1) \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\uff08\u30d7\u30ed\u30bb\u30b9\u9593\u30d1\u30a4\u30d7\uff09<\/h3> <p>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306f\u300c\u4e0a\u6d41\u304c\u66f8\u304d\u3001\u4e0b\u6d41\u304c\u8aad\u3080\u300d\u69cb\u9020\u3067\u3059\u3002\u4e0b\u6d41\u304c\u5148\u306b\u7d42\u4e86\u3059\u308b\u3068\u3001\u4e0a\u6d41\u306f\u6b21\u306e\u66f8\u304d\u8fbc\u307f\u3067EPIPE\u306b\u906d\u9047\u3057\u307e\u3059\u3002\u5178\u578b\u4f8b\u306f\u3001\u4e0b\u6d41\u304c<code>head<\/code>\u3084<code>grep -m<\/code>\u3067\u65e9\u304f\u7d42\u308f\u308b\u30b1\u30fc\u30b9\u3001\u3042\u308b\u3044\u306f\u4e0b\u6d41\u304c\u30a8\u30e9\u30fc\u3067\u843d\u3061\u308b\u30b1\u30fc\u30b9\u3067\u3059\u3002<\/p> <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; border:1px solid #d1d5db; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ffffff;\"> (\u4e0a\u6d41\u30d7\u30ed\u30bb\u30b9 stdout) --> [pipe] --> (\u4e0b\u6d41\u30d7\u30ed\u30bb\u30b9 stdin) \u2191 \u4e0b\u6d41\u304c\u5148\u306bclose\/exit\u3059\u308b\u3068\u3001\u4e0a\u6d41\u306ewrite\u3067EPIPE <\/pre> <hr> <h3>2) \u30bd\u30b1\u30c3\u30c8\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff1aTCP\/UNIX\u30c9\u30e1\u30a4\u30f3\uff09<\/h3> <p>\u30bd\u30b1\u30c3\u30c8\u306e\u5834\u5408\u3001\u76f8\u624b\uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30b5\u30fc\u30d0\uff09\u304c\u5148\u306b\u5207\u65ad\u30fb\u7d42\u4e86\u30fb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3059\u308b\u3068\u3001\u3053\u3061\u3089\u5074\u304c\u9001\u4fe1\u3057\u3088\u3046\u3068\u3057\u305f\u6642\u70b9\u3067EPIPE\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002HTTP\u3084DB\u63a5\u7d9a\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u3001gRPC\u306a\u3069\u3001\u4e0a\u4f4d\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u591a\u69d8\u3067\u3059\u304c\u3001\u73fe\u8c61\u3068\u3057\u3066\u306f\u300c\u76f8\u624b\u304c\u3044\u306a\u3044\u300d\u70b9\u306f\u540c\u3058\u3067\u3059\u3002<\/p> <p>\u30bd\u30b1\u30c3\u30c8\u3067\u306e\u5207\u65ad\u306f\u3001\u904b\u7528\u8981\u56e0\uff08LB\u306e\u30a2\u30a4\u30c9\u30eb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001NAT\u306e\u4fdd\u6301\u3001\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3001rolling update\uff09\u3067\u8d77\u304d\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30a2\u30d7\u30ea\u5358\u4f53\u306e\u30d0\u30b0\u3068\u77ed\u7d61\u3057\u306a\u3044\u65b9\u304c\u53ce\u675f\u3057\u3084\u3059\u3044\u3067\u3059\u3002\u307e\u305a\u306f\u6642\u523b\u3068\u76f8\u95a2\u3092\u53d6\u308a\u3001\u6b21\u306b\u201c\u76f8\u624b\u304c\u5207\u308b\u7406\u7531\u201d\u3078\u5165\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p> <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; border:1px solid #d1d5db; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ffffff;\"> (\u81ea\u30d7\u30ed\u30bb\u30b9) --TCP\/UDS--> (\u76f8\u624b\u30d7\u30ed\u30bb\u30b9) write() ---> \u76f8\u624b\u304c\u5148\u306bclose\/exit\/timeout ---> EPIPE <\/pre> <hr> <h3>3) stdout\/stderr\uff08\u30ed\u30b0\u7d4c\u8def\uff1a\u7aef\u672b\u30fbsystemd\u30fb\u30b3\u30f3\u30c6\u30ca\u30ed\u30b0\uff09<\/h3> <p>stdout\/stderr\u306f\u300c\u305f\u3060\u306e\u6a19\u6e96\u51fa\u529b\u300d\u3068\u898b\u3048\u307e\u3059\u304c\u3001\u5b9f\u904b\u7528\u3067\u306f\u201c\u3069\u3053\u3078\u6d41\u308c\u3066\u3044\u308b\u304b\u201d\u304c\u91cd\u8981\u3067\u3059\u3002systemd\u74b0\u5883\u306a\u3089journald\u3078\u3001\u30b3\u30f3\u30c6\u30ca\u306a\u3089\u30ed\u30b0\u30c9\u30e9\u30a4\u30d0\u3084\u53ce\u96c6\u57fa\u76e4\u3078\u3001\u3042\u308b\u3044\u306f\u30d7\u30ed\u30bb\u30b9\u76e3\u7763\u4e0b\u3067\u30d1\u30a4\u30d7\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6a19\u6e96\u51fa\u529b\u3082\u7d4c\u8def\u306e\u4e00\u90e8\u3067\u3042\u308a\u3001\u53d7\u3051\u53e3\u304c\u9014\u5207\u308c\u308c\u3070EPIPE\u306b\u306a\u308a\u5f97\u307e\u3059\u3002<\/p> <p>\u7279\u306b\u30b3\u30f3\u30c6\u30ca\u904b\u7528\u3067\u306f\u3001Pod\u5165\u308c\u66ff\u3048\u3084\u30b5\u30a4\u30c9\u30ab\u30fc\u306e\u518d\u8d77\u52d5\u3067\u201c\u53d7\u3051\u53e3\u306e\u4e16\u4ee3\u201d\u304c\u5909\u308f\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30a2\u30d7\u30ea\u304c\u6b63\u3057\u304f\u3066\u3082\u3001\u66f8\u304d\u8fbc\u307f\u5148\u306e\u5bff\u547d\u304c\u77ed\u3044\u3068\u3001\u540c\u3058\u7b87\u6240\u3067EPIPE\u304c\u7e70\u308a\u8fd4\u3057\u89b3\u6e2c\u3055\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u6a29\u9650\u3084\u30ed\u30b0\u8a2d\u5b9a\u3092\u5927\u304d\u304f\u5909\u3048\u308b\u3088\u308a\u3001\u307e\u305a\u7d4c\u8def\u306e\u4e16\u4ee3\u4ea4\u4ee3\uff08\u518d\u8d77\u52d5\u3084\u66f4\u65b0\uff09\u3068\u6642\u523b\u304c\u4e00\u81f4\u3057\u3066\u3044\u306a\u3044\u304b\u3092\u898b\u3066\u3001\u8ad6\u70b9\u3092\u6c88\u9759\u5316\u3055\u305b\u307e\u3059\u3002<\/p> <table style=\"width:100%; border-collapse:collapse; max-width:100%; box-sizing:border-box;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u51fa\u529b\u5148\u306e\u898b\u3048\u65b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u5b9f\u969b\u306e\u7d4c\u8def<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u5207\u65ad\u70b9\u306e\u5019\u88dc<\/th> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u7aef\u672b\u306b\u51fa\u3057\u3066\u3044\u308b\u3060\u3051<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">PTY\/TTY\u3078write<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u63a5\u7d9a\u65ad\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u7d42\u4e86<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">systemd\u306e\u30ed\u30b0<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">stdout\/stderr\u2192journald\u2192\u4fdd\u5b58\/\u8ee2\u9001<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">journald\u505c\u6b62\u3001\u5bb9\u91cf\u903c\u8feb\u3001\u8ee2\u9001\u5148\u65ad<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30b3\u30f3\u30c6\u30ca\u306e\u30ed\u30b0<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">stdout\u2192\u30e9\u30f3\u30bf\u30a4\u30e0\u2192\u30ed\u30b0\u30c9\u30e9\u30a4\u30d0\/\u53ce\u96c6<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">Pod\u4e16\u4ee3\u4ea4\u4ee3\u3001\u53ce\u96c6\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u518d\u8d77\u52d5<\/td> <\/tr> <\/table> <p>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\u3068\u3057\u3066\u3001EPIPE\u3092\u201c\u70b9\u306e\u30a8\u30e9\u30fc\u201d\u3068\u3057\u3066\u6271\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u201c\u7dda\uff08\u7d4c\u8def\uff09\u306e\u3069\u3053\u304c\u9014\u5207\u308c\u305f\u304b\u201d\u3068\u3057\u3066\u6271\u3046\u3068\u3001\u7121\u99c4\u306a\u5909\u66f4\u3092\u6e1b\u3089\u305b\u307e\u3059\u3002\u6b21\u7ae0\u4ee5\u964d\u3067\u306f\u3001\u3053\u306e\u7d4c\u8def\u4e0a\u3067\u300c\u8ab0\u304c\u5148\u306b\u9589\u3058\u305f\u304b\u300d\u3092\u30ed\u30b0\u30fb\u30b7\u30b0\u30ca\u30eb\u30fb\u7d42\u4e86\u30b3\u30fc\u30c9\u306e\u89b3\u70b9\u304b\u3089\u8a70\u3081\u3066\u3044\u304d\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec04\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">SIGPIPE\u3068EPIPE\u306e\u95a2\u4fc2\u3092\u62bc\u3055\u3048\u308b\u3068\u898b\u901a\u3057\u304c\u826f\u304f\u306a\u308b<\/h2> <p>\u30d1\u30a4\u30d7\u3084\u30bd\u30b1\u30c3\u30c8\u3078\u306e\u66f8\u304d\u8fbc\u307f\u3067\u300c\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u5834\u5408\u3001Linux\u3067\u306f2\u3064\u306e\u5f62\u3067\u8868\u306b\u51fa\u307e\u3059\u30021\u3064\u306f\u30b7\u30b0\u30ca\u30eb\u306eSIGPIPE\u3001\u3082\u30461\u3064\u306f\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u623b\u308a\u5024\u3068\u3057\u3066\u306eEPIPE(32)\u3067\u3059\u3002\u3053\u3053\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u540c\u3058\u73fe\u8c61\u3067\u3082\u300c\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u305f\u306e\u304b\u300d\u300c\u30a8\u30e9\u30fc\u3068\u3057\u3066\u6271\u3063\u3066\u7d99\u7d9a\u3057\u305f\u306e\u304b\u300d\u3092\u5206\u3051\u3066\u7406\u89e3\u3067\u304d\u3001\u73fe\u5834\u306e\u8b70\u8ad6\u304c\u6c88\u9759\u5316\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <p>\u5178\u578b\u4f8b\u304c\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u3059\u3002\u4e0b\u6d41\u304c\u5148\u306b\u7d42\u4e86\u3059\u308b\u3068\u3001\u4e0a\u6d41\u304c\u6b21\u306bwrite\u3057\u305f\u77ac\u9593\u306bSIGPIPE\u3092\u53d7\u3051\u307e\u3059\u3002SIGPIPE\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u52d5\u4f5c\u306f\u30d7\u30ed\u30bb\u30b9\u7d42\u4e86\u306a\u306e\u3067\u3001\u4e0a\u6d41\u304c\u7a81\u7136\u7d42\u308f\u308a\u3001\u30b7\u30a7\u30eb\u306b\u306fBroken pipe\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304cSIGPIPE\u3092\u7121\u8996\u3057\u305f\u308a\u6355\u6349\u3057\u3066\u3044\u308b\u5834\u5408\u3001write\u306f-1\u3092\u8fd4\u3057\u3001errno=EPIPE\u3068\u3057\u3066\u89b3\u6e2c\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001SIGPIPE\u3068EPIPE\u306f\u540c\u6839\u3067\u3001\u89b3\u6e2c\u306e\u5f62\u304c\u9055\u3046\u3060\u3051\u3067\u3059\u3002<\/p> <h3>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u300c\u3069\u3061\u3089\u304c\u8d77\u304d\u305f\u304b\u300d\u3092\u5b89\u5168\u306b\u898b\u5206\u3051\u308b<\/h3> <p>\u307e\u305a\u306f\u7d42\u4e86\u30b3\u30fc\u30c9\u3068\u5931\u6557\u4f4d\u7f6e\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u306f\u3001\u3069\u306e\u30b3\u30de\u30f3\u30c9\u304c\u5931\u6557\u3057\u305f\u304b\u304c\u898b\u3048\u306b\u304f\u3044\u305f\u3081\u3001\u5931\u6557\u7b87\u6240\u3092\u898b\u3048\u308b\u5f62\u306b\u3057\u3066\u304b\u3089\u539f\u56e0\u3078\u5165\u308b\u3068\u3001\u7121\u99c4\u306a\u5909\u66f4\u3092\u6e1b\u3089\u305b\u307e\u3059\u3002<\/p> <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; border:1px solid #d1d5db; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ffffff;\"> # \u5931\u6557\u7b87\u6240\u3092\u898b\u3048\u308b\u5316\uff08bash\u4f8b\uff09 set -o pipefail (\u4e0a\u6d41) | (\u4e0b\u6d41) echo \"exit=$?\" echo \"PIPESTATUS=${PIPESTATUS[*]}\" <\/pre> <p>\u7d42\u4e86\u30b3\u30fc\u30c9\u304c128+13\uff08141\uff09\u4ed8\u8fd1\u306e\u5834\u5408\u3001SIGPIPE\u3067\u7d42\u308f\u3063\u305f\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3001\u3068\u3044\u3046\u5f53\u305f\u308a\u304c\u4ed8\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u74b0\u5883\u3084\u30e9\u30c3\u30d1\u30fc\u306b\u3088\u3063\u3066\u898b\u3048\u65b9\u306f\u5909\u308f\u308b\u305f\u3081\u3001\u78ba\u5b9a\u306f\u300c\u3069\u306e\u66f8\u304d\u8fbc\u307f\u304c\u5931\u6557\u3057\u305f\u304b\u300d\u3092\u30ed\u30b0\u30fb\u30c8\u30ec\u30fc\u30b9\u30fb\u30a2\u30d7\u30ea\u5074\u306e\u6271\u3044\u3067\u88dc\u5f37\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u30b5\u30fc\u30d3\u30b9\u3084\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3067\u306f\u300c\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u6709\u7121\u300d\u304c\u5dee\u306b\u306a\u308b<\/h3> <p>\u30b5\u30fc\u30d0\u30d7\u30ed\u30bb\u30b9\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3078\u9001\u4fe1\u4e2d\u306b\u76f8\u624b\u304c\u5207\u65ad\u3059\u308b\u3068\u3001SIGPIPE\/EPIPE\u306e\u3069\u3061\u3089\u304b\u3067\u89b3\u6e2c\u3055\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001\u540c\u3058\u5207\u65ad\u3067\u3082\u201c\u969c\u5bb3\u201d\u304b\u201c\u60f3\u5b9a\u5185\u201d\u304b\u304c\u5206\u304b\u308c\u308b\u3053\u3068\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u753b\u9762\u9077\u79fb\u306b\u3088\u308b\u5207\u65ad\u306f\u4e00\u5b9a\u5272\u5408\u3067\u8d77\u304d\u307e\u3059\u3002\u554f\u984c\u306f\u300c\u904e\u5270\u306b\u8d77\u304d\u3066\u3044\u306a\u3044\u304b\u300d\u300c\u5207\u65ad\u306e\u5897\u52a0\u304c\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u9045\u5ef6\u3084\u30ea\u30bd\u30fc\u30b9\u903c\u8feb\u3068\u540c\u671f\u3057\u3066\u3044\u306a\u3044\u304b\u300d\u3067\u3059\u3002<\/p> <p>\u305d\u306e\u305f\u3081\u3001SIGPIPE\/EPIPE\u3092\u898b\u305f\u77ac\u9593\u306b\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u3001\u30d0\u30c3\u30d5\u30a1\u8a2d\u5b9a\u3092\u4e00\u6589\u306b\u5909\u3048\u308b\u3088\u308a\u5148\u306b\u3001\u307e\u305a\u306f\u89b3\u6e2c\u3092\u63c3\u3048\u307e\u3059\u3002\u6642\u523b\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u7a2e\u5225\u3001\u5fdc\u7b54\u6642\u9593\u3001\u540c\u6642\u63a5\u7d9a\u3001\u518d\u9001\u306e\u6709\u7121\u304c\u63c3\u3046\u3068\u3001\u201c\u5207\u65ad\u304c\u5897\u3048\u305f\u7406\u7531\u201d\u304c\u8aac\u660e\u53ef\u80fd\u306b\u306a\u308a\u3001\u5834\u304c\u843d\u3061\u7740\u304d\u307e\u3059\u3002<\/p> <table style=\"width:100%; border-collapse:collapse; max-width:100%; box-sizing:border-box;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u89b3\u6e2c<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u793a\u3059\u3053\u3068<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u6b21\u306e\u4e00\u624b<\/th> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">SIGPIPE\u3067\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u308b<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u66f8\u304d\u8fbc\u307f\u6642\u70b9\u3067\u76f8\u624b\u304c\u9589\u3058\u3066\u3044\u305f\u3001\u304b\u3064\u6271\u3044\u304c\u7d42\u4e86\u306b\u5bc4\u3063\u3066\u3044\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u843d\u3061\u305f\u6642\u523b\u3068\u76f4\u524d\u306e\u30a4\u30d9\u30f3\u30c8\uff08\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\/\u8ca0\u8377\/\u63a5\u7d9a\uff09\u3092\u7a81\u5408<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">EPIPE\u3068\u3057\u3066\u30ed\u30b0\u306b\u6b8b\u308b<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u76f8\u624b\u304c\u9589\u3058\u305f\u304c\u3001\u30a8\u30e9\u30fc\u3068\u3057\u3066\u51e6\u7406\u3057\u3066\u7d99\u7d9a\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u983b\u5ea6\u30fb\u5f71\u97ff\u30fb\u518d\u8a66\u884c\u306e\u6319\u52d5\u3092\u628a\u63e1\u3057\u3001\u6052\u4e45\u7b56\u306e\u512a\u5148\u5ea6\u3092\u6c7a\u3081\u308b<\/td> <\/tr> <\/table> <p>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\u3068\u3057\u3066\u3001SIGPIPE\u3068EPIPE\u306f\u300c\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u3068\u3044\u3046\u4e00\u70b9\u3067\u3064\u306a\u304c\u3063\u3066\u3044\u307e\u3059\u3002\u9055\u3044\u306f\u201c\u843d\u3061\u65b9\u201d\u3068\u201c\u6271\u3044\u65b9\u201d\u3067\u3059\u3002\u898b\u901a\u3057\u3092\u826f\u304f\u3059\u308b\u305f\u3081\u306b\u3001\u307e\u305a\u7d42\u4e86\u30b3\u30fc\u30c9\u3068\u5931\u6557\u7b87\u6240\u3092\u63c3\u3048\u3001\u6b21\u7ae0\u3067\u300c\u8ab0\u304c\u5148\u306b\u9589\u3058\u305f\u304b\u300d\u3092\u30ed\u30b0\u306e\u6642\u7cfb\u5217\u3067\u78ba\u5b9a\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec05\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u30ed\u30b0\u304b\u3089\u5207\u65ad\u70b9\u3092\u898b\u3064\u3051\u308b\uff08\u8ab0\u304c\u5148\u306b\u9589\u3058\u305f\u304b\uff09<\/h2> <p>EPIPE(32)\u306e\u53ce\u675f\u3092\u65e9\u3081\u308b\u306b\u306f\u3001\u539f\u56e0\u306e\u63a8\u6e2c\u3092\u5897\u3084\u3059\u3088\u308a\u3001\u300c\u5207\u65ad\u70b9\u300d\u3092\u78ba\u5b9a\u3055\u305b\u308b\u65b9\u304c\u52b9\u679c\u7684\u3067\u3059\u3002\u5207\u65ad\u70b9\u3068\u306f\u3001\u201c\u3069\u306e\u7d4c\u8def\u306e\u76f8\u624b\u304c\u201d\u201c\u3044\u3064\u201d\u201c\u3069\u306e\u7406\u7531\u3067\u201d\u5148\u306b\u9589\u3058\u305f\u306e\u304b\u3001\u3068\u3044\u3046\u6700\u5c0f\u9650\u306e\u4e8b\u5b9f\u3067\u3059\u3002\u3053\u308c\u304c\u78ba\u5b9a\u3059\u308b\u3068\u3001\u5bfe\u7b56\u304c\u300c\u30a2\u30d7\u30ea\u4fee\u6b63\u300d\u304b\u300c\u904b\u7528\u8a2d\u5b9a\u300d\u304b\u300c\u5468\u8fba\u57fa\u76e4\uff08LB\/\u30ed\u30b0\/\u53ce\u96c6\uff09\u300d\u304b\u306b\u5206\u304b\u308c\u3001\u95a2\u4fc2\u8005\u8abf\u6574\u306e\u6e29\u5ea6\u304c\u4e0b\u304c\u308a\u307e\u3059\u3002<\/p> <h3>1) \u6642\u523b\u3092\u56fa\u5b9a\u3057\u3001\u524d\u5f8c\u3092\u540c\u3058\u7c92\u5ea6\u3067\u4e26\u3079\u308b<\/h3> <p>\u307e\u305aEPIPE\u304c\u51fa\u305f\u6642\u523b\u3092\u4e2d\u5fc3\u306b\u3001\u540c\u4e00\u30bf\u30a4\u30e0\u30be\u30fc\u30f3\u30fb\u540c\u4e00\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u30ed\u30b0\u3092\u4e26\u3079\u307e\u3059\u3002systemd\u74b0\u5883\u306a\u3089\u3001\u30e6\u30cb\u30c3\u30c8\u30ed\u30b0\u3092ISO\u6642\u523b\u3067\u62bd\u51fa\u3059\u308b\u3068\u3001\u4ed6\u30ed\u30b0\uff08LB\/\u30a2\u30d7\u30ea\/\u76e3\u8996\uff09\u3068\u7a81\u5408\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; border:1px solid #d1d5db; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ffffff;\"> # systemd\u30e6\u30cb\u30c3\u30c8\u306e\u524d\u5f8c\u3092\u6642\u523b\u3067\u8ffd\u3046\uff08\u4f8b\uff09 journalctl -u &lt;unit&gt; --since \"2026-02-03 08:00:00\" --until \"2026-02-03 09:00:00\" --no-pager <\/pre> <p>\u3053\u3053\u3067\u898b\u308b\u306e\u306f\u300cEPIPE\u304c\u51fa\u305f\u76f4\u5f8c\u300d\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u76f4\u524d\u306b\u3001\u518d\u8d77\u52d5\u3001\u8a2d\u5b9a\u53cd\u6620\u3001\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3001\u30a8\u30e9\u30fc\u5897\u52a0\u3001\u9045\u5ef6\u306e\u5146\u5019\u304c\u306a\u3044\u304b\u3092\u62fe\u3044\u307e\u3059\u3002EPIPE\u81ea\u4f53\u306f\u6700\u5f8c\u306b\u73fe\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u4f0f\u7dda\u306f\u6570\u5341\u79d2\u301c\u6570\u5206\u524d\u306b\u51fa\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>2) \u201c\u76f8\u624b\u201d\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3001\u30d7\u30ed\u30bb\u30b9\u304b\u3001\u30ed\u30b0\u7d4c\u8def\u304b\u3092\u6c7a\u3081\u308b<\/h3> <p>\u6b21\u306b\u300c\u66f8\u304d\u8fbc\u307f\u5148\u304c\u4f55\u3060\u3063\u305f\u304b\u300d\u3092\u6c7a\u3081\u307e\u3059\u3002\u30a2\u30d7\u30ea\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3078\u8fd4\u4fe1\u4e2d\u306a\u3089\u76f8\u624b\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u307e\u305f\u306f\u4e2d\u7d99\u306e\u30d7\u30ed\u30ad\u30b7\uff09\u3067\u3059\u3002\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306a\u3089\u4e0b\u6d41\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002stdout\/stderr\u7d4c\u8def\u306a\u3089journald\u3084\u53ce\u96c6\u7cfb\u3001\u3042\u308b\u3044\u306f\u76e3\u7763\u30d7\u30ed\u30bb\u30b9\u306e\u30d1\u30a4\u30d7\u3067\u3059\u3002\u76f8\u624b\u304c\u6c7a\u307e\u308b\u3068\u3001\u898b\u308b\u3079\u304d\u30ed\u30b0\u304c\u7d5e\u308c\u307e\u3059\u3002<\/p> <ul> <li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u76f8\u624b\uff1a\u63a5\u7d9a\u72b6\u614b\uff08ESTAB\/CLOSE-WAIT\u7b49\uff09\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u30d7\u30ed\u30ad\u30b7\/LB\u30a4\u30d9\u30f3\u30c8<\/li> <li>\u4e0b\u6d41\u30d7\u30ed\u30bb\u30b9\uff1a\u7d42\u4e86\u30b3\u30fc\u30c9\u3001\u7d42\u4e86\u6761\u4ef6\uff08\u4ef6\u6570\u4e0a\u9650\u3084\u65e9\u671f\u7d42\u4e86\uff09\u3001\u30ea\u30bd\u30fc\u30b9\u5236\u9650<\/li> <li>\u30ed\u30b0\u7d4c\u8def\uff1ajournald\/syslog\/\u8ee2\u9001\u5148\u306e\u505c\u6b62\u30fb\u8a70\u307e\u308a\u30fb\u5bb9\u91cf\u30fb\u518d\u8d77\u52d5\u306e\u6709\u7121<\/li> <\/ul> <p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u7591\u308f\u3057\u3044\u5834\u5408\u3001\u63a5\u7d9a\u306e\u72b6\u614b\u3092\u8efd\u304f\u898b\u308b\u3060\u3051\u3067\u3082\u65b9\u5411\u304c\u51fa\u307e\u3059\u3002\u305f\u3068\u3048\u3070CLOSE-WAIT\u304c\u5897\u3048\u308b\u306a\u3089\u3001\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u3066\u3053\u3061\u3089\u304c\u8ffd\u968f\u3067\u304d\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001ESTAB\u304c\u591a\u3044\u306e\u306b\u9045\u5ef6\u304c\u3042\u308b\u306a\u3089\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u51e6\u7406\u6642\u9593\u3084\u5e2f\u57df\u30fb\u8f3b\u8f33\u3092\u7591\u3046\u3001\u3068\u3044\u3063\u305f\u5207\u308a\u5206\u3051\u304c\u3067\u304d\u307e\u3059\u3002<\/p> <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; border:1px solid #d1d5db; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ffffff;\"> # \u63a5\u7d9a\u72b6\u614b\u306e\u5f53\u305f\u308a\u3092\u898b\u308b\uff08\u4f8b\uff09 ss -tanp | head -n 80 <\/pre> <hr> <h3>3) stdout\/stderr\u306e\u884c\u304d\u5148\u3092\u78ba\u8a8d\u3057\u3001\u5207\u65ad\u70b9\u3092\u72ed\u3081\u308b<\/h3> <p>\u30ed\u30b0\u51fa\u529b\u304c\u7d61\u3080EPIPE\u306f\u898b\u843d\u3068\u3055\u308c\u3084\u3059\u3044\u9818\u57df\u3067\u3059\u3002\u30a2\u30d7\u30ea\u306f\u6b63\u3057\u304f\u52d5\u3044\u3066\u3044\u308b\u306e\u306b\u3001\u51fa\u529b\u5148\u306e\u7d4c\u8def\u304c\u5909\u5316\u3057\u305f\u308a\u9014\u5207\u308c\u308b\u3053\u3068\u3067EPIPE\u304c\u51fa\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306bsystemd\u3084\u30b3\u30f3\u30c6\u30ca\u3067\u306f\u3001\u6a19\u6e96\u51fa\u529b\u306e\u5148\u304c\u591a\u6bb5\u306b\u306a\u308a\u3084\u3059\u3044\u306e\u3067\u3001\u3069\u3053\u3067\u201c\u53d7\u3051\u53e3\u304c\u6d88\u3048\u305f\u304b\u201d\u3092\u4e01\u5be7\u306b\u8ffd\u3044\u307e\u3059\u3002<\/p> <pre style=\"white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box; border:1px solid #d1d5db; border-radius:3px; padding:10px; margin:0 0 10px 0; background:#ffffff;\"> # journald\u306e\u72b6\u614b\u3068\u5bb9\u91cf\uff08\u4f8b\uff09 systemctl status systemd-journald --no-pager journalctl --disk-usage <\/pre> <p>\u3082\u3057\u300c\u5207\u65ad\u70b9\u304c\u3069\u3046\u3057\u3066\u3082\u66d6\u6627\u300d\u306a\u3089\u3001\u624b\u5f53\u3066\u3088\u308a\u5148\u306b\u89b3\u6e2c\u3092\u5897\u3084\u3059\u65b9\u304c\u5b89\u5168\u3067\u3059\u3002\u30a2\u30d7\u30ea\u306e\u30ed\u30b0\u306b\u30ea\u30af\u30a8\u30b9\u30c8ID\u3084\u51e6\u7406\u6642\u9593\u3092\u51fa\u3059\u3001\u30d7\u30ed\u30ad\u30b7\u5074\u306e\u30ed\u30b0\u3092\u7a81\u5408\u3059\u308b\u3001\u5207\u65ad\u304c\u8d77\u304d\u305f\u7d4c\u8def\u3060\u3051\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u5897\u3084\u3059\u3001\u3068\u3044\u3063\u305f\u201c\u5f71\u97ff\u3092\u5e83\u3052\u306b\u304f\u3044\u201d\u89b3\u6e2c\u5f37\u5316\u3067\u3001\u6b21\u306e\u5224\u65ad\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <p>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\u3068\u3057\u3066\u3001EPIPE\u306e\u53ce\u675f\u306f\u300c\u8ab0\u304c\u5148\u306b\u9589\u3058\u305f\u304b\u300d\u3092\u78ba\u5b9a\u3067\u304d\u308b\u304b\u3067\u6c7a\u307e\u308a\u307e\u3059\u3002\u6642\u523b\u30fb\u7d4c\u8def\u30fb\u76f8\u624b\u3092\u63c3\u3048\u3066\u5207\u65ad\u70b9\u3092\u78ba\u5b9a\u3057\u3001\u305d\u306e\u4e0a\u3067\u6700\u5c0f\u5909\u66f4\u306e\u5bfe\u7b56\u306b\u5165\u308b\u3068\u3001\u4e8c\u6b21\u7684\u306a\u30ce\u30a4\u30ba\u304c\u6e1b\u308a\u3001\u8aac\u660e\u8cac\u4efb\u3082\u679c\u305f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec06\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u3088\u304f\u3042\u308b\u767a\u751f\u30d1\u30bf\u30fc\u30f3\u5225\u306e\u8aad\u307f\u66ff\u3048\uff08CLI\/\u30b5\u30fc\u30d3\u30b9\/\u30b3\u30f3\u30c6\u30ca\uff09<\/h2> <p>EPIPE(32)\u3092\u898b\u305f\u3068\u304d\u3001\u73fe\u5834\u306e\u6df7\u4e71\u304c\u5897\u3048\u308b\u7406\u7531\u306f\u300c\u540c\u3058\u30a8\u30e9\u30fc\u540d\u3067\u8907\u6570\u306e\u4e16\u754c\u304c\u6df7\u3056\u308b\u300d\u304b\u3089\u3067\u3059\u3002CLI\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3001\u9577\u5bff\u547d\u30b5\u30fc\u30d3\u30b9\u3001\u30b3\u30f3\u30c6\u30ca\u904b\u7528\u3001\u30ed\u30b0\u53ce\u96c6\u57fa\u76e4\u3067\u306f\u3001\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u308b\u7406\u7531\u304c\u9055\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u4ee3\u8868\u30d1\u30bf\u30fc\u30f3\u3092\u201c\u8aad\u307f\u66ff\u3048\u201d\u3068\u3057\u3066\u6574\u7406\u3057\u3001\u6700\u5c0f\u5909\u66f4\u3067\u306e\u53ce\u675f\u306b\u5bc4\u305b\u307e\u3059\u3002<\/p> <table style=\"width:100%; border-collapse:collapse; max-width:100%; box-sizing:border-box;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u767a\u751f\u30d1\u30bf\u30fc\u30f3<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u898b\u3048\u65b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u6700\u5c0f\u5909\u66f4\u306e\u6253\u3061\u624b<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u6052\u4e45\u7b56\u306e\u65b9\u5411<\/th> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">CLI\uff1a\u4e0b\u6d41\u306e\u65e9\u671f\u7d42\u4e86<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">Broken pipe\u3001\u9014\u4e2d\u3067\u51fa\u529b\u304c\u6b62\u307e\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u5931\u6557\u7b87\u6240\u3092\u53ef\u8996\u5316\uff08pipefail\/PIPESTATUS\uff09\u3001\u51fa\u529b\u3092\u30d5\u30a1\u30a4\u30eb\u3078\u9003\u304c\u3059<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u7d42\u4e86\u6761\u4ef6\u306e\u6574\u7406\u3001\u60f3\u5b9a\u5916\u306e\u65e9\u671f\u7d42\u4e86\u3092\u6e1b\u3089\u3059<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30b5\u30fc\u30d3\u30b9\uff1a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5207\u65ad<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">write\u3067EPIPE\u3001\u8ca0\u8377\u6642\u306b\u5897\u3048\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u6642\u523b\u76f8\u95a2\u3067\u5207\u65ad\u5897\u52a0\u3092\u78ba\u8a8d\u3001\u63a5\u7d9a\u72b6\u614b\u3068\u5fdc\u7b54\u6642\u9593\u3092\u78ba\u8a8d<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u6574\u5408\u3001\u518d\u8a66\u884c\/\u30d0\u30c3\u30d5\u30a1\/\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u8a2d\u8a08\u306e\u898b\u76f4\u3057<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30ed\u30b0\u7d4c\u8def\uff1a\u53ce\u96c6\u5148\u306e\u9014\u5207\u308c<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30ed\u30b0\u6b20\u640d\u3001stdout\/stderr\u3067\u30a8\u30e9\u30fc<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">journald\/\u8ee2\u9001\u5148\u306e\u7a3c\u50cd\u3068\u5bb9\u91cf\u3001\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u76f4\u524d\u30a4\u30d9\u30f3\u30c8\u3092\u78ba\u8a8d<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30ed\u30b0\u7d4c\u8def\u306e\u5197\u9577\u5316\u30fb\u30d0\u30c3\u30d5\u30a1\u30fb\u843d\u3061\u65b9\u306e\u8a2d\u8a08<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30b3\u30f3\u30c6\u30ca\uff1a\u4e16\u4ee3\u4ea4\u4ee3\u30fb\u518d\u8d77\u52d5<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u66f4\u65b0\u3084\u518d\u8d77\u52d5\u3068\u540c\u6642\u306b\u51fa\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u76f4\u524d\u30a4\u30d9\u30f3\u30c8\u306e\u7a81\u5408\uff08\u518d\u8d77\u52d5\/\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\uff09\u3001\u524d\u4e16\u4ee3\u30ed\u30b0\u306e\u78ba\u4fdd<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u505c\u6b62\u624b\u9806\u30fbreadiness\u30fb\u30ed\u30b0\u53ce\u96c6\u306e\u6574\u5408\u3001\u7de9\u3084\u304b\u306a\u5207\u66ff<\/td> <\/tr> <\/table> <hr> <h3>CLI\u30d1\u30bf\u30fc\u30f3\uff1a\u60f3\u5b9a\u5185\u306e\u65e9\u671f\u7d42\u4e86\u3092\u201c\u969c\u5bb3\u201d\u306b\u3057\u306a\u3044<\/h3> <p>\u305f\u3068\u3048\u3070\u4e0b\u6d41\u304c\u5fc5\u8981\u306a\u884c\u6570\u3060\u3051\u53d6\u3063\u3066\u7d42\u4e86\u3059\u308b\u5834\u5408\u3001\u4e0a\u6d41\u304cEPIPE\/SIGPIPE\u3067\u7d42\u308f\u308b\u306e\u306f\u4ed5\u7d44\u307f\u3068\u3057\u3066\u81ea\u7136\u3067\u3059\u3002\u554f\u984c\u306f\u3001\u305d\u308c\u304c\u201c\u60f3\u5b9a\u5185\u201d\u306a\u306e\u306b\u30a8\u30e9\u30fc\u3068\u3057\u3066\u6271\u308f\u308c\u3066\u76e3\u8996\u306b\u8f09\u308a\u3001\u73fe\u5834\u306e\u6e29\u5ea6\u304c\u4e0a\u304c\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u306f\u3001\u5931\u6557\u4f4d\u7f6e\u3092\u78ba\u5b9a\u3057\u305f\u4e0a\u3067\u3001\u76e3\u8996\u30fb\u30ed\u30b0\u306e\u6271\u3044\u3092\u6574\u7406\u3057\u3001\u30ce\u30a4\u30ba\u30ab\u30c3\u30c8\u3057\u307e\u3059\u3002\u30a2\u30d7\u30ea\u4fee\u6b63\u3084\u6a29\u9650\u5909\u66f4\u3088\u308a\u5148\u306b\u3001\u4e8b\u5b9f\u95a2\u4fc2\u306e\u7dda\u5f15\u304d\u304c\u52b9\u304d\u307e\u3059\u3002<\/p> <h3>\u30b5\u30fc\u30d3\u30b9\u30d1\u30bf\u30fc\u30f3\uff1a\u5207\u65ad\u5897\u52a0\u304c\u300c\u9045\u5ef6\u306e\u7d50\u679c\u300d\u304b\u300c\u7d4c\u8def\u306e\u5909\u5316\u300d\u304b<\/h3> <p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5207\u65ad\u306f\u4e00\u5b9a\u6570\u8d77\u304d\u307e\u3059\u304c\u3001\u6025\u5897\u3059\u308b\u306a\u3089\u80cc\u666f\u304c\u3042\u308a\u307e\u3059\u3002\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u51e6\u7406\u6642\u9593\u304c\u4f38\u3073\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5f85\u3066\u306a\u304f\u306a\u3063\u305f\u306e\u304b\u3001LB\/\u30d7\u30ed\u30ad\u30b7\u306e\u8a2d\u5b9a\u53cd\u6620\u3067\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u5909\u308f\u3063\u305f\u306e\u304b\u3001NAT\u3084\u4e2d\u7d99\u306e\u6319\u52d5\u304c\u5909\u308f\u3063\u305f\u306e\u304b\u3002\u3044\u305a\u308c\u3082\u300c\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u3068\u3044\u3046\u4e8b\u5b9f\u306f\u540c\u3058\u3067\u3082\u3001\u6052\u4e45\u7b56\u304c\u9006\u65b9\u5411\u306b\u306a\u308a\u307e\u3059\u3002\u5148\u306b\u6642\u523b\u76f8\u95a2\u3092\u53d6\u308a\u3001\u5897\u52a0\u8981\u56e0\u3092\u4e00\u3064\u305a\u3064\u6f70\u3059\u3068\u3001\u53ce\u675f\u304c\u65e9\u307e\u308a\u307e\u3059\u3002<\/p> <h3>\u30b3\u30f3\u30c6\u30ca\u30d1\u30bf\u30fc\u30f3\uff1a\u66f4\u65b0\u30fb\u518d\u8d77\u52d5\u3068\u540c\u6642\u306a\u3089\u201c\u8a2d\u8a08\u306e\u7656\u201d\u3092\u7591\u3046<\/h3> <p>\u30b3\u30f3\u30c6\u30ca\u904b\u7528\u3067\u306f\u3001rolling update\u3084\u518d\u8d77\u52d5\u3067\u63a5\u7d9a\u3084\u30ed\u30b0\u7d4c\u8def\u304c\u5165\u308c\u66ff\u308f\u308a\u307e\u3059\u3002\u3053\u3053\u3067EPIPE\u304c\u51fa\u308b\u306a\u3089\u3001\u5207\u66ff\u306e\u77ac\u9593\u306b\u66f8\u304d\u8fbc\u307f\u5148\u304c\u6d88\u3048\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u539f\u56e0\u306e\u6df1\u8ffd\u3044\u3088\u308a\u5148\u306b\u3001\u5207\u66ff\u6642\u523b\u3068EPIPE\u306e\u4e00\u81f4\u3092\u78ba\u8a8d\u3057\u3001\u5f71\u97ff\u7bc4\u56f2\u3092\u8aac\u660e\u3067\u304d\u308b\u5f62\u306b\u3059\u308b\u3068\u3001\u95a2\u4fc2\u8005\u306e\u8b70\u8ad6\u304c\u30af\u30fc\u30eb\u30c0\u30a6\u30f3\u3057\u307e\u3059\u3002\u500b\u5225\u6848\u4ef6\u3067\u306f\u3001\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u3084\u672c\u756a\u30c7\u30fc\u30bf\u3001\u76e3\u67fb\u8981\u4ef6\u304c\u7d61\u3080\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001\u5909\u66f4\u3092\u6700\u5c0f\u9650\u306b\u4fdd\u3061\u306a\u304c\u3089\u89b3\u6e2c\u3092\u63c3\u3048\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p> <p>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\u3068\u3057\u3066\u3001EPIPE(32)\u306f\u201c\u4e16\u754c\u201d\u3092\u53d6\u308a\u9055\u3048\u308b\u3068\u5bfe\u7b56\u304c\u8ff7\u8d70\u3057\u307e\u3059\u3002CLI\/\u30b5\u30fc\u30d3\u30b9\/\u30b3\u30f3\u30c6\u30ca\/\u30ed\u30b0\u7d4c\u8def\u306e\u3069\u308c\u3067\u8d77\u304d\u3066\u3044\u308b\u304b\u3092\u8aad\u307f\u66ff\u3048\u3001\u6700\u5c0f\u5909\u66f4\u3067\u5207\u65ad\u70b9\u3092\u78ba\u5b9a\u3059\u308b\u6d41\u308c\u306b\u4e57\u305b\u308b\u3068\u3001\u6c88\u9759\u5316\u3068\u53ce\u675f\u306e\u30b9\u30d4\u30fc\u30c9\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec07\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u6700\u5c0f\u5909\u66f4\u3067\u5fa9\u65e7\u3078\u5bc4\u305b\u308b\u624b\u5f53\u3066\uff08\u518d\u8d77\u52d5\u3088\u308a\u524d\u306b\u898b\u308b\u70b9\uff09<\/h2> <p>EPIPE(32)\u306b\u76f4\u9762\u3057\u305f\u3068\u304d\u3001\u73fe\u5834\u304c\u4e00\u6c17\u306b\u5fd9\u3057\u304f\u306a\u308b\u306e\u306f\u300c\u52d5\u3044\u3066\u3044\u308b\u3082\u306e\u306b\u89e6\u308b\u3079\u304d\u304b\u300d\u304c\u5373\u6c7a\u3092\u8feb\u308b\u304b\u3089\u3067\u3059\u3002\u3053\u3053\u3067\u5927\u5207\u306a\u306e\u306f\u3001\u3044\u304d\u306a\u308a\u5927\u304d\u306a\u5909\u66f4\u3092\u5165\u308c\u305a\u306b\u3001\u307e\u305a\u72b6\u6cc1\u306e\u6e29\u5ea6\u3092\u4e0b\u3052\u3066\u201c\u53ce\u675f\u306e\u5f62\u201d\u3092\u4f5c\u308b\u3053\u3068\u3067\u3059\u3002\u5fa9\u65e7\u306e\u6700\u77ed\u8ddd\u96e2\u306f\u3001\u6d3e\u624b\u306a\u4fee\u6b63\u3067\u306f\u306a\u304f\u3001\u5207\u65ad\u70b9\u3092\u78ba\u5b9a\u3057\u3001\u5f71\u97ff\u7bc4\u56f2\u3092\u5897\u3084\u3055\u306a\u3044\u624b\u5f53\u3066\u3092\u7a4d\u307f\u91cd\u306d\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002<\/p> <h3>1) \u307e\u305a\u306f\u300c\u7d4c\u8def\u300d\u3068\u300c\u983b\u5ea6\u300d\u3092\u56fa\u5b9a\u3057\u3001\u8b70\u8ad6\u306e\u6b6f\u6b62\u3081\u306b\u3059\u308b<\/h3> <p>EPIPE\u304c\u51fa\u3066\u3044\u308b\u6642\u70b9\u3067\u300c\u66f8\u304d\u8fbc\u307f\u5148\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u3053\u3068\u306f\u78ba\u304b\u3067\u3059\u3002\u305d\u3053\u3067\u6700\u521d\u306b\u3084\u308b\u3079\u304d\u306f\u3001\u7d4c\u8def\uff08\u30d1\u30a4\u30d7\/\u30bd\u30b1\u30c3\u30c8\/stdout\uff09\u3092\u4e00\u3064\u306b\u7279\u5b9a\u3057\u3001\u767a\u751f\u983b\u5ea6\uff08\u6bce\u56de\/\u8ca0\u8377\u6642\u306e\u307f\/\u66f4\u65b0\u6642\u306e\u307f\uff09\u3092\u62bc\u3055\u3048\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3060\u3051\u3067\u3001\u5bfe\u7b56\u304c\u30a2\u30d7\u30ea\u4fee\u6b63\u306a\u306e\u304b\u3001\u5468\u8fba\u8a2d\u5b9a\u306a\u306e\u304b\u3001\u89b3\u6e2c\u306e\u4e0d\u8db3\u306a\u306e\u304b\u3092\u5206\u3051\u3084\u3059\u304f\u306a\u308a\u3001\u30c1\u30fc\u30e0\u5185\u306e\u7a7a\u6c17\u304c\u843d\u3061\u7740\u304d\u307e\u3059\u3002<\/p> <p>\u305f\u3068\u3048\u3070\u30b5\u30fc\u30d3\u30b9\u7cfb\u306a\u3089\u300c\u540c\u6642\u523b\u306b\u5fdc\u7b54\u6642\u9593\u304c\u4f38\u3073\u3066\u3044\u306a\u3044\u304b\u300d\u300c\u7279\u5b9a\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u504f\u3063\u3066\u3044\u306a\u3044\u304b\u300d\u300c\u66f4\u65b0\u30a4\u30d9\u30f3\u30c8\u3068\u4e00\u81f4\u3057\u3066\u3044\u306a\u3044\u304b\u300d\u3092\u78ba\u8a8d\u3057\u3001CLI\u7cfb\u306a\u3089\u300c\u3069\u306e\u6bb5\u3067\u9014\u5207\u308c\u308b\u304b\u300d\u300c\u4e0b\u6d41\u304c\u65e9\u671f\u7d42\u4e86\u3057\u3066\u3044\u306a\u3044\u304b\u300d\u3092\u78ba\u5b9a\u3057\u307e\u3059\u3002\u6700\u5c0f\u5909\u66f4\u306e\u8003\u3048\u65b9\u306f\u3001\u624b\u3092\u5165\u308c\u308b\u524d\u306b\u201c\u8ad6\u70b9\u3092\u72ed\u3081\u308b\u201d\u3053\u3068\u3067\u3059\u3002<\/p> <hr> <h3>2) \u53ce\u675f\u306e\u305f\u3081\u306e\u5b89\u5168\u306a\u624b\u5f53\u3066\u306f\u300c\u4e00\u6642\u56de\u907f\u300d\u3068\u300c\u89b3\u6e2c\u5f37\u5316\u300d\u3092\u5206\u3051\u308b<\/h3> <p>EPIPE\u306e\u5834\u9762\u3067\u3088\u304f\u3042\u308b\u5931\u901f\u306f\u3001\u56de\u907f\u7b56\u3068\u6052\u4e45\u7b56\u3092\u6df7\u305c\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3059\u3002\u53ce\u675f\u304c\u76ee\u7684\u306a\u3089\u3001\u307e\u305a\u306f\u201c\u4eca\u306e\u5f71\u97ff\u201d\u3092\u6291\u3048\u8fbc\u307f\u3001\u6b21\u306b\u201c\u518d\u767a\u306e\u7406\u7531\u201d\u3092\u78ba\u5b9a\u3059\u308b\u9806\u756a\u304c\u5b89\u5168\u3067\u3059\u3002\u524d\u8005\u306f\u4e00\u6642\u56de\u907f\u3001\u5f8c\u8005\u306f\u89b3\u6e2c\u5f37\u5316\u3067\u3059\u3002\u6df7\u305c\u306a\u3044\u3053\u3068\u3067\u3001\u5909\u66f4\u306e\u5f71\u97ff\u7bc4\u56f2\u3092\u8aac\u660e\u3057\u3084\u3059\u304f\u306a\u308a\u3001\u76e3\u67fb\u3084\u30ec\u30d3\u30e5\u30fc\u3067\u3082\u901a\u308a\u304c\u826f\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <table style=\"width:100%; border-collapse:collapse; max-width:100%; box-sizing:border-box;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u76ee\u7684<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u5177\u4f53\u4f8b<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u6ce8\u610f\u70b9<\/th> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u4e00\u6642\u56de\u907f\uff08\u88ab\u5bb3\u6700\u5c0f\u5316\uff09<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u8ca0\u8377\u304c\u9ad8\u3044\u7d4c\u8def\u3060\u3051\u6d41\u91cf\u3092\u843d\u3068\u3059\uff0f\u518d\u8a66\u884c\u3092\u201c\u66b4\u308c\u306a\u3044\u201d\u5f62\u306b\u3059\u308b\uff0f\u5207\u65ad\u304c\u8d77\u304d\u3066\u3082\u51e6\u7406\u5168\u4f53\u304c\u5dfb\u304d\u8fbc\u307e\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u5168\u4f53\u8a2d\u5b9a\u3092\u4e00\u6c17\u306b\u5909\u3048\u306a\u3044\u3002\u5f71\u97ff\u304c\u8aad\u3081\u306a\u3044\u5909\u66f4\u306f\u907f\u3051\u3001\u5dee\u5206\u304c\u8aac\u660e\u3067\u304d\u308b\u7bc4\u56f2\u306b\u7559\u3081\u308b<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u89b3\u6e2c\u5f37\u5316\uff08\u30ce\u30a4\u30ba\u30ab\u30c3\u30c8\uff09<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u6642\u523b\u3068\u76f8\u95a2\u304c\u53d6\u308c\u308b\u30ed\u30b0\u6574\u5099\uff0f\u51e6\u7406\u6642\u9593\u30fb\u5931\u6557\u7387\u306e\u53ef\u8996\u5316\uff0f\u5207\u65ad\u70b9\u306e\u7279\u5b9a\u306b\u5fc5\u8981\u306a\u30e1\u30bf\u60c5\u5831\u3092\u8ffd\u52a0<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30ed\u30b0\u3092\u5897\u3084\u3057\u3059\u304e\u3066\u9006\u306b\u8ffd\u3048\u306a\u304f\u306a\u3089\u306a\u3044\u3088\u3046\u3001\u307e\u305a\u306f\u8a72\u5f53\u7d4c\u8def\u3060\u3051\u306b\u7d5e\u308b<\/td> <\/tr> <\/table> <hr> <h3>3) \u518d\u8d77\u52d5\u306e\u524d\u306b\u898b\u305f\u3044\u300c\u843d\u3061\u305f\u7406\u7531\u300d\u3068\u300c\u76f8\u624b\u304c\u9589\u3058\u305f\u7406\u7531\u300d<\/h3> <p>\u518d\u8d77\u52d5\u306f\u6709\u52b9\u306a\u624b\u6bb5\u3067\u3059\u304c\u3001\u5207\u65ad\u70b9\u304c\u4e0d\u660e\u306a\u307e\u307e\u7e70\u308a\u8fd4\u3059\u3068\u3001\u539f\u56e0\u304c\u201c\u5206\u304b\u3089\u306a\u3044\u307e\u307e\u6d88\u3048\u308b\u201d\u72b6\u614b\u306b\u306a\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u307e\u305a\u306f\u843d\u3061\u305f\u7406\u7531\uff08\u3082\u3057\u843d\u3061\u305f\u306a\u3089\uff09\u3068\u3001\u76f8\u624b\u304c\u9589\u3058\u305f\u7406\u7531\uff08\u76f8\u624b\u304c\u3044\u308b\u306a\u3089\uff09\u3092\u898b\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u4e0b\u6d41\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u305f\u306e\u304b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u305f\u306e\u304b\u3001\u30ed\u30b0\u53ce\u96c6\u5148\u304c\u8a70\u307e\u3063\u305f\u306e\u304b\u3067\u3001\u624b\u5f53\u3066\u306f\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <p>\u3053\u306e\u6bb5\u968e\u3067\u306e\u5b9f\u52d9\u7684\u306a\u30b3\u30c4\u306f\u300c\u6642\u523b\u300d\u3068\u300c\u524d\u5f8c\u95a2\u4fc2\u300d\u3092\u63c3\u3048\u3001\u540c\u3058\u7c92\u5ea6\u3067\u4e26\u3079\u308b\u3053\u3068\u3067\u3059\u3002systemd\u74b0\u5883\u3067\u3042\u308c\u3070\u3001\u8a72\u5f53\u30e6\u30cb\u30c3\u30c8\u306e\u30ed\u30b0\u3001\u518d\u8d77\u52d5\u56de\u6570\u3001\u76f4\u524d\u306e\u30a8\u30e9\u30fc\u5146\u5019\u3092\u307e\u3068\u3081\u3001\u5468\u8fba\uff08LB\/\u76e3\u8996\/\u53ce\u96c6\uff09\u306e\u30a4\u30d9\u30f3\u30c8\u3068\u7a81\u5408\u3057\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u904b\u7528\u306a\u3089\u3001\u66f4\u65b0\u30fb\u518d\u8d77\u52d5\u30fb\u30b9\u30b1\u30fc\u30eb\u306e\u6642\u523b\u3068\u4e00\u81f4\u3059\u308b\u304b\u3092\u898b\u3066\u3001\u7d4c\u8def\u306e\u4e16\u4ee3\u4ea4\u4ee3\u3092\u7591\u3044\u307e\u3059\u3002<\/p> <p>\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30b3\u30f3\u30c6\u30ca\u3001\u672c\u756a\u30c7\u30fc\u30bf\u3001\u76e3\u67fb\u8981\u4ef6\u304c\u7d61\u3080\u5834\u5408\u306f\u3001\u6a29\u9650\u3084\u8a2d\u5b9a\u3092\u5e83\u304f\u89e6\u308b\u3068\u8aac\u660e\u30b3\u30b9\u30c8\u304c\u6025\u5897\u3057\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u6761\u4ef6\u304c\u91cd\u306a\u308b\u3068\u304d\u306f\u3001\u6700\u5c0f\u5909\u66f4\u3067\u5207\u65ad\u70b9\u3092\u8a70\u3081\u308b\u304b\u3001\u65e9\u3044\u6bb5\u968e\u3067<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u306b\u72b6\u6cc1\u6574\u7406\u304b\u3089\u76f8\u8ac7\u3057\u305f\u65b9\u304c\u3001\u8edf\u7740\u9678\u3057\u3084\u3059\u3044\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\u3068\u3057\u3066\u3001EPIPE\u306e\u5c40\u9762\u3067\u306f\u300c\u76f4\u3059\u300d\u3088\u308a\u5148\u306b\u300c\u53ce\u675f\u306e\u5f62\u3092\u4f5c\u308b\u300d\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7d4c\u8def\u3068\u983b\u5ea6\u3092\u56fa\u5b9a\u3057\u3001\u4e00\u6642\u56de\u907f\u3068\u89b3\u6e2c\u5f37\u5316\u3092\u5206\u3051\u3001\u518d\u8d77\u52d5\u306e\u524d\u306b\u5207\u65ad\u70b9\u3078\u5bc4\u305b\u308b\u3002\u3053\u308c\u304c\u7d50\u679c\u7684\u306b\u6700\u77ed\u3067\u843d\u3061\u7740\u304b\u305b\u308b\u9053\u306b\u306a\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec08\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u518d\u767a\u9632\u6b62\u306f\u201c\u6d41\u91cf\u201d\u3068\u201c\u7d42\u4e86\u6761\u4ef6\u201d\u306e\u8a2d\u8a08\u3067\u6c7a\u307e\u308b<\/h2> <p>EPIPE(32)\u304c\u4e00\u5ea6\u51fa\u308b\u3060\u3051\u306a\u3089\u3001\u5358\u767a\u306e\u5207\u65ad\u3068\u3057\u3066\u6271\u3048\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u554f\u984c\u306f\u3001\u7e70\u308a\u8fd4\u3057\u51fa\u3066\u73fe\u5834\u304c\u75b2\u5f0a\u3059\u308b\u30b1\u30fc\u30b9\u3067\u3059\u3002\u518d\u767a\u306e\u80cc\u666f\u306b\u306f\u300c\u6d41\u91cf\uff08\u8ca0\u8377\u30fb\u51fa\u529b\u30fb\u9001\u4fe1\uff09\u300d\u3068\u300c\u7d42\u4e86\u6761\u4ef6\uff08\u3069\u306e\u6642\u70b9\u3067\u76f8\u624b\u304c\u9589\u3058\u308b\u304b\uff09\u300d\u306e\u8a2d\u8a08\u4e0d\u6574\u5408\u304c\u3042\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u3053\u3053\u3092\u6574\u3048\u308b\u3068\u9577\u671f\u7684\u306b\u9759\u304b\u306b\u306a\u308a\u307e\u3059\u3002\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u518d\u767a\u9632\u6b62\u306f\u201c\u539f\u56e0\u63a2\u3057\u201d\u3068\u3044\u3046\u3088\u308a\u201c\u3064\u306a\u304c\u308a\u65b9\u306e\u8a2d\u8a08\u201d\u3067\u3059\u3002<\/p> <h3>1) \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306f\u300c\u4e0b\u6d41\u304c\u5148\u306b\u7d42\u308f\u308b\u300d\u524d\u63d0\u3067\u8a2d\u8a08\u3059\u308b<\/h3> <p>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u4e0b\u6d41\u306f\u3001\u5fc5\u8981\u306a\u5206\u3060\u3051\u8aad\u3093\u3067\u7d42\u4e86\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u81ea\u4f53\u306f\u6b63\u5e38\u52d5\u4f5c\u3067\u3042\u308a\u3001\u4e0a\u6d41\u304c\u66f8\u304d\u7d9a\u3051\u3088\u3046\u3068\u3059\u308b\u3068EPIPE\/SIGPIPE\u304c\u8d77\u304d\u307e\u3059\u3002\u518d\u767a\u3092\u6e1b\u3089\u3059\u306b\u306f\u3001\u4e0b\u6d41\u306e\u7d42\u4e86\u6761\u4ef6\u3092\u524d\u63d0\u306b\u300c\u4e0a\u6d41\u304c\u3069\u3046\u632f\u308b\u821e\u3046\u3079\u304d\u304b\u300d\u3092\u6c7a\u3081\u308b\u3053\u3068\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u76e3\u8996\u4e0a\u306f\u201c\u7570\u5e38\u201d\u3068\u201c\u60f3\u5b9a\u5185\u201d\u3092\u5206\u3051\u3001\u60f3\u5b9a\u5185\u306e\u30b1\u30fc\u30b9\u304c\u30a2\u30e9\u30fc\u30c8\u5316\u3057\u306a\u3044\u3088\u3046\u6574\u7406\u3059\u308b\u3068\u3001\u30ce\u30a4\u30ba\u304c\u6e1b\u3063\u3066\u73fe\u5834\u304c\u30af\u30fc\u30eb\u30c0\u30a6\u30f3\u3057\u307e\u3059\u3002<\/p> <hr> <h3>2) \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u300c\u5207\u65ad\u306f\u8d77\u304d\u308b\u300d\u3092\u524d\u63d0\u306b\u3001\u66b4\u308c\u306a\u3044\u518d\u8a66\u884c\u3092\u4f5c\u308b<\/h3> <p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5207\u65ad\u3084\u4e2d\u7d99\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306f\u3001\u30bc\u30ed\u306b\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u518d\u767a\u9632\u6b62\u306e\u89b3\u70b9\u3067\u91cd\u8981\u306a\u306e\u306f\u3001\u5207\u65ad\u304c\u8d77\u304d\u305f\u3068\u304d\u306b\u201c\u5f71\u97ff\u304c\u62e1\u5927\u3057\u306a\u3044\u201d\u3053\u3068\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u518d\u8a66\u884c\u304c\u540c\u6642\u591a\u767a\u3057\u3066\u8ca0\u8377\u3092\u62bc\u3057\u4e0a\u3052\u306a\u3044\u3053\u3068\u3001\u91cd\u8907\u5b9f\u884c\u3067\u30c7\u30fc\u30bf\u6574\u5408\u6027\u3092\u58ca\u3055\u306a\u3044\u3053\u3068\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u6574\u5408\u304c\u53d6\u308c\u3066\u3044\u3066\u5f85\u305f\u305b\u904e\u304e\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/p> <p>\u3053\u3053\u3067\u306f\u3001\u8a2d\u8a08\u306e\u5bfe\u5fdc\u95a2\u4fc2\u3092\u8868\u306b\u3057\u3066\u304a\u304f\u3068\u3001\u95a2\u4fc2\u8005\u9593\u3067\u5408\u610f\u304c\u53d6\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u6280\u8853\u9078\u5b9a\u3084\u5951\u7d04\u6761\u4ef6\uff08SLA\uff09\u306b\u3082\u5f71\u97ff\u3059\u308b\u305f\u3081\u3001\u4e00\u822c\u8ad6\u3067\u62bc\u3057\u5207\u3089\u305a\u3001\u73fe\u5834\u306e\u524d\u63d0\uff08\u6b62\u3081\u3089\u308c\u306a\u3044\u3001\u76e3\u67fb\u304c\u3042\u308b\u3001\u79fb\u884c\u30b3\u30b9\u30c8\u304c\u91cd\u3044\uff09\u306b\u5408\u308f\u305b\u3066\u6b6f\u6b62\u3081\u3092\u8a2d\u8a08\u3057\u307e\u3059\u3002<\/p> <table style=\"width:100%; border-collapse:collapse; max-width:100%; box-sizing:border-box;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u8ad6\u70b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u518d\u767a\u3057\u3084\u3059\u3044\u72b6\u614b<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u6574\u3048\u308b\u65b9\u5411<\/th> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u6574\u5408<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3088\u308a\u77ed\u3044\/\u9577\u3044\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u6df7\u5728\u3057\u3001\u5207\u65ad\u304c\u5897\u3048\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u5165\u53e3\uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/LB\uff09\u2192\u30a2\u30d7\u30ea\u2192\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3067\u3001\u9806\u5e8f\u7acb\u3066\u3066\u6574\u5408\u3092\u53d6\u308b<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u518d\u8a66\u884c\u306e\u632f\u308b\u821e\u3044<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u4e00\u6589\u518d\u8a66\u884c\u3067\u8ca0\u8377\u5897\u3001\u7d50\u679c\u3068\u3057\u3066\u5207\u65ad\u304c\u3055\u3089\u306b\u5897\u3048\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u9593\u9694\u3092\u305a\u3089\u3057\u3001\u4e0a\u9650\u3092\u8a2d\u3051\u3001\u5931\u6557\u304c\u5897\u3048\u308b\u307b\u3069\u843d\u3061\u7740\u304f\u5f62\u306b\u3059\u308b<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30c7\u30fc\u30bf\u6574\u5408\u6027<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u9014\u4e2d\u5207\u65ad\u3067\u91cd\u8907\u66f8\u304d\u8fbc\u307f\u3084\u6b20\u640d\u304c\u8d77\u304d\u3001\u5fa9\u65e7\u30b3\u30b9\u30c8\u304c\u5897\u3048\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u51aa\u7b49\u6027\u3084\u91cd\u8907\u6392\u9664\u306e\u524d\u63d0\u3092\u7f6e\u304d\u3001\u500b\u5225\u6848\u4ef6\u3067\u8a2d\u8a08\u5224\u65ad\u3092\u660e\u6587\u5316\u3059\u308b<\/td> <\/tr> <\/table> <hr> <h3>3) \u30ed\u30b0\u7d4c\u8def\u306f\u300c\u8a70\u307e\u308b\u30fb\u9014\u5207\u308c\u308b\u300d\u3092\u524d\u63d0\u306b\u9003\u3052\u9053\u3092\u7528\u610f\u3059\u308b<\/h3> <p>\u30ed\u30b0\u306f\u8a3a\u65ad\u306e\u751f\u547d\u7dda\u3067\u3059\u304c\u3001\u30ed\u30b0\u7d4c\u8def\u304c\u5358\u4e00\u3067\u8a70\u307e\u308b\u3068\u3001EPIPE\u306e\u3088\u3046\u306a\u201c\u51fa\u529b\u5148\u304c\u6d88\u3048\u305f\u201d\u73fe\u8c61\u304c\u9023\u9396\u3057\u3001\u539f\u56e0\u8ffd\u8de1\u304c\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u518d\u767a\u9632\u6b62\u306e\u57fa\u672c\u306f\u3001\u30ed\u30b0\u7d4c\u8def\u306e\u5bff\u547d\u3068\u5bb9\u91cf\u3092\u898b\u3048\u308b\u5316\u3057\u3001\u8a70\u307e\u3063\u3066\u3082\u30a2\u30d7\u30ea\u672c\u4f53\u306e\u6a5f\u80fd\u306b\u5f71\u97ff\u3057\u306a\u3044\u3088\u3046\u9003\u3052\u9053\u3092\u4f5c\u308b\u3053\u3068\u3067\u3059\u3002\u904e\u5270\u306b\u5897\u3084\u3059\u3088\u308a\u3001\u5fc5\u8981\u306a\u7d4c\u8def\u3060\u3051\u78ba\u5b9f\u306b\u6b8b\u3059\u65b9\u304c\u3001\u7d50\u679c\u7684\u306b\u30ce\u30a4\u30ba\u304c\u6e1b\u3063\u3066\u8abf\u67fb\u304c\u697d\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <h3>4) \u30b3\u30f3\u30c6\u30ca\u904b\u7528\u306f\u300c\u4e16\u4ee3\u4ea4\u4ee3\u300d\u3092\u524d\u63d0\u306b\u3001\u7a4f\u3084\u304b\u306a\u5207\u66ff\u3092\u4f5c\u308b<\/h3> <p>\u66f4\u65b0\u3084\u518d\u8d77\u52d5\u304c\u591a\u3044\u74b0\u5883\u3067\u306f\u3001\u201c\u66f8\u304d\u8fbc\u307f\u5148\u201d\u304c\u540c\u3058\u306b\u898b\u3048\u3066\u3082\u3001\u4e16\u4ee3\u304c\u5909\u308f\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u518d\u767a\u9632\u6b62\u3068\u3057\u3066\u306f\u3001\u5207\u66ff\u6642\u306b\u66f8\u304d\u8fbc\u307f\u304c\u884c\u304d\u5834\u3092\u5931\u308f\u306a\u3044\u8a2d\u8a08\u3001\u66f4\u65b0\u4e2d\u3082\u89b3\u6e2c\u304c\u5207\u308c\u306a\u3044\u8a2d\u8a08\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u3053\u306f\u4e00\u822c\u8ad6\u3060\u3051\u3067\u306f\u6c7a\u3081\u3089\u308c\u305a\u3001\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u3001\u76e3\u67fb\u8981\u4ef6\u3001\u672c\u756a\u30c7\u30fc\u30bf\u306e\u6271\u3044\u3001\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u6709\u7121\u306a\u3069\u3067\u6700\u9069\u89e3\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <p>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\u3068\u3057\u3066\u3001EPIPE\u306e\u518d\u767a\u306f\u300c\u6d41\u91cf\u300d\u3068\u300c\u7d42\u4e86\u6761\u4ef6\u300d\u306e\u8a2d\u8a08\u30ba\u30ec\u304b\u3089\u751f\u307e\u308c\u3084\u3059\u3044\u3067\u3059\u3002\u4e0b\u6d41\u306e\u65e9\u671f\u7d42\u4e86\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5207\u65ad\u3001\u30ed\u30b0\u7d4c\u8def\u306e\u5bff\u547d\u3001\u4e16\u4ee3\u4ea4\u4ee3\u3092\u524d\u63d0\u306b\u3001\u66b4\u308c\u306a\u3044\u30fb\u58ca\u3055\u306a\u3044\u65b9\u5411\u3078\u8a2d\u8a08\u3092\u5bc4\u305b\u308b\u3068\u3001\u73fe\u5834\u306e\u8ca0\u62c5\u304c\u7d99\u7d9a\u7684\u306b\u8efd\u304f\u306a\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec09\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u4e00\u822c\u8ad6\u306e\u9650\u754c\u3068\u3001\u500b\u5225\u6848\u4ef6\u3067\u5224\u65ad\u304c\u5272\u308c\u308b\u30dd\u30a4\u30f3\u30c8<\/h2> <p>EPIPE(32)\u306f\u300c\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u3068\u3044\u3046\u4e8b\u5b9f\u3092\u793a\u3059\u3060\u3051\u3067\u3001\u6b63\u89e3\u304c\u4e00\u3064\u306b\u53ce\u675f\u3057\u306b\u304f\u3044\u6027\u8cea\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u307e\u3067\u3067\u3001\u5207\u65ad\u70b9\u306e\u7279\u5b9a\u3001\u6700\u5c0f\u5909\u66f4\u3067\u306e\u624b\u5f53\u3066\u3001\u518d\u767a\u9632\u6b62\u306e\u8a2d\u8a08\u8ad6\u70b9\u3092\u6574\u7406\u3057\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u5b9f\u52d9\u3067\u306f\u201c\u540c\u3058EPIPE\u201d\u3067\u3082\u5224\u65ad\u304c\u5272\u308c\u308b\u5834\u9762\u304c\u5fc5\u305a\u51fa\u307e\u3059\u3002\u305d\u3053\u304c\u4e00\u822c\u8ad6\u306e\u9650\u754c\u3067\u3042\u308a\u3001\u73fe\u5834\u304c\u82e6\u3057\u304f\u306a\u308b\u30dd\u30a4\u30f3\u30c8\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u5224\u65ad\u304c\u5272\u308c\u308b\u7406\u7531\u306f\u3001\u6280\u8853\u305d\u306e\u3082\u306e\u3088\u308a\u3082\u300c\u6b62\u3081\u3089\u308c\u306a\u3044\u30ec\u30ac\u30b7\u30fc\u300d\u300c\u76e3\u67fb\u8981\u4ef6\u300d\u300c\u30c7\u30fc\u30bf\u306e\u91cd\u8981\u5ea6\u300d\u300c\u95a2\u4fc2\u8005\u306e\u591a\u3055\u300d\u300c\u79fb\u884c\u30b3\u30b9\u30c8\u300d\u3068\u3044\u3063\u305f\u6761\u4ef6\u304c\u7d61\u307f\u3001\u6700\u9069\u89e3\u304c\u30b7\u30b9\u30c6\u30e0\u56fa\u6709\u306b\u306a\u308b\u304b\u3089\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u500b\u5225\u6848\u4ef6\u3067\u610f\u601d\u6c7a\u5b9a\u304c\u5fc5\u8981\u306b\u306a\u308b\u4ee3\u8868\u8ad6\u70b9\u3092\u4e26\u3079\u3001\u8aac\u660e\u3068\u5408\u610f\u5f62\u6210\u304c\u3057\u3084\u3059\u3044\u5f62\u306b\u843d\u3068\u3057\u307e\u3059\u3002<\/p> <table style=\"width:100%; border-collapse:collapse; max-width:100%; box-sizing:border-box;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u8ad6\u70b9\uff08\u5224\u65ad\u304c\u5272\u308c\u308b\uff09<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u4e00\u822c\u8ad6\u3067\u306e\u65b9\u5411<\/th> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u500b\u5225\u6848\u4ef6\u3067\u306e\u5206\u5c90\u6761\u4ef6<\/th> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u5ef6\u3070\u3059\/\u77ed\u304f\u3059\u308b<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u6574\u5408\u3092\u53d6\u308a\u3001\u5207\u65ad\u304c\u5897\u3048\u306a\u3044\u7bc4\u56f2\u3067\u6700\u9069\u5316<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u9045\u5ef6\u306e\u539f\u56e0\u3001SLA\u3001\u30d4\u30fc\u30af\u6642\u306e\u540c\u6642\u63a5\u7d9a\u3001\u76e3\u8996\u30fb\u904b\u7528\u4f53\u5236<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u518d\u8a66\u884c\u3092\u5897\u3084\u3059\/\u6291\u3048\u308b<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u66b4\u308c\u306a\u3044\u518d\u8a66\u884c\u306b\u5bc4\u305b\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u51aa\u7b49\u6027\u306e\u6709\u7121\u3001\u91cd\u8907\u5b9f\u884c\u306e\u30b3\u30b9\u30c8\u3001\u4e0b\u6d41\u306e\u8010\u6027\u3001\u30c7\u30fc\u30bf\u6574\u5408\u6027\u8981\u4ef6<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30ed\u30b0\u3092\u5897\u3084\u3059\/\u7d5e\u308b<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u5207\u65ad\u70b9\u304c\u8ffd\u3048\u308b\u6700\u5c0f\u9650\u306b\u7d5e\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u4fdd\u7ba1\u671f\u9593\u3001\u500b\u4eba\u60c5\u5831\u30fb\u6a5f\u5bc6\u6027\u3001\u76e3\u67fb\u8a3c\u8de1\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u3001\u8ee2\u9001\u7d4c\u8def<\/td> <\/tr> <tr> <th style=\"background-color:#eeeeee; border:1px solid #d1d5db; padding:8px; text-align:left;\">\u30b3\u30f3\u30c6\u30ca\u306e\u30ed\u30fc\u30ea\u30f3\u30b0\u66f4\u65b0\u65b9\u5f0f<\/th> <td style=\"border:1px solid #d1d5db; padding:8px;\">\u7a4f\u3084\u304b\u306a\u5207\u66ff\u3067\u4e16\u4ee3\u4ea4\u4ee3\u306e\u5f71\u97ff\u3092\u6291\u3048\u308b<\/td> <td style=\"border:1px solid #d1d5db; padding:8px;\">readiness\/\u7d42\u4e86\u51e6\u7406\u3001\u63a5\u7d9a\u4fdd\u6301\u3001\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u76e3\u67fb\u30fb\u904b\u7528\u624b\u9806<\/td> <\/tr> <\/table> <hr> <h3>\u201c\u76f4\u3059\u201d\u306e\u524d\u306b\u300c\u3069\u3053\u307e\u3067\u304c\u4e8b\u6545\u3067\u3001\u3069\u3053\u304b\u3089\u304c\u8a2d\u8a08\u300d\u304b\u3092\u6c7a\u3081\u308b<\/h3> <p>EPIPE\u304c\u767a\u751f\u3057\u305f\u77ac\u9593\u3001\u73fe\u5834\u3067\u306f\u201c\u969c\u5bb3\u201d\u3068\u3057\u3066\u6271\u308f\u308c\u304c\u3061\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f\u300c\u60f3\u5b9a\u5185\u306e\u5207\u65ad\u300d\u3082\u6df7\u3058\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4e0b\u6d41\u304c\u5fc5\u8981\u5206\u3060\u3051\u8aad\u3093\u3067\u7d42\u4e86\u3059\u308b\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3084\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u753b\u9762\u9077\u79fb\u306b\u3088\u308b\u5207\u65ad\u306a\u3069\u306f\u3001\u4e00\u5b9a\u7a0b\u5ea6\u306f\u907f\u3051\u3089\u308c\u307e\u305b\u3093\u3002\u554f\u984c\u306f\u300c\u60f3\u5b9a\u5185\u300d\u3068\u300c\u60f3\u5b9a\u5916\u300d\u304c\u540c\u3058\u7bb1\u306b\u5165\u308a\u3001\u76e3\u8996\u30fb\u5831\u544a\u30fb\u5bfe\u7b56\u306e\u512a\u5148\u9806\u4f4d\u304c\u5d29\u308c\u308b\u3053\u3068\u3067\u3059\u3002<\/p> <p>\u3053\u306e\u7dda\u5f15\u304d\u3092\u3059\u308b\u306b\u306f\u3001\u5207\u65ad\u304c\u8d77\u304d\u305f\u6642\u523b\u306b\u300c\u4f55\u304c\u5909\u308f\u3063\u305f\u304b\u300d\u3092\u63c3\u3048\u3001\u983b\u5ea6\u3068\u5f71\u97ff\u3067\u5206\u985e\u3057\u307e\u3059\u3002\u5358\u767a\u3067\u5f71\u97ff\u304c\u306a\u3044\u306a\u3089\u30ce\u30a4\u30ba\u30ab\u30c3\u30c8\u3092\u512a\u5148\u3057\u3001\u983b\u767a\u3057\u3066\u5f71\u97ff\u304c\u3042\u308b\u306a\u3089\u5207\u65ad\u70b9\u306e\u539f\u56e0\u3078\u8e0f\u307f\u8fbc\u307f\u307e\u3059\u3002\u3053\u3053\u3067\u306e\u5224\u65ad\u306f\u3001\u5358\u306b\u6280\u8853\u7684\u306a\u6b63\u3057\u3055\u3067\u306f\u306a\u304f\u3001\u904b\u7528\u3068\u8aac\u660e\u8cac\u4efb\u3092\u542b\u3093\u3060\u610f\u601d\u6c7a\u5b9a\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u672c\u756a\u30c7\u30fc\u30bf\u30fb\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u30fb\u76e3\u67fb\u8981\u4ef6\u304c\u7d61\u3080\u3068\u3001\u5224\u65ad\u306e\u91cd\u307f\u304c\u5909\u308f\u308b<\/h3> <p>\u540c\u3058EPIPE\u3067\u3082\u3001\u30c7\u30fc\u30bf\u306e\u6240\u5728\u3068\u53d6\u308a\u6271\u3044\u3067\u201c\u3084\u3063\u3066\u826f\u3044\u5909\u66f4\u201d\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u672c\u756a\u30c7\u30fc\u30bf\u304c\u7d61\u3080\u5834\u5408\u306f\u3001\u4e8c\u91cd\u5b9f\u884c\u3084\u90e8\u5206\u5931\u6557\u304c\u81f4\u547d\u50b7\u306b\u306a\u308a\u3084\u3059\u304f\u3001\u518d\u8a66\u884c\u8a2d\u8a08\u3092\u5358\u7d14\u306b\u5897\u3084\u305b\u307e\u305b\u3093\u3002\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u7d61\u3080\u5834\u5408\u306f\u3001\u5358\u4f53\u30ce\u30fc\u30c9\u306e\u5bfe\u7b56\u304c\u5225\u30ce\u30fc\u30c9\u3078\u6ce2\u53ca\u3057\u3001\u969c\u5bb3\u306e\u898b\u3048\u65b9\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u76e3\u67fb\u8981\u4ef6\u304c\u7d61\u3080\u5834\u5408\u306f\u3001\u30ed\u30b0\u306e\u4fdd\u5168\u3068\u5909\u66f4\u7ba1\u7406\u304c\u6700\u512a\u5148\u306b\u306a\u308a\u3001\u52d5\u4f5c\u3092\u5909\u3048\u308b\u524d\u306b\u8a3c\u8de1\u306e\u53d6\u308a\u65b9\u3092\u6574\u3048\u308b\u5fc5\u8981\u304c\u51fa\u307e\u3059\u3002<\/p> <p>\u3053\u3046\u3057\u305f\u6761\u4ef6\u304c\u91cd\u306a\u308b\u73fe\u5834\u307b\u3069\u3001\u4e00\u822c\u8ad6\u306e\u5bfe\u7b56\u3092\u5f53\u3066\u306f\u3081\u308b\u3088\u308a\u3001\u300c\u5f71\u97ff\u7bc4\u56f2\u300d\u300c\u6700\u5c0f\u5909\u66f4\u300d\u300c\u5207\u65ad\u70b9\u306e\u78ba\u5b9a\u300d\u3092\u8ef8\u306b\u3001\u500b\u5225\u6761\u4ef6\u3092\u53cd\u6620\u3057\u305f\u624b\u9806\u306b\u843d\u3068\u3059\u65b9\u304c\u65e9\u304f\u53ce\u675f\u3057\u307e\u3059\u3002\u3082\u3057\u3001\u5207\u65ad\u70b9\u304c\u8907\u6570\u306b\u898b\u3048\u308b\u3001\u95a2\u4fc2\u8005\u304c\u591a\u304f\u8aac\u660e\u304c\u96e3\u3057\u3044\u3001\u76e3\u67fb\u3084\u5951\u7d04\u6761\u4ef6\u304c\u7d61\u3093\u3067\u5224\u65ad\u304c\u6b62\u307e\u308b\u3001\u3068\u3044\u3063\u305f\u72b6\u6cc1\u306a\u3089\u3001\u65e9\u3044\u6bb5\u968e\u3067<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u3078\u72b6\u6cc1\u6574\u7406\u304b\u3089\u76f8\u8ac7\u3059\u308b\u65b9\u304c\u3001\u8edf\u7740\u9678\u3057\u3084\u3059\u3044\u3067\u3059\u3002<\/p> <p>\u3053\u306e\u7ae0\u306e\u307e\u3068\u3081\u3068\u3057\u3066\u3001EPIPE(32)\u306f\u4e00\u822c\u8ad6\u3067\u201c\u65b9\u5411\u201d\u306f\u793a\u305b\u3066\u3082\u3001\u6700\u7d42\u5224\u65ad\u306f\u500b\u5225\u6848\u4ef6\u306e\u6761\u4ef6\u3067\u5272\u308c\u307e\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u8ad6\u70b9\u3092\u8868\u306b\u3057\u3066\u5408\u610f\u5f62\u6210\u3057\u3001\u6700\u5c0f\u5909\u66f4\u3067\u5207\u65ad\u70b9\u3092\u78ba\u5b9a\u3057\u3001\u8aac\u660e\u53ef\u80fd\u306a\u5bfe\u7b56\u3078\u843d\u3068\u3059\u3053\u3068\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec10\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u4f9d\u983c\u5224\u65ad\u3068\u3057\u3066\u306e\u7d50\u8ad6\u3068\u3001\u5404\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u3054\u3068\u306e\u6ce8\u610f\u70b9<\/h2> <p>EPIPE(32)\u306e\u6838\u5fc3\u306f\u300c\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u3068\u3044\u3046\u4e00\u70b9\u3067\u3059\u3002\u3053\u3053\u307e\u3067\u3067\u898b\u3066\u304d\u305f\u901a\u308a\u3001\u30d1\u30a4\u30d7\u30fb\u30bd\u30b1\u30c3\u30c8\u30fb\u30ed\u30b0\u7d4c\u8def\u30fb\u30b3\u30f3\u30c6\u30ca\u4e16\u4ee3\u4ea4\u4ee3\u306a\u3069\u3001\u76f8\u624b\u306e\u6b63\u4f53\u306f\u74b0\u5883\u306b\u3088\u308a\u5909\u308f\u308a\u307e\u3059\u3002\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u53ce\u675f\u306e\u8fd1\u9053\u306f\u201c\u4fee\u7406\u624b\u9806\u3092\u5897\u3084\u3059\u3053\u3068\u201d\u3067\u306f\u306a\u304f\u3001\u5207\u65ad\u70b9\u3092\u78ba\u5b9a\u3057\u3001\u5f71\u97ff\u7bc4\u56f2\u3092\u5897\u3084\u3055\u306a\u3044\u5f62\u3067\u5bfe\u7b56\u3092\u9078\u3076\u3053\u3068\u3067\u3059\u3002<\/p> <p>\u305d\u3057\u3066\u3001\u4e00\u822c\u8ad6\u3067\u8a9e\u308c\u308b\u7bc4\u56f2\u3092\u8d85\u3048\u308b\u6761\u4ef6\u304c\u63c3\u3046\u3068\u3001\u5224\u65ad\u306f\u6025\u306b\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002\u672c\u756a\u30c7\u30fc\u30bf\u304c\u7d61\u3080\u3001\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u304c\u3042\u308b\u3001\u76e3\u67fb\u8981\u4ef6\u304c\u3042\u308b\u3001\u6b62\u3081\u3089\u308c\u306a\u3044\u30ec\u30ac\u30b7\u30fc\u3067\u95a2\u4fc2\u8005\u304c\u591a\u3044\u3001\u79fb\u884c\u30b3\u30b9\u30c8\u3092\u5897\u3084\u3057\u305f\u304f\u306a\u3044\u3002\u3053\u3046\u3057\u305f\u72b6\u6cc1\u3067\u3001\u6a29\u9650\u3084\u8a2d\u5b9a\u3092\u5e83\u304f\u89e6\u308b\u3068\u3001\u5909\u66f4\u7406\u7531\u306e\u8aac\u660e\u3068\u691c\u8a3c\u7bc4\u56f2\u304c\u81a8\u3089\u307f\u3001\u53ce\u675f\u304c\u9045\u308c\u304c\u3061\u3067\u3059\u3002<\/p> <p>\u305d\u306e\u305f\u3081\u4f9d\u983c\u5224\u65ad\u3068\u3057\u3066\u306e\u7d50\u8ad6\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002\u5207\u65ad\u70b9\u304c\u4e00\u610f\u306b\u7279\u5b9a\u3067\u304d\u305a\u3001\u5f71\u97ff\u7bc4\u56f2\u306e\u8aac\u660e\u304c\u96e3\u3057\u3044\u6bb5\u968e\u3067\u7121\u7406\u306b\u624b\u3092\u5165\u308c\u308b\u3088\u308a\u3001\u307e\u305a\u306f\u89b3\u6e2c\u3068\u6642\u7cfb\u5217\u3092\u6574\u3048\u3066\u72b6\u6cc1\u3092\u30af\u30fc\u30eb\u30c0\u30a6\u30f3\u3057\u3001\u5fc5\u8981\u306a\u3089<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u76f8\u8ac7\u30fb\u4f9d\u983c\u3092\u691c\u8a0e\u3059\u308b\u65b9\u304c\u3001\u7d50\u679c\u3068\u3057\u3066\u65e9\u304f\u843d\u3061\u7740\u304f\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u7279\u306b\u3001\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30b3\u30f3\u30c6\u30ca\u3001\u672c\u756a\u30c7\u30fc\u30bf\u3001\u76e3\u67fb\u8981\u4ef6\u304c\u7d61\u3080\u5834\u5408\u306f\u3001\u7121\u7406\u306b\u6a29\u9650\u3084\u8a2d\u5b9a\u3078\u8e0f\u307f\u8fbc\u3080\u524d\u306e\u76f8\u8ac7\u304c\u6709\u52b9\u3067\u3059\u3002<\/p> <hr> <h3>\u73fe\u5728\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u8a00\u8a9e\u5404\u7a2e\u306b\u304a\u3051\u308b\u6ce8\u610f\u70b9\uff08EPIPE\/SIGPIPE\u306e\u6271\u3044\u306e\u5dee\uff09<\/h3> <p>\u6700\u5f8c\u306b\u3001\u8a00\u8a9e\u3084\u5b9f\u884c\u74b0\u5883\u306b\u3088\u3063\u3066EPIPE\u306e\u898b\u3048\u65b9\u30fb\u6271\u3044\u304c\u5909\u308f\u308b\u70b9\u3092\u6574\u7406\u3057\u307e\u3059\u3002\u540c\u3058\u5207\u65ad\u3067\u3082\u3001\u4f8b\u5916\u306b\u306a\u308b\u304b\u3001\u623b\u308a\u5024\u306b\u306a\u308b\u304b\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u308b\u304b\u304c\u9055\u3046\u305f\u3081\u3001\u3053\u3053\u3092\u62bc\u3055\u3048\u308b\u3068\u8abf\u67fb\u306e\u8ff7\u8d70\u304c\u6e1b\u308a\u307e\u3059\u3002<\/p> <h3>C \/ C++<\/h3> <p>\u4f4e\u30ec\u30d9\u30eb\u306eI\/O\u3067write\u304c\u5931\u6557\u3057\u305f\u3068\u304d\u3001errno=EPIPE\u3068\u3057\u3066\u6271\u3046\u306e\u304c\u57fa\u672c\u3067\u3059\u3002\u305f\u3060\u3057SIGPIPE\u306e\u6271\u3044\u306b\u3088\u308a\u3001write\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u30d7\u30ed\u30bb\u30b9\u7d42\u4e86\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u73fe\u5834\u3067\u306f\u300c\u7a81\u7136\u843d\u3061\u308b\u300d\u3068\u898b\u3048\u3084\u3059\u3044\u306e\u3067\u3001\u30b7\u30b0\u30ca\u30eb\u306e\u6271\u3044\u65b9\u91dd\uff08\u7121\u8996\u3059\u308b\u306e\u304b\u3001\u6355\u6349\u3057\u3066\u30a8\u30e9\u30fc\u51e6\u7406\u3059\u308b\u306e\u304b\uff09\u3092\u8a2d\u8a08\u3068\u3057\u3066\u6c7a\u3081\u3001\u30ed\u30b0\u306b\u5207\u65ad\u70b9\u304c\u6b8b\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3068\u53ce\u675f\u304c\u65e9\u307e\u308a\u307e\u3059\u3002<\/p> <h3>Go<\/h3> <p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30afI\/O\u3067\u306f\u3001\u66f8\u304d\u8fbc\u307f\u5931\u6557\u304c\u30a8\u30e9\u30fc\u3068\u3057\u3066\u8fd4\u308a\u3001\u72b6\u6cc1\u306b\u3088\u308a\u201cbroken pipe\u201d\u76f8\u5f53\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u89b3\u6e2c\u3055\u308c\u307e\u3059\u3002\u4e26\u884c\u51e6\u7406\uff08goroutine\uff09\u3067\u540c\u3058\u63a5\u7d9a\u3078\u66f8\u304f\u8a2d\u8a08\u3084\u3001\u5207\u65ad\u6642\u306e\u30a8\u30e9\u30fc\u51e6\u7406\u304c\u5206\u6563\u3059\u308b\u3068\u3001\u767a\u751f\u6e90\u304c\u8ffd\u3044\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u671f\u9650\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u6574\u5408\u3001\u5207\u65ad\u6642\u306e\u5f8c\u59cb\u672b\uff08\u30ad\u30e3\u30f3\u30bb\u30eb\u4f1d\u64ad\uff09\u3092\u63c3\u3048\u308b\u3068\u3001\u518d\u767a\u304c\u6291\u3048\u8fbc\u307f\u3084\u3059\u3044\u3067\u3059\u3002<\/p> <h3>Rust<\/h3> <p>I\/O\u306fResult\u3067\u8fd4\u308b\u305f\u3081\u3001\u5207\u65ad\u3092\u304d\u3061\u3093\u3068\u5206\u5c90\u51e6\u7406\u3057\u3084\u3059\u3044\u53cd\u9762\u3001unwrap\u306a\u3069\u3067\u4f8b\u5916\u7684\u306b\u843d\u3068\u3059\u3068\u201c\u7a81\u7136\u7d42\u4e86\u201d\u306b\u898b\u3048\u307e\u3059\u3002\u975e\u540c\u671f\u30e9\u30f3\u30bf\u30a4\u30e0\uff08tokio\u7b49\uff09\u3067\u306f\u3001\u63a5\u7d9a\u5bff\u547d\u3068\u30bf\u30b9\u30af\u5bff\u547d\u304c\u305a\u308c\u308b\u3068\u3001\u9589\u3058\u305f\u76f8\u624b\u3078\u66f8\u304d\u306b\u884c\u304f\u5f62\u304c\u5897\u3048\u307e\u3059\u3002\u63a5\u7d9a\u306e\u6240\u6709\u6a29\u3001\u7d42\u4e86\u624b\u9806\u3001\u30bf\u30b9\u30af\u306e\u30ad\u30e3\u30f3\u30bb\u30eb\u3092\u8a2d\u8a08\u306b\u7e54\u308a\u8fbc\u3080\u3068\u3001\u30ce\u30a4\u30ba\u304c\u6e1b\u308a\u307e\u3059\u3002<\/p> <h3>Python<\/h3> <p>\u30d1\u30a4\u30d7\u3084\u30bd\u30b1\u30c3\u30c8\u3078\u306e\u66f8\u304d\u8fbc\u307f\u3067\u3001BrokenPipeError\u306a\u3069\u306e\u4f8b\u5916\u3068\u3057\u3066\u8868\u9762\u5316\u3057\u3084\u3059\u3044\u3067\u3059\u3002\u4f8b\u5916\u3092\u63e1\u308a\u3064\u3076\u3059\u3068\u539f\u56e0\u304c\u898b\u3048\u306a\u304f\u306a\u308a\u3001\u9006\u306b\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3092\u5927\u91cf\u306b\u51fa\u3059\u3068\u30ed\u30b0\u304c\u30ce\u30a4\u30ba\u5316\u3057\u307e\u3059\u3002\u4f8b\u5916\u3092\u201c\u5207\u65ad\u70b9\u306e\u8a3c\u62e0\u201d\u3068\u3057\u3066\u6271\u3044\u3001\u6642\u523b\u30fb\u76f8\u624b\u30fb\u7d4c\u8def\u304c\u5206\u304b\u308b\u60c5\u5831\u3092\u6700\u4f4e\u9650\u6dfb\u3048\u3066\u30ed\u30b0\u5316\u3057\u3001\u983b\u5ea6\u304c\u5897\u3048\u305f\u3068\u304d\u3060\u3051\u6df1\u6398\u308a\u3067\u304d\u308b\u5f62\u306b\u3057\u3066\u304a\u304f\u3068\u904b\u7528\u304c\u697d\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <h3>Java<\/h3> <p>\u30bd\u30b1\u30c3\u30c8\u306e\u66f8\u304d\u8fbc\u307f\u5931\u6557\u304cIOException\u3068\u3057\u3066\u898b\u3048\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u304c\u904b\u7528\u30ce\u30a4\u30ba\u306b\u306a\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u63a5\u7d9a\u30d7\u30fc\u30eb\u3084\u30b9\u30ec\u30c3\u30c9\u30e2\u30c7\u30eb\u306e\u5f71\u97ff\u3067\u3001\u5207\u65ad\u304c\u201c\u3069\u306e\u5c64\u3067\u8d77\u304d\u305f\u304b\u201d\u304c\u5206\u6563\u3057\u3066\u898b\u3048\u307e\u3059\u3002\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3068\u63a5\u7d9a\u518d\u5229\u7528\u306e\u65b9\u91dd\uff08keepalive\u3001idle timeout\u3001\u30ea\u30c8\u30e9\u30a4\uff09\u3092\u6574\u5408\u3055\u305b\u3001\u4f8b\u5916\u30ed\u30b0\u3092\u7d4c\u8def\u3054\u3068\u306b\u6291\u3048\u8fbc\u307f\u3064\u3064\u3001\u5207\u65ad\u70b9\u306e\u7279\u5b9a\u306b\u5fc5\u8981\u306a\u60c5\u5831\u3060\u3051\u6b8b\u3059\u3068\u53ce\u675f\u304c\u65e9\u3044\u3067\u3059\u3002<\/p> <h3>JavaScript \/ Node.js<\/h3> <p>\u30b9\u30c8\u30ea\u30fc\u30e0\u3084\u30bd\u30b1\u30c3\u30c8\u3067\u3001\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\u72b6\u614b\u3078\u306e\u66f8\u304d\u8fbc\u307f\u306f\u30a8\u30e9\u30fc\u30a4\u30d9\u30f3\u30c8\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002\u30a4\u30d9\u30f3\u30c8\u306e\u53d6\u308a\u3053\u307c\u3057\u3084\u3001\u672a\u51e6\u7406\u306e\u30a8\u30e9\u30fc\u3067\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001\u73fe\u5834\u3067\u306f\u201c\u7a81\u7136\u6b7b\u201d\u306b\u898b\u3048\u307e\u3059\u3002\u30b9\u30c8\u30ea\u30fc\u30e0\u306eerror\/close\u306e\u6271\u3044\u3092\u7d71\u4e00\u3057\u3001\u5207\u65ad\u6642\u306e\u5f8c\u59cb\u672b\u3092\u4e00\u7b87\u6240\u306b\u5bc4\u305b\u308b\u3068\u3001\u540c\u3058EPIPE\u3067\u3082\u518d\u767a\u306e\u6b6f\u6b62\u3081\u304c\u52b9\u304d\u307e\u3059\u3002<\/p> <h3>Shell\uff08bash\u7b49\uff09<\/h3> <p>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u306f\u3001\u4e0b\u6d41\u304c\u5148\u306b\u7d42\u308f\u308b\u3068\u4e0a\u6d41\u304cSIGPIPE\u3067\u7d42\u308f\u308b\u3053\u3068\u304c\u3042\u308a\u3001Broken pipe\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u969c\u5bb3\u3068\u3044\u3046\u3088\u308a\u201c\u7d42\u4e86\u6761\u4ef6\u306e\u6574\u5408\u201d\u3067\u8d77\u304d\u308b\u5834\u5408\u3082\u591a\u3044\u306e\u3067\u3001pipefail\u3084PIPESTATUS\u3067\u5931\u6557\u6bb5\u3092\u660e\u78ba\u306b\u3057\u3001\u60f3\u5b9a\u5185\u306e\u65e9\u671f\u7d42\u4e86\u3092\u76e3\u8996\u3084\u904b\u7528\u4e0a\u306e\u6271\u3044\u304b\u3089\u5207\u308a\u5206\u3051\u308b\u3068\u3001\u30ce\u30a4\u30ba\u30ab\u30c3\u30c8\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <p>\u672c\u7ae0\u306e\u307e\u3068\u3081\u3068\u3057\u3066\u3001EPIPE(32)\u306f\u300c\u5207\u65ad\u70b9\u306e\u78ba\u5b9a\u300d\u3068\u300c\u5f71\u97ff\u7bc4\u56f2\u3092\u5897\u3084\u3055\u306a\u3044\u6700\u5c0f\u5909\u66f4\u300d\u304c\u53ce\u675f\u306e\u9375\u3067\u3059\u3002\u8a00\u8a9e\u3054\u3068\u306b\u898b\u3048\u65b9\u304c\u9055\u3046\u305f\u3081\u3001\u4f8b\u5916\u30fb\u623b\u308a\u5024\u30fb\u30b7\u30b0\u30ca\u30eb\u306e\u3069\u308c\u3067\u89b3\u6e2c\u3055\u308c\u308b\u304b\u3092\u62bc\u3055\u3048\u3001\u500b\u5225\u6848\u4ef6\u306e\u6761\u4ef6\uff08\u672c\u756a\u30c7\u30fc\u30bf\u3001\u5171\u6709\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u76e3\u67fb\u8981\u4ef6\u3001\u6b62\u3081\u3089\u308c\u306a\u3044\u30ec\u30ac\u30b7\u30fc\uff09\u306b\u5408\u308f\u305b\u3066\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u822c\u8ad6\u3067\u5224\u65ad\u304c\u6b62\u307e\u308b\u5c40\u9762\u3067\u306f\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u76f8\u8ac7\u30fb\u4f9d\u983c\u3092\u691c\u8a0e\u3059\u308b\u6d41\u308c\u304c\u81ea\u7136\u306b\u53d6\u308c\u308b\u3068\u3001\u7d50\u679c\u3068\u3057\u3066\u8edf\u7740\u9678\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p> \r\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e00b555 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e00b555\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fc9ebb3\" data-id=\"fc9ebb3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-caf84da elementor-widget elementor-widget-html\" data-id=\"caf84da\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\r\n\r\n<div style=\"margin:0; padding:30pt; background-color:#EEEEEE;\"> <p style=\"margin:0 0 8px 0; font-size:1.2em;\"><strong>\u3082\u304f\u3058<\/strong><\/p> <ul style=\"list-style-type:none; padding-left:0; margin:0;\"> <li style=\"margin:40px 0;\"><a href=\"#sec01\">\u300c\u307e\u305f Broken pipe \u304b\u2026\u300d\u6df1\u591c\u306e\u30ed\u30b0\u3067\u5fc3\u304c\u6298\u308c\u305d\u3046\u306b\u306a\u308b\u77ac\u9593\u304b\u3089\u59cb\u3081\u308b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec02\">EPIPE(32) \u306e\u6b63\u4f53\uff1a\u3069\u306e syscall \u304c\u3001\u3069\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067 \u201c\u5207\u65ad\u6e08\u307f\u201d \u3092\u8fd4\u3059\u306e\u304b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec03\">\u4f0f\u7dda\u2460\uff1aSIGPIPE \u3068 EPIPE \u306e\u95a2\u4fc2\uff08\u306a\u305c\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u308b\/\u843d\u3061\u306a\u3044\u304c\u6df7\u5728\u3059\u308b\uff1f\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec04\">\u4f0f\u7dda\u2461\uff1a\u30d1\u30a4\u30d7\u3060\u3051\u3058\u3083\u306a\u3044\u2014\u30bd\u30b1\u30c3\u30c8\/SSH\/HTTP \u3067\u3082\u8d77\u304d\u308b\u300c\u7247\u5074\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u4e16\u754c<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec05\">\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u5225\uff1acurl|grep\u3001rsync\u3001nginx\u3001systemd\u2014\u73fe\u5834\u3067\u3088\u304f\u898b\u308b\u767a\u751f\u30b7\u30ca\u30ea\u30aa<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec06\">\u691c\u51fa\u306e\u57fa\u672c\u30bb\u30c3\u30c8\uff1a\u30ed\u30b0\u3001exit code\u3001strace\u3001lsof\u3001ss \u3067\u300c\u8ab0\u304c\u5148\u306b\u9589\u3058\u305f\u304b\u300d\u3092\u8ffd\u3046<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec07\">\u201c\u539f\u56e0\u201d \u3092\u5207\u308a\u5206\u3051\u308b\uff1a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\/\u518d\u8d77\u52d5\/\u30d0\u30c3\u30d5\u30a1\u8a70\u307e\u308a\/\u56de\u7dda\u65ad\/\u30d7\u30ed\u30ad\u30b7\u5207\u65ad\u306e\u898b\u5206\u3051\u65b9<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec08\">\u4fee\u5fa9\u7b56\uff08\u30a2\u30d7\u30ea\u5074\uff09\uff1aSIGPIPE \u7121\u8996\u3001write \u306e\u623b\u308a\u5024\u51e6\u7406\u3001\u518d\u8a66\u884c\u3001idempotency \u306e\u8a2d\u8a08<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec09\">\u4fee\u5fa9\u7b56\uff08\u904b\u7528\u5074\uff09\uff1akeepalive\/timeout\/\u30ea\u30c8\u30e9\u30a4\u65b9\u91dd\u3001\u76e3\u8996\u3068\u30a2\u30e9\u30fc\u30c8\u3001\u518d\u767a\u9632\u6b62\u306e\u8a2d\u5b9a\u4f8b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec10\">\u5e30\u7d50\uff1aEPIPE \u306f\u300c\u6545\u969c\u300d\u3067\u306f\u306a\u304f \u201c\u8a2d\u8a08\u306e\u5883\u754c\u201d \u3092\u6559\u3048\u3066\u304f\u308c\u308b\u2014\u843d\u3061\u306a\u3044\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3078<\/a><\/li> <\/ul> <\/div> \r\n\r\n\r\n\r\n<p><strong>\u3010\u6ce8\u610f\u3011\u672c\u8a18\u4e8b\u306f\u3001Linux \u306e EPIPE(32)\uff08\u3044\u308f\u3086\u308b \u201cBroken pipe\u201d\uff09\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306b\u3001\u73fe\u5834\u3067\u300c\u88ab\u5bb3\u6700\u5c0f\u5316\uff08\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff09\u300d\u3057\u306a\u304c\u3089\u539f\u56e0\u3092\u5207\u308a\u5206\u3051\u3001\u518d\u767a\u3092\u6291\u3048\u8fbc\u3080\u305f\u3081\u306e\u4e00\u822c\u7684\u306a\u8003\u3048\u65b9\u3092\u6574\u7406\u3057\u305f\u60c5\u5831\u63d0\u4f9b\u3067\u3059\u3002\u5b9f\u969b\u306e\u6700\u9069\u89e3\u306f\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u3001\u901a\u4fe1\u7d4c\u8def\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8a2d\u5b9a\u3001\u30c7\u30d7\u30ed\u30a4\u65b9\u5f0f\u3001\u8ca0\u8377\u72b6\u6cc1\u3001\u5fa9\u65e7\u671f\u9650\u306a\u3069\u3067\u5909\u308f\u308a\u307e\u3059\u3002\u91cd\u8981\u30c7\u30fc\u30bf\u3084\u696d\u52d9\u5f71\u97ff\u304c\u7d61\u3080\u5834\u5408\u306f\u5224\u65ad\u3092\u8aa4\u308b\u3068\u640d\u5931\u304c\u62e1\u5927\u3059\u308b\u305f\u3081\u3001\u500b\u5225\u6848\u4ef6\u3068\u3057\u3066\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u306e\u3088\u3046\u306a\u5c02\u9580\u4e8b\u696d\u8005\u3078\u76f8\u8ac7\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/strong><\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec01\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u300c\u307e\u305f Broken pipe \u304b\u2026\u300d\u591c\u9593\u306e\u30ed\u30b0\u3067\u6e29\u5ea6\u3092\u4e0b\u3052\u308b\u305f\u3081\u306e\u7b2c\u4e00\u6b69<\/h2> <p>\u6df1\u591c\u306e\u30a2\u30e9\u30fc\u30c8\u5bfe\u5fdc\u3067\u3001\u30ed\u30b0\u306b <strong>Broken pipe<\/strong> \u3084 <strong>EPIPE(32)<\/strong> \u304c\u51fa\u3066\u3044\u308b\u3002\u3057\u304b\u3082\u518d\u73fe\u3057\u306a\u3044\u3002\u4e0a\u53f8\u306b\u300c\u539f\u56e0\u306f\uff1f\u300d\u3068\u805e\u304b\u308c\u3066\u3082\u3001\u6b63\u76f4\u3044\u3061\u3070\u3093\u56f0\u308b\u3084\u3064\u3067\u3059\u3002<\/p> <p>\u3055\u3089\u306b\u3084\u3063\u304b\u3044\u306a\u306e\u306f\u3001EPIPE \u304c\u300c\u58ca\u308c\u305f\u300d\u3053\u3068\u3092\u76f4\u63a5\u793a\u3059\u3068\u306f\u9650\u3089\u306a\u3044\u70b9\u3067\u3059\u3002<strong>\u201c\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\u201d<\/strong>\u3001<strong>\u201c\u4e0b\u6d41\u304c\u3082\u3046\u8981\u3089\u306a\u3044\u3068\u8a00\u3063\u305f\u201d<\/strong>\u3001\u3042\u308b\u3044\u306f <strong>\u201c\u9014\u4e2d\u306e\u88c5\u7f6e\u304c\u5207\u3063\u305f\u201d<\/strong>\u2015\u2015\u3053\u306e\u3042\u305f\u308a\u306e\u53ef\u80fd\u6027\u304c\u6df7\u3056\u3063\u3066\u3001\u73fe\u5834\u306e\u7a7a\u6c17\u304c\u904e\u71b1\u3057\u304c\u3061\u3067\u3059\u3002<\/p> <h3>\u5fc3\u306e\u4f1a\u8a71\uff08\u73fe\u5834\u3042\u308b\u3042\u308b\uff09<\/h3> <p>\u300c\u3053\u3063\u3061\u306f\u4ed5\u69d8\u901a\u308a\u306b write \u3057\u3066\u308b\u3060\u3051\u306a\u3093\u3060\u3051\u3069\u2026\u300d<\/p> <p>\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff1f\u30a2\u30d7\u30ea\uff1f\u8a2d\u5b9a\uff1f\u3069\u308c\u3082\u89e6\u308a\u305f\u304f\u306a\u3044\u2026\u300d<\/p> <p>\u300c\u201c\u539f\u56e0\u4e0d\u660e\u201d\u3063\u3066\u66f8\u3044\u305f\u3089\u6012\u3089\u308c\u308b\u3057\u3001\u3067\u3082\u65ad\u5b9a\u3082\u3067\u304d\u306a\u3044\u2026\u300d<\/p> <p>\u3053\u3046\u611f\u3058\u308b\u306e\u306f\u81ea\u7136\u3067\u3059\u3002\u3080\u3057\u308d\u5065\u5168\u306a\u7591\u3044\u3067\u3059\u3002EPIPE \u306f \u201c\u73fe\u8c61\u201d \u3068\u3057\u3066\u306f\u5358\u7d14\u3067\u3082\u3001<strong>\u80cc\u666f\u304c\u8907\u6570\u3042\u308a\u5f97\u308b<\/strong>\u306e\u3067\u3001\u96d1\u306b\u6c7a\u3081\u6253\u3061\u3059\u308b\u3068\u4e8c\u6b21\u88ab\u5bb3\u304c\u51fa\u307e\u3059\u3002<\/p> <hr> <h3>\u307e\u305a\u62bc\u3055\u3048\u308b\u300c\u73fe\u8c61\u300d\uff1aEPIPE \u306f\u201c\u66f8\u304d\u8fbc\u307f\u5148\u304c\u3044\u306a\u3044\/\u53d7\u3051\u53d6\u3089\u306a\u3044\u201d\u30b5\u30a4\u30f3<\/h3> <p>Linux \u306e EPIPE(32) \u306f\u3001\u3056\u3063\u304f\u308a\u8a00\u3046\u3068 <strong>\u300c\u66f8\u304d\u8fbc\u3082\u3046\u3068\u3057\u305f\u304c\u3001\u76f8\u624b\uff08\u8aad\u307f\u624b\/\u53d7\u3051\u624b\uff09\u304c\u3082\u3046\u5b58\u5728\u3057\u306a\u3044\u3001\u307e\u305f\u306f\u53d7\u3051\u53d6\u308c\u306a\u3044\u72b6\u614b\u300d<\/strong>\u3067\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002\u5178\u578b\u4f8b\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p> <ul> <li><strong>\u30d1\u30a4\u30d7\/\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3<\/strong>\uff1a\u4e0b\u6d41\u30b3\u30de\u30f3\u30c9\u304c\u5148\u306b\u7d42\u4e86\u3057\u3001\u4e0a\u6d41\u304c\u66f8\u304d\u8fbc\u3093\u3060\u3089 EPIPE\/SIGPIPE \u306b\u306a\u3063\u305f<\/li> <li><strong>\u30bd\u30b1\u30c3\u30c8\u901a\u4fe1<\/strong>\uff1a\u63a5\u7d9a\u5148\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u30fb\u518d\u8d77\u52d5\u3001\u307e\u305f\u306f\u9014\u4e2d\u306e\u7d4c\u8def\u3067\u5207\u65ad\u3055\u308c\u3001\u9001\u4fe1\u5074\u304c\u66f8\u304d\u8fbc\u307f\u6642\u306b\u5931\u6557\u3057\u305f<\/li> <li><strong>\u9577\u3044\u51e6\u7406\u306e\u9014\u4e2d<\/strong>\uff1a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084 keepalive \u306e\u4e0d\u4e00\u81f4\u3067\u300c\u76f8\u624b\u306f\u5f85\u3066\u305a\u306b\u9589\u3058\u305f\u300d<\/li> <\/ul> <p>\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001EPIPE \u304c\u51fa\u305f\u77ac\u9593\u306b\u3084\u308b\u3079\u304d\u306f\u3001\u539f\u56e0\u306e\u65ad\u5b9a\u3088\u308a\u3082 <strong>\u201c\u5834\u3092\u6574\u3048\u308b\u201d<\/strong>\u3053\u3068\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u8ffd\u52a0\u30ed\u30b0\u30fb\u518d\u73fe\u6761\u4ef6\u30fb\u5931\u6557\u70b9\uff08\u3069\u306e\u30d7\u30ed\u30bb\u30b9\/\u3069\u306e\u901a\u4fe1\uff09\u3092\u56fa\u5b9a\u5316\u3057\u3066\u3001\u6b21\u306e\u7ae0\u4ee5\u964d\u306e\u5207\u308a\u5206\u3051\u304c\u3067\u304d\u308b\u72b6\u614b\u306b\u3059\u308b\u3053\u3068\u3002<\/p> <h3>\u6700\u521d\u306e 10 \u5206\u3067\u3084\u308b\u300c\u88ab\u5bb3\u6700\u5c0f\u5316\u300d\u30c1\u30a7\u30c3\u30af<\/h3> <ul> <li><strong>\u3069\u3053\u3067\u51fa\u305f\u304b<\/strong>\uff1a\u30a2\u30d7\u30ea\u30ed\u30b0 \/ \u30b7\u30a7\u30eb\u306e\u6a19\u6e96\u30a8\u30e9\u30fc \/ systemd journal \/ reverse proxy \u306e\u3044\u305a\u308c\u304b<\/li> <li><strong>\u5358\u767a\u304b\u7d99\u7d9a\u304b<\/strong>\uff1a\u77ac\u65ad\u304b\u3001\u4e00\u5b9a\u5468\u671f\u3067\u518d\u767a\u304b\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8d77\u70b9\u306e\u53ef\u80fd\u6027\u304c\u898b\u3048\u308b\uff09<\/li> <li><strong>\u5f71\u97ff\u7bc4\u56f2<\/strong>\uff1a\u4e00\u90e8\u30e6\u30fc\u30b6\/\u4e00\u90e8\u30ce\u30fc\u30c9\u3060\u3051\u304b\u3001\u5168\u4f53\u304b\uff08\u7d4c\u8def\u30fbLB\u30fb\u7279\u5b9aPod\u306a\u3069\u306e\u624b\u304c\u304b\u308a\uff09<\/li> <li><strong>\u76f4\u524d\u306e\u5909\u66f4<\/strong>\uff1a\u30c7\u30d7\u30ed\u30a4\u3001\u8a2d\u5b9a\u5909\u66f4\u3001\u8a3c\u660e\u66f8\u66f4\u65b0\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3001\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u66f4\u65b0<\/li> <\/ul> <p>\u3053\u306e\u6bb5\u968e\u3067\u306f\u300c\u76f4\u305b\u305d\u3046\u306a\u6c17\u914d\u300d\u3088\u308a\u3082\u3001\u300c\u4f55\u3092\u898b\u308c\u3070\u6b63\u3057\u304f\u5224\u65ad\u3067\u304d\u308b\u304b\u300d\u3092\u63c3\u3048\u308b\u306e\u304c\u512a\u5148\u3067\u3059\u3002\u7126\u3063\u3066\u30d6\u30ec\u30fc\u30ad\u3092\u8e0f\u307f\u3059\u304e\u308b\uff08\u7121\u95c7\u306a\u518d\u8d77\u52d5\u3084\u8a2d\u5b9a\u5909\u66f4\uff09\u3068\u3001\u30ed\u30b0\u304c\u6d88\u3048\u3066\u4f59\u8a08\u306b\u96e3\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec02\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">EPIPE(32) \u306e\u6b63\u4f53\uff1a\u3069\u306e\u64cd\u4f5c\u304c\u3001\u3069\u306e\u6761\u4ef6\u3067\u30a8\u30e9\u30fc\u306b\u306a\u308b\u306e\u304b<\/h2> <p>EPIPE \u306f errno \u306e\u3072\u3068\u3064\u3067\u3001\u6570\u5024\u3068\u3057\u3066\u306f <strong>32<\/strong> \u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002\u30ed\u30b0\u306b \u201cEPIPE(32)\u201d \u3068\u51fa\u308b\u5834\u5408\u3082\u3042\u308c\u3070\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u3057\u3066 \u201cBroken pipe\u201d \u3068\u51fa\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\uff08\u3069\u306e\u8868\u73fe\u304c\u51fa\u308b\u304b\u306f\u30a2\u30d7\u30ea\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u6b21\u7b2c\u3067\u3059\uff09\u3002<\/p> <p>\u305f\u3060\u3001EPIPE \u3092\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u58ca\u308c\u305f\u300d\u3068\u5373\u65ad\u3057\u3066\u3057\u307e\u3046\u3068\u4e8b\u6545\u308a\u307e\u3059\u3002EPIPE \u306f\u591a\u304f\u306e\u5834\u5408\u3001<strong>\u201c\u66f8\u304d\u8fbc\u307f\u201d<\/strong>\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u521d\u3081\u3066\u89b3\u6e2c\u3055\u308c\u308b\u306e\u3067\u3001\u539f\u56e0\u306f\u300c\u305d\u306e\u524d\u306b\u8d77\u304d\u305f\u5207\u65ad\u300d\u3084\u300c\u4e0b\u6d41\u306e\u7d42\u4e86\u300d\u3067\u3042\u308b\u3053\u3068\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p> <h3>\u30d1\u30a4\u30d7\u3068\u30bd\u30b1\u30c3\u30c8\u3067\u3001\u610f\u5473\u306f\u4f3c\u3066\u3044\u3066\u3082\u80cc\u666f\u304c\u9055\u3046<\/h3> <p>\u30d1\u30a4\u30d7\uff08IPC\uff09\u3067\u3082\u30bd\u30b1\u30c3\u30c8\uff08TCP \u7b49\uff09\u3067\u3082\u3001\u300c\u9001\u308b\u5074\u304c\u66f8\u3053\u3046\u3068\u3057\u305f\u304c\u76f8\u624b\u304c\u53d7\u3051\u53d6\u3089\u306a\u3044\u300d\u70b9\u306f\u5171\u901a\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d1\u30a4\u30d7\u306f<strong>\u540c\u4e00\u30db\u30b9\u30c8\u5185\u306e\u30d7\u30ed\u30bb\u30b9\u9023\u643a<\/strong>\u304c\u4e2d\u5fc3\u3067\u3001\u30bd\u30b1\u30c3\u30c8\u306f<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u8def\u3084\u4e2d\u7d99\u88c5\u7f6e<\/strong>\u304c\u95a2\u308f\u308b\u305f\u3081\u3001\u7591\u3046\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u304c\u5897\u3048\u307e\u3059\u3002<\/p> <hr> <h3>\u3088\u304f\u3042\u308b\u7d50\u679c\u3092\u6574\u7406\uff08\u8868\uff09<\/h3> <p>\u73fe\u5834\u306e\u5207\u308a\u5206\u3051\u3067\u52b9\u304f\u306e\u306f\u3001\u300c\u3069\u306e\u64cd\u4f5c\uff08read\/write\uff09\u3067\u300d\u300c\u76f8\u624b\u306f\u3069\u3046\u306a\u3063\u3066\u3044\u305f\u304b\u300d\u3092\u6574\u7406\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u72b6\u6cc1<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u5178\u578b\u7684\u306a\u89b3\u6e2c<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u8aad\u307f\u53d6\u308a\/\u66f8\u304d\u8fbc\u307f\u5074\u306e\u898b\u3048\u65b9<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u30d1\u30a4\u30d7\u3067\u4e0b\u6d41\u304c\u7d42\u4e86<\/td> <td style=\"border:1px solid #999; padding:8px;\">Broken pipe \/ EPIPE<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u4e0a\u6d41\u304c write \u6642\u306b EPIPE\u3001\u307e\u305f\u306f SIGPIPE \u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3042\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u30d1\u30a4\u30d7\u3067\u4e0a\u6d41\u304c\u7d42\u4e86<\/td> <td style=\"border:1px solid #999; padding:8px;\">EOF\uff08\u8aad\u307f\u53d6\u308a 0 \u30d0\u30a4\u30c8\uff09<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u4e0b\u6d41\u304c read \u3059\u308b\u3068 0\uff08\u7d42\u7aef\uff09\u306b\u306a\u308b\u306e\u304c\u4e00\u822c\u7684<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">TCP \u63a5\u7d9a\u5148\u304c\u5148\u306b close\/\u518d\u8d77\u52d5<\/td> <td style=\"border:1px solid #999; padding:8px;\">send\/write \u3067\u5931\u6557<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u9001\u4fe1\u6642\u306b EPIPE \u7b49\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308b\uff08\u3069\u306e errno \u306b\u306a\u308b\u304b\u306f\u72b6\u6cc1\u3067\u5909\u308f\u308b\uff09<\/td> <\/tr> <\/table> <p>\u30dd\u30a4\u30f3\u30c8\u306f\u3001<strong>\u201cEPIPE \u306f\u66f8\u304d\u8fbc\u307f\u5074\u304c\u898b\u3066\u3044\u308b\u201d<\/strong>\u3053\u3068\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u8abf\u67fb\u3067\u306f\u300c\u66f8\u3044\u305f\u306e\u306f\u8ab0\u304b\u300d\u300c\u3069\u3053\u306b\u66f8\u3044\u305f\u306e\u304b\u300d\u3092\u6700\u521d\u306b\u78ba\u5b9a\u3055\u305b\u308b\u3068\u3001\u8b70\u8ad6\u306e\u904e\u71b1\u3092\u93ae\u706b\u3055\u305b\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <h3>\u300c\u691c\u51fa\u300d\u3068\u300c\u4fee\u5fa9\u7b56\u300d\u306f\u5225\u7269\uff1a\u307e\u305a\u306f\u89b3\u6e2c\u70b9\u3092\u56fa\u5b9a\u3059\u308b<\/h3> <p>\u3053\u306e\u6bb5\u968e\u3067\u3084\u308b\u3079\u304d\u306f\u3001\u201c\u4fee\u5fa9\u7b56\u3092\u5217\u6319\u3059\u308b\u201d\u3088\u308a\u5148\u306b\u3001<strong>\u89b3\u6e2c\u70b9\uff08\u30ed\u30b0\/\u30e1\u30c8\u30ea\u30af\u30b9\/\u30c8\u30ec\u30fc\u30b9\uff09\u3092\u5897\u3084\u3059<\/strong>\u3053\u3068\u3067\u3059\u3002EPIPE \u306f\u300c\u73fe\u8c61\u300d\u306a\u306e\u3067\u3001\u539f\u56e0\u304c\u9055\u3048\u3070\u5bfe\u7b56\u3082\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <ul> <li>\u30a2\u30d7\u30ea\u306e\u3069\u306e\u51e6\u7406\uff08\u3069\u306e\u30ea\u30af\u30a8\u30b9\u30c8\/\u3069\u306e\u30b8\u30e7\u30d6\uff09\u3067 write \u3057\u305f\u304b<\/li> <li>\u76f8\u624b\uff08\u4e0b\u6d41\u30d7\u30ed\u30bb\u30b9\/\u63a5\u7d9a\u5148\uff09\u306e\u7a3c\u50cd\u72b6\u6cc1\uff08\u76f4\u524d\u306b\u843d\u3061\u3066\u3044\u306a\u3044\u304b\uff09<\/li> <li>\u4e2d\u7d99\uff08LB\/\u30d7\u30ed\u30ad\u30b7\/SSH\/\u30b3\u30f3\u30c6\u30ca\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff09\u304c\u3042\u308b\u304b<\/li> <\/ul> <p>\u3053\u306e \u201c\u89b3\u6e2c\u70b9\u306e\u8ffd\u52a0\u201d \u306f\u3001\u5f8c\u534a\u3067\u8aac\u660e\u3059\u308b\u518d\u767a\u9632\u6b62\uff08\u30ea\u30c8\u30e9\u30a4\u8a2d\u8a08\u3084\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8abf\u6574\uff09\u306b\u3082\u76f4\u7d50\u3057\u307e\u3059\u3002\u307e\u305a\u306f\u3053\u3053\u3067\u571f\u53f0\u3092\u4f5c\u308a\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec03\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">SIGPIPE \u3068 EPIPE\uff1a\u306a\u305c\u300c\u843d\u3061\u308b\u6642\u300d\u3068\u300c\u843d\u3061\u306a\u3044\u6642\u300d\u304c\u6df7\u3056\u308b\u306e\u304b<\/h2> <p>EPIPE \u306e\u8a71\u3092\u96e3\u3057\u304f\u3057\u3066\u3044\u308b\u6700\u5927\u306e\u8981\u56e0\u304c\u3001<strong>SIGPIPE<\/strong> \u306e\u5b58\u5728\u3067\u3059\u3002\u3056\u3063\u304f\u308a\u8a00\u3046\u3068\u3001Linux\/Unix \u7cfb\u3067\u306f\u300c\u53d7\u3051\u624b\u304c\u3044\u306a\u3044\u30d1\u30a4\u30d7\u7b49\u306b\u66f8\u304d\u8fbc\u3082\u3046\u3068\u3057\u305f\u300d\u3068\u304d\u306b\u3001<strong>\u30d7\u30ed\u30bb\u30b9\u3078 SIGPIPE\uff08\u30b7\u30b0\u30ca\u30eb 13\uff09<\/strong>\u304c\u9001\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u305d\u3057\u3066\u591a\u304f\u306e\u74b0\u5883\u3067\u306f\u3001SIGPIPE \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u52d5\u4f5c\u304c <strong>\u30d7\u30ed\u30bb\u30b9\u7d42\u4e86<\/strong>\u306a\u306e\u3067\u3001\u30a2\u30d7\u30ea\u3084\u30b3\u30de\u30f3\u30c9\u304c\u7a81\u7136\u7d42\u308f\u308a\u307e\u3059\u3002\u73fe\u5834\u3060\u3068\u3001\u3053\u308c\u304c\u300c\u843d\u3061\u308b\/\u843d\u3061\u306a\u3044\u306e\u5dee\u300d\u306b\u898b\u3048\u3066\u3001\u793e\u5185\u8abf\u6574\u304c\u3057\u3093\u3069\u304f\u306a\u308a\u304c\u3061\u3067\u3059\u3002<\/p> <h3>\u5fc3\u306e\u4f1a\u8a71\uff08\u3053\u3053\u3067\u6df7\u4e71\u3059\u308b\uff09<\/h3> <p>\u300c\u540c\u3058\u51e6\u7406\u306a\u306e\u306b\u3001\u4eca\u65e5\u306f\u843d\u3061\u305f\u3002\u6628\u65e5\u306f EPIPE \u3092\u30ed\u30b0\u306b\u5410\u3044\u3066\u7d9a\u3044\u3066\u305f\u2026\u3069\u3063\u3061\uff1f\u300d<\/p> <p>\u300cBroken pipe \u3063\u3066\u51fa\u305f\u3051\u3069\u3001\u8ab0\u304c\u58ca\u3057\u305f\u306e\uff1f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff1f\u4e0b\u6d41\uff1f\u300d<\/p> <p>\u3053\u306e\u6df7\u4e71\u306f\u81ea\u7136\u3067\u3059\u3002SIGPIPE \u306e\u6271\u3044\u304c <strong>\u8a00\u8a9e\u30fb\u30e9\u30a4\u30d6\u30e9\u30ea\u30fb\u5b9f\u88c5<\/strong>\u3067\u9055\u3046\u305f\u3081\u3001\u898b\u3048\u65b9\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u30b7\u30f3\u30d7\u30eb\u306b\u8a00\u3046\u3068\uff1aSIGPIPE \u3092\u907f\u3051\u3066\u3082 EPIPE \u306f\u6b8b\u308b<\/h3> <p>\u6574\u7406\u3059\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <ul> <li><strong>SIGPIPE \u3092\u53d7\u3051\u308b<\/strong>\uff1a\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3059\u308b\uff08\u30ed\u30b0\u304c\u6b8b\u3089\u306a\u3044\u3053\u3068\u3082\u3042\u308b\uff09<\/li> <li><strong>SIGPIPE \u3092\u7121\u8996\/\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3059\u308b<\/strong>\uff1a\u30d7\u30ed\u30bb\u30b9\u306f\u7d9a\u304f\u304c\u3001write \u306f\u5931\u6557\u3057 <strong>EPIPE<\/strong> \u304c\u8fd4\u308b<\/li> <\/ul> <p>\u3064\u307e\u308a\u300c\u843d\u3061\u306a\u3044\u3088\u3046\u306b\u3057\u305f\u3044\u300d\u5834\u5408\u3001SIGPIPE \u306e\u6271\u3044\u3092\u5909\u3048\u308b\u306e\u306f\u6709\u52b9\u3067\u3059\u3002\u305f\u3060\u3057\u305d\u308c\u306f <strong>\u201c\u30ea\u30bb\u30c3\u30c8\u201d<\/strong>\u3067\u306f\u306a\u304f\u3001<strong>\u201c\u6b63\u3057\u304f\u5931\u6557\u3092\u6271\u3048\u308b\u72b6\u614b\u306b\u3059\u308b\u201d<\/strong>\u305f\u3081\u306e\u6e96\u5099\u3067\u3059\u3002EPIPE \u3092\u63e1\u308a\u3064\u3076\u3059\u3068\u3001\u30c7\u30fc\u30bf\u6b20\u843d\u3084\u90e8\u5206\u5931\u6557\u304c\u9759\u304b\u306b\u9032\u3080\u306e\u3067\u5371\u967a\u3067\u3059\u3002<\/p> <h3>\u30b7\u30a7\u30eb\/\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u306e\u5178\u578b\uff1a\u4e0b\u6d41\u304c\u5148\u306b\u7d42\u308f\u308b\u3068\u4e0a\u6d41\u306f SIGPIPE \u306b\u306a\u308a\u3084\u3059\u3044<\/h3> <p>\u305f\u3068\u3048\u3070\u300c\u5927\u91cf\u51fa\u529b\u3092 head \u3067\u9014\u4e2d\u3067\u6253\u3061\u5207\u308b\u300d\u3088\u3046\u306a\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u306f\u3001\u4e0b\u6d41\u304c\u65e9\u671f\u7d42\u4e86\u3057\u307e\u3059\u3002\u3059\u308b\u3068\u4e0a\u6d41\u306f\u300c\u3082\u3046\u53d7\u3051\u624b\u304c\u3044\u306a\u3044\u300d\u72b6\u614b\u3067\u66f8\u304d\u7d9a\u3051\u3088\u3046\u3068\u3057\u3066 SIGPIPE\/EPIPE \u306b\u5230\u9054\u3057\u307e\u3059\u3002<\/p> <p>\u307e\u305f\u3001\u30b7\u30a7\u30eb\u306e\u4e16\u754c\u3067\u306f\u300c\u30b7\u30b0\u30ca\u30eb\u3067\u7d42\u4e86\u3057\u305f\u30d7\u30ed\u30bb\u30b9\u300d\u3092 <strong>128 + \u30b7\u30b0\u30ca\u30eb\u756a\u53f7<\/strong> \u306e\u7d42\u4e86\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8868\u73fe\u3059\u308b\u6163\u7fd2\u304c\u3042\u308a\u3001SIGPIPE(13) \u306a\u3089 <strong>141<\/strong> \u306e\u3088\u3046\u306b\u898b\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\uff08\u74b0\u5883\u30fb\u5b9f\u88c5\u5dee\u306f\u3042\u308a\u307e\u3059\uff09\u3002\u3053\u306e\u3042\u305f\u308a\u3092\u77e5\u3089\u306a\u3044\u3068\u3001\u539f\u56e0\u306e\u8b70\u8ad6\u304c\u904e\u71b1\u3057\u3084\u3059\u3044\u306e\u3067\u3001\u307e\u305a\u306f\u5171\u901a\u8a00\u8a9e\u3068\u3057\u3066\u62bc\u3055\u3048\u3066\u304a\u304f\u3068 \u201c\u7a7a\u6c17\u3092\u843d\u3061\u7740\u304b\u305b\u308b\u201d \u306e\u306b\u52b9\u304d\u307e\u3059\u3002<\/p> <h3>\u3053\u3053\u307e\u3067\u306e\u7d50\u8ad6\uff1aEPIPE \u306f\u300c\u72af\u4eba\u300d\u3067\u306f\u306a\u304f\u300c\u5883\u754c\u6761\u4ef6\u300d<\/h3> <p>EPIPE \u306f\u3001\u3042\u308b\u610f\u5473\u3067 <strong>\u30b7\u30b9\u30c6\u30e0\u5883\u754c\uff08\u76f8\u624b\u304c\u5148\u306b\u9589\u3058\u305f\uff09<\/strong>\u3092\u77e5\u3089\u305b\u3066\u304f\u308c\u308b\u30b5\u30a4\u30f3\u3067\u3059\u3002\u3060\u304b\u3089\u672c\u5f53\u306b\u3084\u308b\u3079\u304d\u306f\u3001<\/p> <ul> <li>\u300c\u76f8\u624b\u304c\u9589\u3058\u308b\u7406\u7531\u300d\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u518d\u8d77\u52d5\u3001\u51e6\u7406\u7d42\u4e86\u3001\u30a8\u30e9\u30fc\uff09\u3092\u7279\u5b9a\u3059\u308b<\/li> <li>\u9589\u3058\u3066\u3082\u554f\u984c\u304c\u8d77\u304d\u306a\u3044\u8a2d\u8a08\uff08\u518d\u8a66\u884c\u3001\u51aa\u7b49\u3001\u5206\u5272\u3001\u76e3\u8996\uff09\u306b\u5bc4\u305b\u308b<\/li> <\/ul> <p>\u3068\u3044\u3046\u65b9\u5411\u3067\u3059\u3002\u6b21\u306e\u7ae0\u304b\u3089\u3001\u30d1\u30a4\u30d7\u4ee5\u5916\uff08\u30bd\u30b1\u30c3\u30c8\/SSH\/HTTP\/\u30d7\u30ed\u30ad\u30b7\uff09\u307e\u3067\u542b\u3081\u3066\u3001EPIPE \u304c \u201c\u3069\u3053\u3067\u5207\u308c\u305f\u7d50\u679c\u306a\u306e\u304b\u201d \u3092\u8ffd\u3048\u308b\u5f62\u306b\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec04\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u30d1\u30a4\u30d7\u3060\u3051\u3058\u3083\u306a\u3044\uff1a\u30bd\u30b1\u30c3\u30c8\/SSH\/HTTP \u3067\u3082\u8d77\u304d\u308b\u300c\u7247\u5074\u304c\u5148\u306b\u9589\u3058\u305f\u300d\u73fe\u5b9f<\/h2> <p>EPIPE(32) \u306f \u201c\u30d1\u30a4\u30d7\u901a\u4fe1\u5207\u65ad\u201d \u3068\u3044\u3046\u8a00\u3044\u56de\u3057\u3067\u8a9e\u3089\u308c\u304c\u3061\u3067\u3059\u304c\u3001\u73fe\u5834\u3067\u906d\u9047\u3059\u308b Broken pipe \u306e\u591a\u304f\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u9593\u30d1\u30a4\u30d7\u3088\u308a\u3082 <strong>\u30bd\u30b1\u30c3\u30c8\u7cfb<\/strong>\uff08TCP\/UNIX domain socket\uff09\u3084\u3001\u305d\u306e\u4e0a\u306b\u4e57\u308b <strong>SSH\/HTTP<\/strong> \u3067\u8d77\u304d\u307e\u3059\u3002\u3053\u3053\u3092\u8aa4\u89e3\u3059\u308b\u3068\u3001\u300c\u30b7\u30a7\u30eb\u306e\u30d1\u30a4\u30d7\u306e\u554f\u984c\u300d\u3068\u6c7a\u3081\u6253\u3061\u3057\u3066\u3057\u307e\u3044\u3001\u8abf\u67fb\u304c\u9060\u56de\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <h3>\u5fc3\u306e\u4f1a\u8a71\uff08\u3053\u3053\u3067\u30ba\u30ec\u304c\u51fa\u308b\uff09<\/h3> <p>\u300c\u30d1\u30a4\u30d7\u3063\u3066\u66f8\u3044\u3066\u3042\u308b\u3093\u3060\u304b\u3089\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u3069\u3053\u304b\u3067\u3057\u3087\uff1f\u300d<\/p> <p>\u300c\u3044\u3084\u3001\u30a2\u30d7\u30ea\u306f HTTP \u3060\u3057\u2026\u306a\u3093\u3067 EPIPE \u306a\u3093\u3060\uff1f\u300d<\/p> <p>\u3053\u306e\u30ba\u30ec\u3082\u81ea\u7136\u3067\u3059\u3002Linux \u306e \u201cBroken pipe\u201d \u306f\u3001\u3042\u304f\u307e\u3067 <strong>\u66f8\u304d\u8fbc\u307f\u5148\u304c\u6210\u7acb\u3057\u306a\u3044<\/strong>\u3068\u3044\u3046\u72b6\u614b\u3092\u8868\u3059\u3053\u3068\u304c\u591a\u304f\u3001\u901a\u4fe1\u304c\u30d1\u30a4\u30d7\u304b\u30bd\u30b1\u30c3\u30c8\u304b\u306f\u4e8c\u6b21\u7684\u3067\u3059\u3002<\/p> <hr> <h3>\u5178\u578b\uff1a\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\/\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u304c \u201c\u5148\u306b\u9589\u3058\u308b\u201d<\/h3> <p>HTTP \u3092\u6271\u3046\u69cb\u6210\u3067\u306f\u3001\u30a2\u30d7\u30ea\u306e\u524d\u6bb5\u306b Nginx \u3084 Envoy\u3001L7 \u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u3001CDN \u7b49\u304c\u3044\u308b\u3053\u3068\u304c\u666e\u901a\u3067\u3059\u3002\u3053\u306e\u3068\u304d\u3001\u6b21\u306e\u3088\u3046\u306a\u6d41\u308c\u3067 \u201c\u7247\u5074\u304c\u5148\u306b\u9589\u3058\u305f\u201d \u304c\u8d77\u3053\u308a\u307e\u3059\u3002<\/p> <ul> <li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30d6\u30e9\u30a6\u30b6\/\u30d0\u30c3\u30c1\uff09\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u3001\u5148\u306b\u63a5\u7d9a\u3092\u9589\u3058\u308b<\/li> <li>\u30d7\u30ed\u30ad\u30b7\u304c <strong>idle timeout<\/strong> \u3084 <strong>upstream timeout<\/strong> \u3067\u63a5\u7d9a\u3092\u9589\u3058\u308b<\/li> <li>\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\uff08\u30a2\u30d7\u30ea\uff09\u306f\u51e6\u7406\u3092\u7d9a\u3051\u3001\u6700\u5f8c\u306b\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u66f8\u3053\u3046\u3068\u3057\u3066\u5931\u6557\u3059\u308b<\/li> <\/ul> <p>\u3053\u306e\u5834\u5408\u3001\u30a2\u30d7\u30ea\u5074\u306e\u30ed\u30b0\u306b\u306f \u201c\u66f8\u3051\u306a\u304b\u3063\u305f\u201d \u3068\u3044\u3046\u7d50\u679c\u3060\u3051\u304c\u6b8b\u308a\u3001\u539f\u56e0\u306f\u30d7\u30ed\u30ad\u30b7\u5074\u306e\u8a2d\u5b9a\u30fb\u7d4c\u8def\u30fb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306b\u3042\u308b\u3001\u3068\u3044\u3046\u69cb\u56f3\u304c\u6210\u7acb\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001EPIPE \u306f <strong>\u75c7\u72b6\u306e\u6700\u5f8c<\/strong>\u3067\u3042\u308a\u3001\u539f\u56e0\u306f\u6570\u5341\u79d2\u301c\u6570\u5206\u524d\u306b\u8d77\u304d\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <h3>\u5178\u578b\uff1aSSH \u306e keepalive \u4e0d\u4e00\u81f4\u3067 \u201c\u9759\u304b\u306b\u5207\u308c\u3066\u3001\u66f8\u3044\u305f\u77ac\u9593\u306b\u30d0\u30ec\u308b\u201d<\/h3> <p>SSH \u30c8\u30f3\u30cd\u30eb\u3084\u30ea\u30e2\u30fc\u30c8\u5b9f\u884c\u3092\u591a\u7528\u3059\u308b\u74b0\u5883\u3067\u306f\u3001keepalive \u306e\u8a2d\u5b9a\u5dee\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u7ba1\u7406\u3067\u3001\u63a5\u7d9a\u304c \u201c\u898b\u3048\u306a\u3044\u5f62\u201d \u3067\u5207\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3059\u308b\u3068\u3001<\/p> <ul> <li>\u30b3\u30de\u30f3\u30c9\u306f\u52d5\u3044\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u308b<\/li> <li>\u51fa\u529b\u3092\u9001\u308d\u3046\u3068\u3057\u305f\u77ac\u9593\u306b Broken pipe \u306b\u306a\u308b<\/li> <\/ul> <p>\u3068\u3044\u3046\u5f62\u3067\u767a\u899a\u3057\u307e\u3059\u3002\u7279\u306b NAT \u914d\u4e0b\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8d8a\u3057\u3001\u30af\u30e9\u30a6\u30c9\u306e\u7d4c\u8def\u5909\u66f4\u306a\u3069\u304c\u3042\u308b\u3068\u3001\u518d\u73fe\u6027\u304c\u4f4e\u304f\u3001\u8b70\u8ad6\u304c\u904e\u71b1\u3057\u304c\u3061\u3067\u3059\u3002<\/p> <hr> <h3>\u201c\u3069\u3053\u304c\u5148\u306b\u9589\u3058\u305f\u304b\u201d \u3092\u898b\u629c\u304f\u305f\u3081\u306e\u89b3\u5bdf\u30dd\u30a4\u30f3\u30c8<\/h3> <p>\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001EPIPE \u3092\u898b\u305f\u3089\u300c\u9001\u4fe1\u5074\u3060\u3051\u300d\u3092\u898b\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u6b21\u306e\u89b3\u6e2c\u70b9\u3092\u63c3\u3048\u308b\u3068\u3001\u93ae\u706b\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <ul> <li><strong>\u524d\u6bb5\uff08LB\/\u30d7\u30ed\u30ad\u30b7\uff09\u306e\u30ed\u30b0<\/strong>\uff1aupstream timeout \/ client closed \/ reset \u306a\u3069\u306e\u8a18\u9332<\/li> <li><strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u6319\u52d5<\/strong>\uff1a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5024\u3001\u30ea\u30c8\u30e9\u30a4\u6709\u7121\u3001\u30ad\u30e3\u30f3\u30bb\u30eb\u304c\u767a\u751f\u3057\u3066\u3044\u306a\u3044\u304b<\/li> <li><strong>\u30a2\u30d7\u30ea\u306e\u51e6\u7406\u6642\u9593\u5206\u5e03<\/strong>\uff1ap95\/p99 \u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8d85\u3048\u3066\u3044\u306a\u3044\u304b<\/li> <li><strong>\u63a5\u7d9a\u306e\u5bff\u547d<\/strong>\uff1akeepalive\/idle timeout \u306e\u6574\u5408\u6027<\/li> <\/ul> <p>\u3064\u307e\u308a \u201cEPIPE \u3092\u76f4\u3059\u201d \u3068\u3044\u3046\u3088\u308a\u3001<strong>\u63a5\u7d9a\u3092\u9589\u3058\u308b\u5074\u306e\u30eb\u30fc\u30eb\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u5bff\u547d\uff09\u3068\u3001\u51e6\u7406\u6642\u9593\u3084\u9001\u4fe1\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u6574\u5408<\/strong>\u3092\u53d6\u308b\u3001\u3068\u3044\u3046\u8996\u70b9\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p> <h3>\u307e\u3068\u3081\uff08\u7b2c4\u7ae0\uff09\uff1aEPIPE \u306e\u4e3b\u6226\u5834\u306f\u300c\u5883\u754c\uff08\u30d7\u30ed\u30ad\u30b7\/\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff09\u300d<\/h3> <p>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u8a71\u3060\u3051\u3067\u7d42\u308f\u3089\u305b\u308b\u3068\u3001\u73fe\u5834\u3067\u306f\u5916\u3057\u307e\u3059\u3002EPIPE \u306f\u3001\u30a2\u30d7\u30ea\u30fb\u30df\u30c9\u30eb\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5883\u754c\u3067\u8d77\u304d\u308b \u201c\u5408\u610f\u4e0d\u6210\u7acb\u201d \u306e\u30b5\u30a4\u30f3\u3067\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001\u5b9f\u969b\u306b\u73fe\u5834\u3067\u591a\u3044\u30d1\u30bf\u30fc\u30f3\uff08curl|grep\u3001rsync\u3001Nginx\u3001systemd \u7b49\uff09\u306b\u5bc4\u305b\u3066\u3001\u3069\u3053\u3092\u898b\u308c\u3070\u65e9\u304f\u53ce\u675f\u3059\u308b\u304b\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec05\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u73fe\u5834\u306e\u5178\u578b\u30d1\u30bf\u30fc\u30f3\uff1acurl|grep\u3001rsync\u3001nginx\u3001systemd \u3067\u898b\u3048\u308b Broken pipe<\/h2> <p>\u3053\u3053\u304b\u3089\u306f \u201c\u3042\u308b\u3042\u308b\u201d \u3092\u5177\u4f53\u5316\u3057\u307e\u3059\u3002EPIPE \u306f\u62bd\u8c61\u5ea6\u304c\u9ad8\u3044\u30a8\u30e9\u30fc\u306a\u306e\u3067\u3001\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u306b\u843d\u3068\u3059\u3068\u3001\u8abf\u67fb\u306e\u521d\u52d5\u304c\u4e00\u6c17\u306b\u901f\u304f\u306a\u308a\u307e\u3059\u3002\u9006\u306b\u3001\u5178\u578b\u3092\u77e5\u3089\u306a\u3044\u3068\u6bce\u56de\u30bc\u30ed\u304b\u3089\u63a8\u7406\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u3001\u640d\u5931\u304c\u7a4d\u307f\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p> <h3>\u30d1\u30bf\u30fc\u30f31\uff1a\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u4e0b\u6d41\u304c\u5148\u306b\u7d42\u308f\u308b\uff08grep\/head\/sed \u306a\u3069\uff09<\/h3> <p>\u5927\u91cf\u306e\u51fa\u529b\u3092\u4e0b\u6d41\u304c\u9014\u4e2d\u3067\u6253\u3061\u5207\u308b\u3068\u3001\u4e0a\u6d41\u306f\u300c\u307e\u3060\u66f8\u3051\u308b\u3068\u601d\u3063\u3066\u300d\u66f8\u304d\u7d9a\u3051\u3001\u7d50\u679c\u3068\u3057\u3066 Broken pipe \u3092\u8e0f\u307f\u307e\u3059\u3002\u3053\u3053\u3067\u306f \u201c\u4e0b\u6d41\u304c\u60aa\u3044\u201d \u3068\u3044\u3046\u8a71\u3067\u306f\u306a\u304f\u3001<strong>\u4e0b\u6d41\u304c\u65e9\u671f\u7d42\u4e86\u3059\u308b\u306e\u306f\u81ea\u7136<\/strong>\u3067\u3001\u4e0a\u6d41\u304c\u305d\u308c\u3092\u524d\u63d0\u306b\u3067\u304d\u3066\u3044\u306a\u3044\u3068\u8868\u9762\u5316\u3057\u307e\u3059\u3002<\/p> <ul> <li>\u75c7\u72b6\uff1a\u4e0a\u6d41\u304c \u201cBroken pipe\u201d \u3092\u51fa\u3057\u3066\u7d42\u4e86\u3001\u3042\u308b\u3044\u306f SIGPIPE \u3067\u843d\u3061\u308b<\/li> <li>\u672c\u8cea\uff1a\u4e0b\u6d41\u304c\u300c\u3082\u3046\u8981\u3089\u306a\u3044\u300d\u3068\u8a00\u3063\u305f\uff08\u53d7\u3051\u53d6\u308a\u505c\u6b62\uff09<\/li> <li>\u5b9f\u52d9\uff1a\u30ed\u30b0\u306e\u30ce\u30a4\u30ba\u306a\u3089 \u201c\u60f3\u5b9a\u901a\u308a\u201d \u3068\u6271\u3044\u3001\u7570\u5e38\u76e3\u8996\u5bfe\u8c61\u304b\u3089\u5916\u3059\u5224\u65ad\u3082\u3042\u308b<\/li> <\/ul> <p>\u305f\u3060\u3057\u3001\u3053\u308c\u304c\u30d0\u30c3\u30c1\u306e\u91cd\u8981\u7d4c\u8def\u306b\u6df7\u3056\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u60f3\u5b9a\u901a\u308a\u3068\u6c7a\u3081\u308b\u524d\u306b \u201c\u3069\u306e\u51fa\u529b\u304c\u5931\u308f\u308c\u305f\u304b\u201d \u3092\u8a55\u4fa1\u3059\u3079\u304d\u3067\u3059\u3002<\/p> <hr> <h3>\u30d1\u30bf\u30fc\u30f32\uff1arsync\/scp \u306e\u8ee2\u9001\u4e2d\u65ad\uff08\u56de\u7dda\u30fb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u30fb\u76f8\u624b\u90fd\u5408\uff09<\/h3> <p>\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u3067\u306f\u3001\u76f8\u624b\u5074\u304c\u5148\u306b\u5207\u308b\u30fb\u4e2d\u7d99\u304c\u5207\u308b\u30fb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5207\u308b\u3001\u304c\u8d77\u304d\u3084\u3059\u3044\u3067\u3059\u3002\u7279\u306b\u5927\u5bb9\u91cf\u3084\u591a\u6570\u30d5\u30a1\u30a4\u30eb\u3001\u6df7\u96d1\u6642\u9593\u5e2f\u3067\u306f\u9855\u5728\u5316\u3057\u307e\u3059\u3002<\/p> <ul> <li>\u75c7\u72b6\uff1a\u8ee2\u9001\u304c\u9014\u4e2d\u3067\u6b62\u307e\u308a\u3001Broken pipe \u3084 write error \u304c\u898b\u3048\u308b<\/li> <li>\u672c\u8cea\uff1a\u30bb\u30c3\u30b7\u30e7\u30f3\u5bff\u547d\u3001keepalive\u3001\u307e\u305f\u306f\u76f8\u624b\u5074\u306e\u8ca0\u8377\u5236\u5fa1\u30fb\u518d\u8d77\u52d5<\/li> <li>\u5b9f\u52d9\uff1a\u518d\u8a66\u884c\u3001\u5206\u5272\u3001\u518d\u958b\uff08\u30ec\u30b8\u30e5\u30fc\u30e0\uff09\u8a2d\u8a08\u304c \u201c\u88ab\u5bb3\u6700\u5c0f\u5316\u201d \u306b\u52b9\u304f<\/li> <\/ul> <p>\u300c\u8ee2\u9001\u304c\u5931\u6557\u3057\u305f\uff1d\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u60aa\u3044\u300d\u3068\u77ed\u7d61\u3057\u304c\u3061\u3067\u3059\u304c\u3001\u76f8\u624b\u5074\u306e\u5236\u9650\uff08\u540c\u6642\u63a5\u7d9a\u6570\u3001\u30a2\u30a4\u30c9\u30eb\u5207\u65ad\u3001\u5e2f\u57df\u5236\u5fa1\uff09\u3082\u73fe\u5b9f\u3068\u3057\u3066\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u30d1\u30bf\u30fc\u30f33\uff1anginx \u306e upstream timeout \/ client closed \u3068\u30a2\u30d7\u30ea\u306e EPIPE<\/h3> <p>HTTP \u3067\u306f\u3001\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u975e\u5e38\u306b\u591a\u3044\u3067\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u89b3\u6e2c\u70b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u3088\u304f\u3042\u308b\u30ed\u30b0<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u793a\u5506<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">Nginx<\/td> <td style=\"border:1px solid #999; padding:8px;\">upstream timed out \/ client prematurely closed connection<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u524d\u6bb5\u304c\u5148\u306b\u9589\u3058\u305f\u53ef\u80fd\u6027\u304c\u9ad8\u3044\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u6574\u5408\u3092\u7591\u3046\uff09<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u30a2\u30d7\u30ea<\/td> <td style=\"border:1px solid #999; padding:8px;\">write failed \/ Broken pipe \/ EPIPE<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u30ec\u30b9\u30dd\u30f3\u30b9\u66f8\u304d\u8fbc\u307f\u6642\u70b9\u3067\u63a5\u7d9a\u304c\u6210\u7acb\u3057\u3066\u3044\u306a\u3044<\/td> <\/tr> <\/table> <p>\u3053\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001\u30a2\u30d7\u30ea\u306e\u4fee\u6b63\u3060\u3051\u3067\u89e3\u6c7a\u3057\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u30d7\u30ed\u30ad\u30b7\u306e timeout \u8a2d\u5b9a\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e timeout\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u51e6\u7406\u6642\u9593\u306e\u4e09\u8005\u3092\u63c3\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u30d1\u30bf\u30fc\u30f34\uff1asystemd \u3067\u306e\u30d1\u30a4\u30d7\u7834\u65ad\uff08journald\/\u6a19\u6e96\u51fa\u529b\u306e\u6271\u3044\uff09<\/h3> <p>systemd \u7ba1\u7406\u4e0b\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u3001\u6a19\u6e96\u51fa\u529b\u30fb\u6a19\u6e96\u30a8\u30e9\u30fc\u304c journald \u7b49\u306b\u63a5\u7d9a\u3055\u308c\u307e\u3059\u3002\u30ed\u30b0\u51fa\u529b\u304c\u5927\u91cf\u306b\u306a\u3063\u305f\u308a\u3001\u60f3\u5b9a\u5916\u306e\u72b6\u6cc1\u3067\u51fa\u529b\u5148\u304c\u9589\u3058\u305f\u308a\u3059\u308b\u3068\u3001\u30a2\u30d7\u30ea\u5074\u306f \u201c\u66f8\u304d\u8fbc\u307f\u5148\u304c\u306a\u3044\u201d \u72b6\u614b\u3092\u8e0f\u3080\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u305f\u3060\u3057\u3001\u3053\u308c\u306f \u201c\u30ed\u30b0\u51fa\u529b\u306b\u4f9d\u5b58\u3057\u305f\u8a2d\u8a08\u201d \u304c\u3042\u308b\u5834\u5408\u306b\u5f71\u97ff\u304c\u5927\u304d\u304f\u3001\u5358\u306b\u30ed\u30b0\u304c\u6b20\u3051\u308b\u3060\u3051\u306a\u3089\u88ab\u5bb3\u306f\u8efd\u5fae\u3067\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001\u30ed\u30b0\u304c\u6b20\u3051\u305f\u3053\u3068\u3067\u969c\u5bb3\u8abf\u67fb\u304c\u96e3\u3057\u304f\u306a\u308a\u3001\u7d50\u679c\u3068\u3057\u3066\u5fa9\u65e7\u304c\u9045\u308c\u308b\u3053\u3068\u3067\u3059\u3002<\/p> <h3>\u307e\u3068\u3081\uff08\u7b2c5\u7ae0\uff09\uff1a\u5178\u578b\u306b\u5f53\u3066\u306f\u3081\u308c\u3070\u3001\u5207\u308a\u5206\u3051\u306f\u534a\u5206\u7d42\u308f\u308b<\/h3> <p>Broken pipe \u306f \u201c\u4e07\u80fd\u30a8\u30e9\u30fc\u201d \u306b\u898b\u3048\u3066\u3001\u5b9f\u52d9\u3067\u306f\u5178\u578b\u30d1\u30bf\u30fc\u30f3\u306b\u5bc4\u308a\u307e\u3059\u3002\u5178\u578b\u306b\u5f53\u3066\u306f\u3081\u3001\u89b3\u6e2c\u70b9\u3092\u5897\u3084\u3057\u3001\u8b70\u8ad6\u306e\u6e29\u5ea6\u3092\u4e0b\u3052\u308b\u3002\u3053\u308c\u304c\u6700\u521d\u306e\u53ce\u675f\u30eb\u30fc\u30c8\u3067\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001\u305d\u306e\u305f\u3081\u306e\u9053\u5177\uff08exit code\u3001strace\u3001lsof\u3001ss\uff09\u3092\u300c\u624b\u9806\u300d\u3068\u3057\u3066\u307e\u3068\u3081\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec06\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u691c\u51fa\u306e\u57fa\u672c\u30bb\u30c3\u30c8\uff1a\u30ed\u30b0\u3001exit code\u3001strace\u3001lsof\u3001ss \u3067\u300c\u8ab0\u304c\u5148\u306b\u9589\u3058\u305f\u304b\u300d\u3092\u8ffd\u3046<\/h2> <p>\u3053\u3053\u304c\u672c\u8a18\u4e8b\u306e \u201c\u4fee\u5fa9\u7b56\u7de8\u201d \u306e\u5fc3\u81d3\u90e8\u3067\u3059\u3002EPIPE \u306e\u89e3\u6c7a\u306f\u3001\u6d3e\u624b\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3088\u308a\u3082\u3001\u5730\u5473\u306a\u89b3\u6e2c\u3068\u5207\u308a\u5206\u3051\u3067\u6c7a\u307e\u308a\u307e\u3059\u3002\u9006\u306b\u8a00\u3046\u3068\u3001\u89b3\u6e2c\u304c\u5f31\u3044\u3068\u3001\u3069\u3093\u306a\u5bfe\u7b56\u3082\u5f53\u305f\u308a\u5916\u308c\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <h3>\u30b9\u30c6\u30c3\u30d71\uff1a\u307e\u305a exit code \u3092\u8aad\u3080\uff08\u843d\u3061\u305f\u306e\u304b\u3001\u5931\u6557\u3092\u8fd4\u3057\u305f\u306e\u304b\uff09<\/h3> <p>\u30b7\u30a7\u30eb\u3084\u30d0\u30c3\u30c1\u306e\u5834\u5408\u3001exit code \u306f\u6700\u521d\u306e\u624b\u304c\u304b\u308a\u3067\u3059\u3002<\/p> <ul> <li>\u30d7\u30ed\u30bb\u30b9\u304c SIGPIPE \u7b49\u306e\u30b7\u30b0\u30ca\u30eb\u3067\u7d42\u4e86\u3057\u3066\u3044\u308b\u3068\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u306b\u7279\u5fb4\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308b<\/li> <li>\u30a2\u30d7\u30ea\u304c EPIPE \u3092\u691c\u77e5\u3057\u3066 \u201c\u30a8\u30e9\u30fc\u3068\u3057\u3066\u8fd4\u3057\u305f\u201d \u5834\u5408\u306f\u3001\u72ec\u81ea\u306e\u7d42\u4e86\u30b3\u30fc\u30c9\u3092\u8fd4\u3059\u3053\u3068\u304c\u591a\u3044<\/li> <\/ul> <p>exit code \u3060\u3051\u3067\u65ad\u5b9a\u306f\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u300c\u843d\u3061\u305f\/\u843d\u3061\u3066\u306a\u3044\u300d\u300c\u30a8\u30e9\u30fc\u51e6\u7406\u304c\u8d70\u3063\u305f\/\u8d70\u3063\u3066\u306a\u3044\u300d\u306e\u5883\u754c\u3092\u4f5c\u308b\u306e\u306b\u4f7f\u3048\u307e\u3059\u3002<\/p> <hr> <h3>\u30b9\u30c6\u30c3\u30d72\uff1astrace \u3067 \u201c\u3069\u306e write \u304c\u5931\u6557\u3057\u305f\u304b\u201d \u3092\u7279\u5b9a\u3059\u308b<\/h3> <p>EPIPE \u306f\u591a\u304f\u306e\u5834\u5408\u3001write\/send \u7cfb\u306e syscall \u306e\u623b\u308a\u5024\u3068\u3057\u3066\u73fe\u308c\u307e\u3059\u3002strace \u3092\u4f7f\u3046\u3068\u300c\u3069\u306e FD\uff08\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\uff09\u306b\u66f8\u3044\u305f\u6642\u306b\u5931\u6557\u3057\u305f\u304b\u300d\u304c\u898b\u3048\u307e\u3059\u3002<\/p> <p>\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001EPIPE \u304c\u51fa\u305f\u6642\u70b9\u306e FD \u304c\u3001<\/p> <ul> <li>\u30d1\u30a4\u30d7\uff08\u533f\u540d\u30d1\u30a4\u30d7\uff09\u306a\u306e\u304b<\/li> <li>\u30bd\u30b1\u30c3\u30c8\uff08TCP\/UNIX domain\uff09\u306a\u306e\u304b<\/li> <li>\u30ed\u30b0\u51fa\u529b\u5148\uff08journald \u306a\u3069\uff09\u306a\u306e\u304b<\/li> <\/ul> <p>\u3092\u898b\u5206\u3051\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3067\u8b70\u8ad6\u306f\u4e00\u6c17\u306b\u53ce\u675f\u65b9\u5411\u306b\u5411\u304b\u3044\u307e\u3059\u3002<\/p> <h3>\u30b9\u30c6\u30c3\u30d73\uff1alsof \u3067 FD \u306e\u6b63\u4f53\u3068\u76f8\u624b\u3092\u78ba\u8a8d\u3059\u308b<\/h3> <p>lsof \u306f\u300c\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u4f55\u3092\u958b\u3044\u3066\u3044\u308b\u304b\u300d\u3092\u898b\u308b\u306e\u306b\u4fbf\u5229\u3067\u3059\u3002FD \u304c\u30d1\u30a4\u30d7\u306a\u306e\u304b\u30bd\u30b1\u30c3\u30c8\u306a\u306e\u304b\u3001\u76f8\u624b\u306e PID \u304c\u898b\u3048\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002EPIPE \u304c \u201c\u3069\u3053\u3078\u306e\u66f8\u304d\u8fbc\u307f\u5931\u6557\u304b\u201d \u304c\u5206\u304b\u308c\u3070\u3001\u6b21\u306b\u898b\u308b\u3079\u304d\u30ed\u30b0\uff08\u4e0b\u6d41\u30d7\u30ed\u30bb\u30b9\/\u63a5\u7d9a\u5148\/\u30d7\u30ed\u30ad\u30b7\uff09\u3082\u78ba\u5b9a\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u30b9\u30c6\u30c3\u30d74\uff1ass \u3067\u63a5\u7d9a\u72b6\u614b\u3092\u8aad\u3080\uff08\u7279\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7cfb\uff09<\/h3> <p>\u30bd\u30b1\u30c3\u30c8\u7cfb\u306e\u5834\u5408\u306f\u3001ss \u3067\u63a5\u7d9a\u72b6\u614b\u3084\u30ad\u30e5\u30fc\u306e\u72b6\u614b\u304c\u898b\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u300c\u63a5\u7d9a\u304c\u3059\u3067\u306b\u9589\u3058\u3089\u308c\u3066\u3044\u308b\u300d\u300c\u30ad\u30e5\u30fc\u304c\u8a70\u307e\u3063\u3066\u3044\u308b\u300d\u306a\u3069\u306e\u5146\u5019\u304c\u898b\u3048\u308b\u3068\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u8f3b\u8f33\uff08\u6df7\u96d1\uff09\u3092\u7591\u3046\u6839\u62e0\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <h3>\u30b9\u30c6\u30c3\u30d75\uff1a\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3092\u4f5c\u308b\uff08\u201c\u5148\u306b\u9589\u3058\u305f\u201d \u3092\u6642\u7cfb\u5217\u3067\u78ba\u5b9a\u3059\u308b\uff09<\/h3> <p>\u6700\u5f8c\u306b\u3084\u308b\u3079\u304d\u306f\u6642\u7cfb\u5217\u3067\u3059\u3002EPIPE \u304c\u51fa\u305f\u6642\u523b\u3060\u3051\u898b\u3066\u3082\u9045\u3044\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3001<\/p> <ul> <li>\u524d\u6bb5\u306e\u30ed\u30b0\uff08\u30d7\u30ed\u30ad\u30b7\/\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff09\u306e\u300c\u9589\u3058\u305f\u300d\u30ed\u30b0<\/li> <li>\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u51e6\u7406\u958b\u59cb\u30fb\u51e6\u7406\u7d42\u4e86<\/li> <li>\u30ea\u30c8\u30e9\u30a4\u3084\u518d\u63a5\u7d9a\u306e\u767a\u751f<\/li> <\/ul> <p>\u3092\u540c\u3058\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u4e0a\u306b\u7f6e\u304f\u3002\u3053\u308c\u304c\u3067\u304d\u308b\u3068\u3001\u4ee5\u964d\u306e\u7ae0\uff08\u539f\u56e0\u306e\u5207\u308a\u5206\u3051\u3001\u5bfe\u7b56\u306e\u8a2d\u8a08\uff09\u304c\u4e00\u6c17\u306b\u73fe\u5b9f\u7684\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <h3>\u307e\u3068\u3081\uff08\u7b2c6\u7ae0\uff09\uff1aEPIPE \u306f \u201c\u89b3\u6e2c\u70b9\u3092\u5897\u3084\u3059\u307b\u3069\u3001\u5358\u7d14\u306a\u8a71\u201d \u306b\u306a\u308b<\/h3> <p>Broken pipe \u3092\u96e3\u3057\u304f\u3059\u308b\u306e\u306f\u3001\u73fe\u8c61\u306e\u62bd\u8c61\u5ea6\u3067\u306f\u306a\u304f\u3001\u89b3\u6e2c\u306e\u4e0d\u8db3\u3067\u3059\u3002\u89b3\u6e2c\u70b9\u3092\u63c3\u3048\u308c\u3070\u3001EPIPE \u306f \u201c\u8ab0\u304c\u5148\u306b\u9589\u3058\u305f\u304b\u201d \u306e\u8a71\u306b\u9084\u5143\u3067\u304d\u307e\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001\u539f\u56e0\u3092\u5177\u4f53\u7684\u306b\u5206\u985e\u3057\u3001\u898b\u5206\u3051\u65b9\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec07\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u539f\u56e0\u306e\u5207\u308a\u5206\u3051\uff1a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\uff0f\u518d\u8d77\u52d5\uff0f\u8a70\u307e\u308a\uff0f\u56de\u7dda\u65ad\u2026\u3092\u300c\u898b\u5206\u3051\u308b\u300d\u305f\u3081\u306e\u578b<\/h2> <p>EPIPE(32) \u306f\u201c\u7d50\u679c\u201d\u306a\u306e\u3067\u3001\u539f\u56e0\u3092 1 \u500b\u306b\u65ad\u5b9a\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u8ff7\u5b50\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u73fe\u5834\u3067\u591a\u3044\u539f\u56e0\u3092<strong>\u5206\u985e<\/strong>\u3057\u3001\u300c\u3069\u3046\u898b\u5206\u3051\u308b\u304b\u300d\u3092\u578b\u3068\u3057\u3066\u6301\u3063\u3066\u304a\u304f\u3053\u3068\u3067\u3001\u8abf\u67fb\u3092\u65e9\u304f\u53ce\u675f\u3055\u305b\u307e\u3059\u3002<\/p> <h3>\u5fc3\u306e\u4f1a\u8a71\uff08\u3053\u3053\u304c\u4e00\u756a\u3057\u3093\u3069\u3044\uff09<\/h3> <p>\u300c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u60aa\u3044\u3063\u3066\u8a00\u3048\u3070\u65e9\u3044\u3051\u3069\u3001\u305f\u3076\u3093\u9055\u3046\u3088\u306a\u2026\u300d<\/p> <p>\u300c\u30a2\u30d7\u30ea\u3092\u7591\u3046\u3068\u4fee\u6b63\u30b3\u30b9\u30c8\u304c\u91cd\u3044\u3002\u3067\u3082\u8a2d\u5b9a\u3060\u3051\u3067\u3082\u76f4\u3089\u306a\u3044\u6c17\u3082\u3059\u308b\u2026\u300d<\/p> <p>\u3053\u3046\u3044\u3046\u201c\u8ff7\u3044\u201d\u304c\u51fa\u308b\u306e\u306f\u6b63\u5e38\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u307e\u305a\u306f<strong>\u89b3\u6e2c\u3067\u304d\u308b\u4e8b\u5b9f<\/strong>\u304b\u3089\u5206\u985e\u3057\u3066\u3001\u8b70\u8ad6\u306e\u6e29\u5ea6\u3092\u4e0b\u3052\u307e\u3059\u3002<\/p> <hr> <h3>\u307e\u305a\u5927\u67a0\uff1aEPIPE \u3092\u751f\u30805\u3064\u306e\u5178\u578b\u539f\u56e0<\/h3> <ul> <li><strong>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<\/strong>\uff1a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff0f\u30d7\u30ed\u30ad\u30b7\uff0fLB \u304c\u5148\u306b\u8ae6\u3081\u3066\u9589\u3058\u305f<\/li> <li><strong>\u518d\u8d77\u52d5\u30fb\u30d7\u30ed\u30bb\u30b9\u7d42\u4e86<\/strong>\uff1a\u63a5\u7d9a\u5148\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u305f\u30fb\u66f4\u65b0\u3067\u5165\u308c\u66ff\u308f\u3063\u305f<\/li> <li><strong>\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\uff08\u8a70\u307e\u308a\uff09<\/strong>\uff1a\u4e0b\u6d41\u304c\u8aad\u3081\u305a\u3001\u4e0a\u6d41\u304c\u66f8\u3051\u306a\u304f\u306a\u3063\u3066\u7834\u7dbb\u3057\u305f<\/li> <li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u65ad\u30fb\u7d4c\u8def\u88c5\u7f6e<\/strong>\uff1aNAT\/Firewall\/LB \u304c\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u5207\u3063\u305f\uff08\u5bff\u547d\u30fb\u5236\u9650\uff09<\/li> <li><strong>\u8a2d\u8a08\u4e0a\u306e\u65e9\u671f\u7d42\u4e86<\/strong>\uff1a\u4e0b\u6d41\u304c\u300c\u3082\u3046\u8981\u3089\u306a\u3044\u300d\u3068\u7d42\u4e86\uff08\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3067\u983b\u51fa\uff09<\/li> <\/ul> <h3>\u201c\u898b\u5206\u3051\u201d\u306e\u65e9\u898b\u8868\uff08\u8868\uff09<\/h3> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u7591\u3046\u539f\u56e0<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u3088\u304f\u3042\u308b\u5146\u5019<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u6700\u521d\u306b\u898b\u308b\u3079\u304d\u89b3\u6e2c\u70b9<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u4e00\u5b9a\u79d2\u6570\u3067\u518d\u73fe\u3001p95\/p99 \u304c\u5883\u754c\u3092\u8d8a\u3048\u308b<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u30d7\u30ed\u30ad\u30b7\/LB\u30ed\u30b0\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a2d\u5b9a\u3001\u51e6\u7406\u6642\u9593\u5206\u5e03<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u518d\u8d77\u52d5\u30fb\u7d42\u4e86<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u30c7\u30d7\u30ed\u30a4\u76f4\u5f8c\u306b\u5897\u3048\u308b\u3001\u7279\u5b9a\u30ce\u30fc\u30c9\/Pod\u3067\u504f\u308b<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u518d\u8d77\u52d5\u5c65\u6b74\u3001\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3001\u63a5\u7d9a\u30c9\u30ec\u30a4\u30f3\u8a2d\u5b9a<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u8a70\u307e\u308a<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u8ca0\u8377\u6642\u306b\u5897\u3048\u308b\u3001\u30ad\u30e5\u30fc\u5897\u5927\u3001\u9045\u5ef6\u304c\u5897\u3048\u308b<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u30ad\u30e5\u30fc\u9577\/\u30e1\u30e2\u30ea\/FD\u3001ss\u306e\u9001\u53d7\u4fe1\u30ad\u30e5\u30fc\u3001\u30b9\u30ec\u30c3\u30c9\u67af\u6e07<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u7d4c\u8def\u88c5\u7f6e<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u30a2\u30a4\u30c9\u30eb\u6642\u9593\u3067\u5207\u308c\u308b\u3001\u7279\u5b9a\u7d4c\u8def\u3067\u306e\u307f\u767a\u751f<\/td> <td style=\"border:1px solid #999; padding:8px;\">NAT\/Firewall\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u5bff\u547d\u3001keepalive\u6574\u5408<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u65e9\u671f\u7d42\u4e86<\/td> <td style=\"border:1px solid #999; padding:8px;\">head\/grep\u306a\u3069\u3067\u201c\u9014\u4e2d\u3067\u7d42\u308f\u308b\u201d\u306e\u304c\u6b63\u5e38<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u69cb\u9020\u3001SIGPIPE\u306e\u6271\u3044\u3001\u671f\u5f85\u4ed5\u69d8<\/td> <\/tr> <\/table> <hr> <h3>\u5207\u308a\u5206\u3051\u306e\u30b3\u30c4\uff1a\u307e\u305a\u300c\u4e00\u5b9a\u5468\u671f\u304b\u300d\u300c\u504f\u308a\u304c\u3042\u308b\u304b\u300d\u3060\u3051\u898b\u308b<\/h3> <p>\u73fe\u5834\u3067\u6700\u77ed\u3067\u52b9\u304f\u306e\u306f\u3001\u6b21\u306e2\u70b9\u3067\u3059\u3002<\/p> <ul> <li><strong>\u4e00\u5b9a\u5468\u671f\u3067\u518d\u767a\u3059\u308b\u304b<\/strong>\uff1aYes \u306a\u3089\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u30bb\u30c3\u30b7\u30e7\u30f3\u5bff\u547d\u304c\u6fc3\u539a<\/li> <li><strong>\u7279\u5b9a\u30ce\u30fc\u30c9\/\u7279\u5b9a\u7d4c\u8def\u306b\u504f\u308b\u304b<\/strong>\uff1aYes \u306a\u3089\u518d\u8d77\u52d5\u30fb\u7279\u5b9a\u8a2d\u5b9a\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u8def\u304c\u6fc3\u539a<\/li> <\/ul> <p>\u3053\u306e2\u70b9\u3060\u3051\u3067\u3001\u624b\u5f53\u305f\u308a\u6b21\u7b2c\u306e\u8abf\u67fb\u3092\u907f\u3051\u3089\u308c\u307e\u3059\u3002EPIPE \u306f\u300c\u539f\u56e0\u304c\u5206\u304b\u3089\u306a\u3044\u300d\u306e\u3067\u306f\u306a\u304f\u3001\u300c\u539f\u56e0\u304c\u8907\u6570\u3042\u308a\u5f97\u308b\u300d\u3060\u3051\u306a\u306e\u3067\u3001\u5206\u985e\u3057\u3066\u6291\u3048\u8fbc\u307f\u306b\u3044\u304f\u306e\u304c\u6b63\u653b\u6cd5\u3067\u3059\u3002<\/p> <h3>\u307e\u3068\u3081\uff08\u7b2c7\u7ae0\uff09\uff1aEPIPE \u306f\u201c\u5206\u985e\u201d\u3059\u308b\u3068\u30d6\u30ec\u30fc\u30ad\u304c\u8e0f\u3081\u308b<\/h3> <p>\u539f\u56e0\u306e\u5019\u88dc\u3092\u5206\u985e\u3057\u3001\u5146\u5019\u3068\u89b3\u6e2c\u70b9\u3092\u30bb\u30c3\u30c8\u3067\u6301\u3064\u3068\u3001\u8b70\u8ad6\u304c\u904e\u71b1\u3057\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002\u6b21\u7ae0\u3067\u306f\u3001\u539f\u56e0\u304c\u4f55\u3067\u3042\u308c\u5171\u901a\u3057\u3066\u52b9\u304f\u300c\u30a2\u30d7\u30ea\u5074\u306e\u8a2d\u8a08\u30fb\u5b9f\u88c5\u300d\u306e\u5bfe\u7b56\uff08SIGPIPE\/EPIPE \u3092\u6b63\u3057\u304f\u6271\u3046\uff09\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec08\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u4fee\u5fa9\u7b56\uff08\u30a2\u30d7\u30ea\u5074\uff09\uff1aSIGPIPE \u3092\u6050\u308c\u305a\u3001EPIPE \u3092\u201c\u8a2d\u8a08\u306e\u5165\u529b\u201d\u3068\u3057\u3066\u6271\u3046<\/h2> <p>\u30a2\u30d7\u30ea\u5074\u306e\u5bfe\u7b56\u306f\u300cEPIPE \u3092\u51fa\u3055\u306a\u3044\u300d\u3067\u306f\u306a\u304f\u3001<strong>EPIPE \u304c\u51fa\u3066\u3082\u696d\u52d9\u304c\u58ca\u308c\u306a\u3044<\/strong>\u72b6\u614b\u306b\u5bc4\u305b\u308b\u3053\u3068\u3067\u3059\u3002\u901a\u4fe1\u306f\u5fc5\u305a\u5207\u308c\u307e\u3059\u3002\u554f\u984c\u306f\u201c\u5207\u308c\u305f\u3068\u304d\u306b\u4f55\u304c\u8d77\u304d\u308b\u304b\u201d\u3067\u3059\u3002<\/p> <h3>\u5fc3\u306e\u4f1a\u8a71\uff08\u5c0e\u5165\u304c\u5acc\u308f\u308c\u308b\u7406\u7531\uff09<\/h3> <p>\u300c\u307e\u305f\u4f8b\u5916\u51e6\u7406\u304c\u5897\u3048\u308b\u306e\u304b\u2026\u904b\u7528\u304c\u91cd\u304f\u306a\u308b\u3060\u3051\u3067\u306f\uff1f\u300d<\/p> <p>\u300c\u30ea\u30c8\u30e9\u30a4\u3063\u3066\u3001\u4e8c\u91cd\u5b9f\u884c\u3068\u304b\u4e8b\u6545\u306e\u5302\u3044\u304c\u3059\u308b\u2026\u300d<\/p> <p>\u305d\u306e\u8b66\u6212\u306f\u6b63\u3057\u3044\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u95c7\u96f2\u306a\u30ea\u30c8\u30e9\u30a4\u3067\u306f\u306a\u304f\u3001<strong>\u51aa\u7b49\u6027\uff08idempotency\uff09<\/strong>\u3084<strong>\u518d\u8a66\u884c\u5883\u754c<\/strong>\u3092\u8a2d\u8a08\u306b\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p> <hr> <h3>\u5bfe\u7b561\uff1aSIGPIPE\/EPIPE \u306e\u6271\u3044\u3092\u660e\u793a\u3059\u308b\uff08\u843d\u3061\u65b9\u3092\u7d71\u4e00\u3059\u308b\uff09<\/h3> <p>\u540c\u3058\u201c\u5207\u65ad\u201d\u3067\u3082\u3001\u3042\u308b\u74b0\u5883\u3067\u306f\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86\u3057\u3001\u5225\u306e\u74b0\u5883\u3067\u306f\u4f8b\u5916\u3068\u3057\u3066\u4e0a\u304c\u308b\u3001\u3068\u3044\u3046\u72b6\u614b\u3060\u3068\u518d\u73fe\u6027\u304c\u843d\u3061\u307e\u3059\u3002\u307e\u305a\u3001\u8a00\u8a9e\u3084\u30e9\u30f3\u30bf\u30a4\u30e0\u304c SIGPIPE \u3092\u3069\u3046\u6271\u3046\u304b\u3092\u7406\u89e3\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u304c<strong>\u7a81\u7136\u7d42\u4e86<\/strong>\u3057\u3066\u3057\u307e\u3046\u30b1\u30fc\u30b9\u3092\u6e1b\u3089\u3059\uff08\u3042\u308b\u3044\u306f\u76e3\u8996\u3067\u78ba\u5b9f\u306b\u62fe\u3046\uff09\u65b9\u91dd\u3092\u6c7a\u3081\u307e\u3059\u3002<\/p> <p>\u91cd\u8981\u306a\u306e\u306f\u300c\u843d\u3061\u306a\u3044\u3053\u3068\u300d\u3067\u306f\u306a\u304f\u3001<strong>\u5931\u6557\u304c\u89b3\u6e2c\u3067\u304d\u3001\u5fa9\u65e7\u624b\u9806\u304c\u56de\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002<\/p> <h3>\u5bfe\u7b562\uff1awrite\/send \u306e\u623b\u308a\u5024\u30fb\u4f8b\u5916\u3092\u201c\u6368\u3066\u306a\u3044\u201d<\/h3> <p>EPIPE \u306e\u672c\u8cea\u306f\u300c\u66f8\u3051\u306a\u304b\u3063\u305f\u300d\u3067\u3059\u3002\u66f8\u3051\u306a\u304b\u3063\u305f\u306e\u306b\u6210\u529f\u6271\u3044\u306b\u3059\u308b\u3068\u3001\u9759\u304b\u306a\u30c7\u30fc\u30bf\u6b20\u843d\u304c\u8d77\u304d\u307e\u3059\u3002\u6b21\u306e\u65b9\u91dd\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002<\/p> <ul> <li>\u9001\u4fe1\u5931\u6557\u3092\u691c\u77e5\u3057\u305f\u3089\u3001\u305d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\/\u30b8\u30e7\u30d6\u3092<strong>\u5931\u6557\u3068\u3057\u3066\u78ba\u5b9a<\/strong>\u3055\u305b\u308b<\/li> <li>\u4e0a\u4f4d\u306e\u518d\u8a66\u884c\uff08\u30b8\u30e7\u30d6\u518d\u6295\u5165\u3001\u30ad\u30e5\u30fc\u518d\u914d\u4fe1\uff09\u306b\u6e21\u3059<\/li> <li>\u201c\u3069\u3053\u307e\u3067\u9001\u308c\u305f\u304b\u5206\u304b\u3089\u306a\u3044\u201d \u524d\u63d0\u3067\u3001\u51aa\u7b49\u30ad\u30fc\u3084\u6574\u5408\u30c1\u30a7\u30c3\u30af\u3092\u4f7f\u3046<\/li> <\/ul> <hr> <h3>\u5bfe\u7b563\uff1a\u30ea\u30c8\u30e9\u30a4\u306f\u300c\u6761\u4ef6\u4ed8\u304d\u300d\u306b\u3059\u308b\uff08\u4f55\u3067\u3082\u518d\u8a66\u884c\u3057\u306a\u3044\uff09<\/h3> <p>Broken pipe \u3092\u898b\u305f\u77ac\u9593\u306b\u7121\u9650\u30ea\u30c8\u30e9\u30a4\u3059\u308b\u3068\u3001\u4e0b\u6d41\u306b\u8ca0\u8377\u3092\u304b\u3051\u3066\u9006\u306b\u708e\u4e0a\u3057\u307e\u3059\u3002\u73fe\u5834\u3067\u4f7f\u3044\u3084\u3059\u3044\u201c\u6291\u3048\u8fbc\u307f\u30eb\u30fc\u30eb\u201d\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p> <ul> <li><strong>\u518d\u8a66\u884c\u3057\u3066\u3088\u3044\u64cd\u4f5c<\/strong>\uff1a\u8aad\u307f\u53d6\u308a\u7cfb\u3001\u51aa\u7b49\u306a\u66f4\u65b0\u3001\u51aa\u7b49\u30ad\u30fc\u4ed8\u304d\u4f5c\u6210<\/li> <li><strong>\u614e\u91cd\u306a\u64cd\u4f5c<\/strong>\uff1a\u5916\u90e8\u6c7a\u6e08\u3001\u30e1\u30fc\u30eb\u9001\u4fe1\u3001\u5728\u5eab\u78ba\u4fdd\u306a\u3069\u201c\u4e8c\u91cd\u5b9f\u884c\u304c\u640d\u5931\u201d\u306b\u306a\u308b\u3082\u306e<\/li> <li><strong>\u518d\u8a66\u884c\u56de\u6570\u30fb\u9593\u9694<\/strong>\uff1a\u6307\u6570\u30d0\u30c3\u30af\u30aa\u30d5\uff0b\u30b8\u30c3\u30bf\u30fc\uff08\u540c\u6642\u591a\u767a\u3092\u907f\u3051\u308b\uff09<\/li> <li><strong>\u8ae6\u3081\u308b\u5883\u754c<\/strong>\uff1aSLO\/\u30e6\u30fc\u30b6\u4f53\u9a13\u3092\u5b88\u308b\u4e0a\u9650\u3092\u6c7a\u3081\u3001\u30ad\u30e5\u30fc\u3078\u9000\u907f<\/li> <\/ul> <h3>\u5bfe\u7b564\uff1a\u51aa\u7b49\u6027\u3068\u6574\u5408\u6027\u30c1\u30a7\u30c3\u30af\u3067\u201c\u4e8c\u91cd\u5b9f\u884c\u306e\u6050\u6016\u201d\u3092\u6e1b\u3089\u3059<\/h3> <p>\u300c\u30ea\u30c8\u30e9\u30a4\uff1d\u4e8c\u91cd\u5b9f\u884c\u304c\u6016\u3044\u300d\u3068\u3044\u3046\u672c\u97f3\u306b\u7b54\u3048\u308b\u306b\u306f\u3001\u6280\u8853\u7684\u306b \u201c\u540c\u3058\u51e6\u7406\u30922\u56de\u3084\u3063\u3066\u3082\u7d50\u679c\u304c1\u56de\u3068\u540c\u3058\u201d \u3092\u4f5c\u308b\u306e\u304c\u738b\u9053\u3067\u3059\u3002<\/p> <ul> <li><strong>\u51aa\u7b49\u30ad\u30fc<\/strong>\uff1a\u540c\u3058\u30ad\u30fc\u306a\u3089\u540c\u3058\u7d50\u679c\u3092\u8fd4\u3059\uff08\u91cd\u8907\u4f5c\u6210\u3092\u9632\u3050\uff09<\/li> <li><strong>\u30a2\u30a6\u30c8\u30dc\u30c3\u30af\u30b9\/\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0<\/strong>\uff1a\u9001\u4fe1\u3059\u3079\u304d\u4e8b\u5b9f\u3092\u8a18\u9332\u3057\u3001\u5f8c\u3067\u78ba\u5b9f\u306b\u914d\u4fe1\u3059\u308b<\/li> <li><strong>\u7d50\u679c\u7167\u5408<\/strong>\uff1a\u9001\u4fe1\u5f8c\u306b\u72b6\u614b\u3092\u8aad\u307f\u623b\u3057\u3001\u671f\u5f85\u3069\u304a\u308a\u304b\u78ba\u8a8d\u3059\u308b<\/li> <\/ul> <p>\u3053\u308c\u3089\u306f\u201c\u8ffd\u52a0\u5b9f\u88c5\u201d\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u7d50\u679c\u7684\u306b\u969c\u5bb3\u6642\u306e\u624b\u623b\u308a\u3092\u6e1b\u3089\u3057\u3001\u904b\u7528\u306e\u8ca0\u50b5\u3092\u6291\u3048\u8fbc\u3080\u65b9\u5411\u306b\u50cd\u304d\u307e\u3059\u3002<\/p> <hr> <h3>\u5bfe\u7b565\uff1a\u30ad\u30e3\u30f3\u30bb\u30eb\u524d\u63d0\u3067\u4f5c\u308b\uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5148\u306b\u8ae6\u3081\u308b\u4e16\u754c\u306b\u5408\u308f\u305b\u308b\uff09<\/h3> <p>HTTP \u3084UI\u64cd\u4f5c\u3067\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3084\u30ad\u30e3\u30f3\u30bb\u30eb\u3067\u5148\u306b\u63a5\u7d9a\u3092\u9589\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u3068\u304d\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304c\u91cd\u3044\u51e6\u7406\u3092\u5b8c\u8d70\u3057\u3066\u3001\u6700\u5f8c\u306b EPIPE \u3092\u8e0f\u3080\u306e\u306f\u201c\u3088\u304f\u3042\u308b\u8a71\u201d\u3067\u3059\u3002\u3053\u3053\u3067\u52b9\u304f\u306e\u306f\u6b21\u3067\u3059\u3002<\/p> <ul> <li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5207\u65ad\u3092\u691c\u77e5\u3057\u305f\u3089\u3001\u30b5\u30fc\u30d0\u5074\u51e6\u7406\u3082<strong>\u4e2d\u65ad\u3067\u304d\u308b<\/strong>\u8a2d\u8a08\u306b\u5bc4\u305b\u308b<\/li> <li>\u9577\u3044\u51e6\u7406\u306f\u975e\u540c\u671f\u5316\u3057\u3001\u7d50\u679c\u306f\u5225\u30c1\u30e3\u30cd\u30eb\uff08\u901a\u77e5\/\u30dd\u30fc\u30ea\u30f3\u30b0\uff09\u3067\u8fd4\u3059<\/li> <li>\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\/\u30c1\u30e3\u30f3\u30af\u9001\u4fe1\u306f\u3001\u5207\u65ad\u6642\u306e\u6271\u3044\u3092\u660e\u793a\u3059\u308b<\/li> <\/ul> <h3>\u307e\u3068\u3081\uff08\u7b2c8\u7ae0\uff09\uff1aEPIPE \u306f\u201c\u8a2d\u8a08\u306e\u5165\u529b\u201d\u306b\u3059\u308b\u3068\u3001\u904b\u7528\u304c\u30e9\u30af\u306b\u306a\u308b<\/h3> <p>\u901a\u4fe1\u304c\u5207\u308c\u308b\u306e\u306f\u907f\u3051\u3089\u308c\u307e\u305b\u3093\u3002\u907f\u3051\u308b\u3088\u308a\u3001<strong>\u5207\u308c\u3066\u3082\u58ca\u308c\u306a\u3044<\/strong>\u2014\u51aa\u7b49\u6027\u3001\u6761\u4ef6\u4ed8\u304d\u30ea\u30c8\u30e9\u30a4\u3001\u89b3\u6e2c\u53ef\u80fd\u6027\u3001\u30ad\u30e3\u30f3\u30bb\u30eb\u524d\u63d0\u2014\u306b\u5bc4\u305b\u308b\u3053\u3068\u3067\u3001\u73fe\u5834\u306f \u201c\u88ab\u5bb3\u6700\u5c0f\u5316\uff08\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff09\u201d \u3067\u304d\u307e\u3059\u3002\u6b21\u7ae0\u3067\u306f\u904b\u7528\u5074\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u6574\u5408\u3001\u30c9\u30ec\u30a4\u30f3\u3001\u76e3\u8996\uff09\u3067\u306e\u6291\u3048\u8fbc\u307f\u3092\u307e\u3068\u3081\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec09\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u4fee\u5fa9\u7b56\uff08\u904b\u7528\u5074\uff09\uff1akeepalive\/timeout \u306e\u6574\u5408\u3001\u30c9\u30ec\u30a4\u30f3\u3001\u76e3\u8996\u3067\u518d\u767a\u3092\u6291\u3048\u8fbc\u307f\u306b\u3044\u304f<\/h2> <p>EPIPE \u306e\u518d\u767a\u3092\u6e1b\u3089\u3059\u306b\u306f\u3001\u30a2\u30d7\u30ea\u6539\u4fee\u3060\u3051\u3067\u306a\u304f\u904b\u7528\u5074\u306e\u201c\u6574\u5408\u201d\u304c\u91cd\u8981\u3067\u3059\u3002\u7279\u306b\u3001<strong>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u4e0d\u4e00\u81f4<\/strong>\u3068<strong>\u518d\u8d77\u52d5\u6642\u306e\u5207\u308a\u66ff\u3048<\/strong>\u304c\u653e\u7f6e\u3055\u308c\u308b\u3068\u3001\u3044\u304f\u3089\u30b3\u30fc\u30c9\u3092\u6574\u3048\u3066\u3082 Broken pipe \u306f\u6b8b\u308a\u307e\u3059\u3002<\/p> <h3>\u5fc3\u306e\u4f1a\u8a71\uff08\u904b\u7528\u306e\u672c\u97f3\uff09<\/h3> <p>\u300c\u8a2d\u5b9a\u5909\u66f4\u306f\u6016\u3044\u3002\u3069\u308c\u3092\u3069\u306e\u9806\u306b\u89e6\u308c\u3070\u3044\u3044\uff1f\u300d<\/p> <p>\u300cLB\u3001\u30d7\u30ed\u30ad\u30b7\u3001\u30a2\u30d7\u30ea\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u2026\u95a2\u4fc2\u8005\u304c\u591a\u304f\u3066\u793e\u5185\u8abf\u6574\u304c\u3064\u3089\u3044\u300d<\/p> <p>\u3060\u304b\u3089\u3053\u305d\u3001\u904b\u7528\u5074\u306f\u201c\u500b\u5225\u8a2d\u5b9a\u306e\u6697\u8a18\u201d\u3067\u306f\u306a\u304f\u3001<strong>\u8a2d\u8a08\u539f\u5247<\/strong>\u3068\u3057\u3066\u62bc\u3055\u3048\u308b\u3068\u5f37\u3044\u3067\u3059\u3002<\/p> <hr> <h3>\u539f\u52471\uff1a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306f\u201c\u968e\u6bb5\u72b6\u201d\u306b\u63c3\u3048\u308b\uff08\u77ed\u3044\u3068\u3053\u308d\u304c\u5148\u306b\u5207\u308b\uff09<\/h3> <p>\u3088\u304f\u3042\u308b\u4e8b\u6545\u306f\u3001\u4e0b\u6d41\uff08\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\uff09\u306f\u9577\u304f\u5f85\u3066\u308b\u306e\u306b\u3001\u4e0a\u6d41\uff08\u30d7\u30ed\u30ad\u30b7\/\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff09\u304c\u5148\u306b\u5207\u308b\u69cb\u56f3\u3067\u3059\u3002\u3059\u308b\u3068\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306f\u6700\u5f8c\u306b\u66f8\u3053\u3046\u3068\u3057\u3066 EPIPE \u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u907f\u3051\u308b\u306b\u306f\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u201c\u968e\u6bb5\u72b6\u201d\u306b\u8a2d\u8a08\u3057\u307e\u3059\u3002<\/p> <table style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u5c64<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u8003\u3048\u65b9<\/th> <th style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u72d9\u3044<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u30e6\u30fc\u30b6\u4f53\u9a13\/SLO\u306b\u5408\u308f\u305b\u3066\u77ed\u3081\u306b<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u5f85\u3061\u3059\u304e\u3092\u9632\u3050\uff08UI\/\u30d0\u30c3\u30c1\u306e\u5065\u5168\u6027\uff09<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u30d7\u30ed\u30ad\u30b7\/LB<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3088\u308a\u5c11\u3057\u9577\u304f<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u4e2d\u7d99\u3067\u4e0d\u81ea\u7136\u306b\u5207\u3089\u306a\u3044<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee; border:1px solid #999; padding:8px;\">\u30d0\u30c3\u30af\u30a8\u30f3\u30c9<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u30d7\u30ed\u30ad\u30b7\u3088\u308a\u9577\u304f\u3057\u3059\u304e\u306a\u3044<\/td> <td style=\"border:1px solid #999; padding:8px;\">\u51e6\u7406\u306e\u66b4\u8d70\u30fb\u8a70\u307e\u308a\u3092\u6291\u3048\u8fbc\u307f\u3001\u56de\u5fa9\u3092\u65e9\u3081\u308b<\/td> <\/tr> <\/table> <p>\u30dd\u30a4\u30f3\u30c8\u306f\u300c\u3069\u3053\u304b1\u7b87\u6240\u3060\u3051\u4f38\u3070\u3059\u300d\u306e\u3067\u306f\u306a\u304f\u3001\u968e\u6bb5\u306e\u6574\u5408\u3067\u201c\u7a7a\u6c17\u3092\u843d\u3061\u7740\u304b\u305b\u308b\u201d\u3053\u3068\u3067\u3059\u3002\u6574\u5408\u304c\u53d6\u308c\u308b\u3068\u3001EPIPE \u306f\u4e00\u6c17\u306b\u6e1b\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u539f\u52472\uff1a\u518d\u8d77\u52d5\u30fb\u30c7\u30d7\u30ed\u30a4\u306f\u201c\u30c9\u30ec\u30a4\u30f3\uff08\u63a5\u7d9a\u306e\u8edf\u7740\u9678\uff09\u201d\u304c\u306a\u3044\u3068\u58ca\u308c\u3084\u3059\u3044<\/h3> <p>\u30ed\u30fc\u30ea\u30f3\u30b0\u66f4\u65b0\u3084\u81ea\u52d5\u518d\u8d77\u52d5\u304c\u3042\u308b\u74b0\u5883\u3067\u306f\u3001\u63a5\u7d9a\u4e2d\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u62b1\u3048\u305f\u307e\u307e\u30d7\u30ed\u30bb\u30b9\u304c\u5207\u308a\u66ff\u308f\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u304c Broken pipe \u3092\u5897\u3084\u3059\u5178\u578b\u3067\u3059\u3002\u904b\u7528\u3067\u3084\u308b\u3079\u304d\u306f\u6b21\u3067\u3059\u3002<\/p> <ul> <li><strong>\u63a5\u7d9a\u30c9\u30ec\u30a4\u30f3<\/strong>\uff1a\u65e2\u5b58\u63a5\u7d9a\u3092\u4e00\u5b9a\u6642\u9593\u53d7\u3051\u5165\u308c\u3064\u3064\u3001\u65b0\u898f\u6d41\u5165\u306f\u6b62\u3081\u308b<\/li> <li><strong>\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u306e\u6bb5\u968e\u5316<\/strong>\uff1a\u8d77\u52d5\u76f4\u5f8c\u3092\u5373\u201c\u6b63\u5e38\u201d\u306b\u3057\u306a\u3044\uff08\u6e96\u5099\u5b8c\u4e86\u5f8c\u306b\u6d41\u3059\uff09<\/li> <li><strong>\u30b0\u30ec\u30fc\u30b9\u30d5\u30eb\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3<\/strong>\uff1a\u7d42\u4e86\u524d\u306b\u51e6\u7406\u3092\u7d42\u308f\u3089\u305b\u308b\u7336\u4e88\u3092\u4e0e\u3048\u308b<\/li> <\/ul> <p>\u3053\u308c\u3089\u306f \u201c\u5b89\u5b9a\u904b\u7528\u306e\u57fa\u672c\u201d \u3067\u3059\u304c\u3001\u5b9f\u88c5\u30fb\u8a2d\u5b9a\u30fb\u5468\u8fba\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u6574\u5408\u304c\u5fc5\u8981\u306a\u306e\u3067\u3001\u5c5e\u4eba\u7684\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u6a19\u6e96\u5316\u3057\u3066\u304a\u304f\u3068\u969c\u5bb3\u5bfe\u5fdc\u304c\u53ce\u675f\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u539f\u52473\uff1a\u76e3\u8996\u306f\u300cEPIPE \u306e\u56de\u6570\u300d\u3088\u308a\u300c\u80cc\u666f\u6307\u6a19\u300d\u3092\u898b\u308b<\/h3> <p>EPIPE \u3092\u6570\u3048\u308b\u3060\u3051\u3060\u3068\u3001\u30ce\u30a4\u30ba\u3068\u672c\u969c\u5bb3\u304c\u6df7\u3056\u308a\u307e\u3059\u3002\u518d\u767a\u9632\u6b62\u3068\u3057\u3066\u52b9\u304f\u306e\u306f\u3001EPIPE \u306e\u80cc\u5f8c\u306b\u3042\u308b\u6307\u6a19\u3067\u3059\u3002<\/p> <ul> <li><strong>\u51e6\u7406\u6642\u9593\uff08p95\/p99\uff09<\/strong>\uff1a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5883\u754c\u3092\u8d8a\u3048\u59cb\u3081\u3066\u3044\u306a\u3044\u304b<\/li> <li><strong>\u518d\u8d77\u52d5\u56de\u6570<\/strong>\uff1a\u7279\u5b9a\u30ce\u30fc\u30c9\u3060\u3051\u843d\u3061\u3066\u3044\u306a\u3044\u304b<\/li> <li><strong>\u63a5\u7d9a\u6570\/\u30ad\u30e5\u30fc<\/strong>\uff1a\u8a70\u307e\u308a\u304c\u6210\u9577\u3057\u3066\u3044\u306a\u3044\u304b<\/li> <li><strong>\u30a8\u30e9\u30fc\u7a2e\u5225\u306e\u6bd4\u7387<\/strong>\uff1aEPIPE \u4ee5\u5916\uff08\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u30015xx\uff09\u304c\u5897\u3048\u3066\u3044\u306a\u3044\u304b<\/li> <\/ul> <p>\u3053\u308c\u306b\u3088\u308a\u3001EPIPE \u304c\u51fa\u305f\u3068\u304d\u306b \u201c\u8b70\u8ad6\u304c\u904e\u71b1\u201d \u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u300c\u3044\u307e\u306f\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8d77\u70b9\u300d\u300c\u3044\u307e\u306f\u518d\u8d77\u52d5\u8d77\u70b9\u300d\u3068\u3044\u3046\u5171\u901a\u8a8d\u8b58\u304c\u4f5c\u308c\u307e\u3059\u3002\u793e\u5185\u8abf\u6574\u304c\u5fc5\u8981\u306a\u3068\u304d\u307b\u3069\u3001\u3053\u306e\u5171\u901a\u8a8d\u8b58\u304c\u6b66\u5668\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <h3>\u307e\u3068\u3081\uff08\u7b2c9\u7ae0\uff09\uff1a\u904b\u7528\u5074\u306f\u201c\u6574\u5408\u201d\u3068\u201c\u8edf\u7740\u9678\u201d\u3067\u6291\u3048\u8fbc\u307f\u306b\u3044\u304f<\/h3> <p>EPIPE \u306f\u30a2\u30d7\u30ea\u306e\u554f\u984c\u306b\u898b\u3048\u3066\u3001\u5b9f\u969b\u306f<strong>\u5883\u754c\u306e\u6574\u5408\u4e0d\u8db3<\/strong>\u3067\u5897\u3048\u307e\u3059\u3002\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u968e\u6bb5\u3001\u30c9\u30ec\u30a4\u30f3\u3001\u80cc\u666f\u6307\u6a19\u306e\u76e3\u8996\u3002\u3053\u308c\u3092\u63c3\u3048\u308b\u3068\u3001Broken pipe \u306f\u76ee\u306b\u898b\u3048\u3066\u6c88\u9759\u5316\u3057\u307e\u3059\u3002\u6b21\u306f\u3044\u3088\u3044\u3088\u300c\u5c0e\u5165\u30fb\u691c\u8a0e\u306e\u30cf\u30fc\u30c9\u30eb\uff08\u30b3\u30b9\u30c8\u30fb\u79fb\u884c\u30fb\u5b66\u7fd2\uff09\u300d\u306b\u6b63\u9762\u304b\u3089\u7b54\u3048\u3001\u6700\u5f8c\u306b\u4e00\u822c\u8ad6\u306e\u9650\u754c\u3068\u5c02\u9580\u5bb6\u76f8\u8ac7\u306e\u6d41\u308c\u3078\u7e4b\u3052\u3066\u3044\u304d\u307e\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec10\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u5e30\u7d50\uff1aEPIPE \u306f\u300c\u6545\u969c\u300d\u3067\u306f\u306a\u304f\u201c\u8a2d\u8a08\u306e\u5883\u754c\u201d\u3092\u6559\u3048\u3066\u304f\u308c\u308b\u2014\u843d\u3061\u306a\u3044\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3078<\/h2> <p>\u3053\u3053\u307e\u3067\u8aad\u3093\u3067\u3001\u300c\u7d50\u5c40 EPIPE \u306f\u4f55\u3092\u76f4\u305b\u3070\u3044\u3044\u306e\uff1f\u300d\u3068\u3044\u3046\u611f\u899a\u304c\u6b8b\u3063\u3066\u3044\u305f\u3089\u3001\u305d\u308c\u306f\u305f\u3076\u3093\u6b63\u3057\u3044\u53cd\u5fdc\u3067\u3059\u3002EPIPE(32) \u306f\u3001\u5358\u4f53\u3067\u201c\u72af\u4eba\u201d\u3092\u6307\u3057\u307e\u305b\u3093\u3002EPIPE \u306f\u3080\u3057\u308d\u3001<strong>\u5883\u754c\u6761\u4ef6\u304c\u9732\u51fa\u3057\u305f<\/strong>\u3053\u3068\u3092\u6559\u3048\u3066\u304f\u308c\u308b\u5408\u56f3\u3067\u3059\u3002<\/p> <h3>\u5fc3\u306e\u4f1a\u8a71\uff08\u6700\u5f8c\u306b\u8179\u843d\u3061\u3055\u305b\u305f\u3044\u672c\u97f3\uff09<\/h3> <p>\u300c\u201c\u901a\u4fe1\u304c\u5207\u308c\u308b\u306e\u306f\u5f53\u305f\u308a\u524d\u201d\u3063\u3066\u8a00\u308f\u308c\u3066\u3082\u3001\u73fe\u5834\u306f\u56f0\u308b\u3093\u3060\u3088\u2026\u300d<\/p> <p>\u300c\u3067\u3082\u3001\u6bce\u56de \u2018\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u305b\u3044\u2019 \u3067\u7d42\u308f\u308b\u306e\u3082\u5acc\u3060\u300d<\/p> <p>\u3053\u306e\u6c17\u6301\u3061\u306f\u4e21\u65b9\u6b63\u3057\u3044\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u30b4\u30fc\u30eb\u306f \u201cEPIPE \u3092\u30bc\u30ed\u306b\u3059\u308b\u201d \u3067\u306f\u306a\u304f\u3001<strong>EPIPE \u304c\u51fa\u3066\u3082\u696d\u52d9\u304c\u58ca\u308c\u306a\u3044\uff08\u305d\u3057\u3066\u539f\u56e0\u304c\u8ffd\u3048\u308b\uff09\u72b6\u614b<\/strong>\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p> <hr> <h3>EPIPE \u3092\u300c\u8a2d\u8a08\u306e\u5165\u529b\u300d\u306b\u3059\u308b\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff08\u5b9f\u52d9\u5411\u3051\uff09<\/h3> <p>EPIPE \u304c\u51fa\u305f\u3068\u304d\u3001\u6b21\u306e\u554f\u3044\u3092\u9806\u306b\u4e26\u3079\u308b\u3060\u3051\u3067\u3001\u8b70\u8ad6\u306e\u6e29\u5ea6\u304c\u4e0b\u304c\u308a\u3001\u53ce\u675f\u304c\u65e9\u304f\u306a\u308a\u307e\u3059\u3002<\/p> <ol> <li><strong>\u66f8\u3044\u305f\u306e\u306f\u8ab0\u304b<\/strong>\uff1a\u3069\u306e\u30d7\u30ed\u30bb\u30b9\/\u3069\u306e\u30b9\u30ec\u30c3\u30c9\/\u3069\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c write \u3057\u305f\u304b<\/li> <li><strong>\u3069\u3053\u3078\u66f8\u3044\u305f\u304b<\/strong>\uff1a\u30d1\u30a4\u30d7\u304b\u30bd\u30b1\u30c3\u30c8\u304b\u3001\u63a5\u7d9a\u5148\u306f\u8ab0\u304b\uff08FD\u306e\u6b63\u4f53\uff09<\/li> <li><strong>\u8ab0\u304c\u5148\u306b\u9589\u3058\u305f\u304b<\/strong>\uff1a\u4e0b\u6d41\u30d7\u30ed\u30bb\u30b9\u7d42\u4e86\u304b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5207\u65ad\u304b\u3001\u30d7\u30ed\u30ad\u30b7\/LB \u304b<\/li> <li><strong>\u9589\u3058\u305f\u7406\u7531\u306f\u4f55\u304b<\/strong>\uff1a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304b\u3001\u518d\u8d77\u52d5\u304b\u3001\u8a70\u307e\u308a\u304b\u3001\u8a2d\u8a08\u4e0a\u306e\u65e9\u671f\u7d42\u4e86\u304b<\/li> <li><strong>\u5931\u308f\u308c\u305f\u3082\u306e\u306f\u4f55\u304b<\/strong>\uff1a\u30ec\u30b9\u30dd\u30f3\u30b9\u3060\u3051\u304b\u3001\u30c7\u30fc\u30bf\u66f8\u304d\u8fbc\u307f\u304b\u3001\u5916\u90e8\u9023\u643a\u304b\uff08\u696d\u52d9\u5f71\u97ff\uff09<\/li> <li><strong>\u6b21\u306b\u58ca\u308c\u308b\u5834\u6240\u306f\u3069\u3053\u304b<\/strong>\uff1a\u540c\u6642\u591a\u767a\u3059\u308b\u306a\u3089\u3001\u518d\u8a66\u884c\u304c\u96ea\u5d29\u306b\u306a\u3089\u306a\u3044\u304b<\/li> <\/ol> <p>\u3053\u306e\u9806\u756a\u306b\u610f\u5473\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u521d\u304b\u3089\u300c\u5bfe\u7b56\u6848\u300d\u3078\u98db\u3076\u3068\u3001\u539f\u56e0\u304c\u8907\u6570\u3042\u308b EPIPE \u3067\u306f\u8b70\u8ad6\u304c\u904e\u71b1\u3057\u304c\u3061\u3067\u3059\u3002\u307e\u305a \u201c\u5883\u754c\u3092\u7279\u5b9a\u201d \u3057\u3001\u6b21\u306b \u201c\u9589\u3058\u305f\u7406\u7531\u201d \u3092\u6c7a\u3081\u306b\u3044\u304f\u3002\u3053\u308c\u304c\u73fe\u5834\u3067\u52b9\u304f\u578b\u3067\u3059\u3002<\/p> <hr> <h3>\u300c\u4e00\u822c\u8ad6\u306e\u9650\u754c\u300d\uff1a\u3053\u3053\u304b\u3089\u5148\u306f\u69cb\u6210\u306b\u4f9d\u5b58\u3057\u3001\u6b63\u89e3\u304c\u5206\u5c90\u3059\u308b<\/h3> <p>\u3053\u3053\u307e\u3067\u3067\u3001EPIPE \u306e\u691c\u51fa\u3068\u5207\u308a\u5206\u3051\u3001\u30a2\u30d7\u30ea\/\u904b\u7528\u306e\u5bfe\u7b56\u65b9\u91dd\u306f\u6574\u7406\u3067\u304d\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3001\u73fe\u5b9f\u306e\u6848\u4ef6\u3067\u306f\u6b21\u306e\u6761\u4ef6\u3067\u6700\u9069\u89e3\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <ul> <li><strong>\u3069\u306e\u5883\u754c\u304c\u652f\u914d\u7684\u304b<\/strong>\uff1a\u30d7\u30ed\u30ad\u30b7\u8d77\u70b9\u304b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8d77\u70b9\u304b\u3001\u518d\u8d77\u52d5\u8d77\u70b9\u304b<\/li> <li><strong>\u51e6\u7406\u306e\u6027\u8cea<\/strong>\uff1a\u51aa\u7b49\u306b\u3067\u304d\u308b\u304b\u3001\u4e8c\u91cd\u5b9f\u884c\u304c\u640d\u5931\u306b\u306a\u308b\u304b<\/li> <li><strong>\u6c42\u3081\u308b\u5fa9\u65e7\u6642\u9593<\/strong>\uff1a\u4eca\u3059\u3050\u6291\u3048\u8fbc\u307f\u305f\u3044\u306e\u304b\u3001\u6052\u4e45\u5bfe\u7b56\u307e\u3067\u542b\u3081\u308b\u306e\u304b<\/li> <li><strong>\u89b3\u6e2c\u57fa\u76e4\u306e\u6709\u7121<\/strong>\uff1a\u30ed\u30b0\/\u30e1\u30c8\u30ea\u30af\u30b9\/\u30c8\u30ec\u30fc\u30b9\u304c\u63c3\u3063\u3066\u3044\u308b\u304b<\/li> <li><strong>\u95a2\u4fc2\u8005\u306e\u7bc4\u56f2<\/strong>\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001SRE\u3001\u30a2\u30d7\u30ea\u3001\u30d9\u30f3\u30c0\u3001\u9867\u5ba2\u307e\u3067\u8de8\u3050\u304b<\/li> <\/ul> <p>\u3064\u307e\u308a\u3001\u3053\u3053\u304b\u3089\u5148\u306f\u300c\u77e5\u8b58\u300d\u3088\u308a\u3082\u300c\u6848\u4ef6\u8a2d\u8a08\u300d\u3067\u3059\u3002\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u968e\u6bb5\u3092\u3069\u3046\u7d44\u3080\u304b\u3001\u3069\u3053\u3067\u975e\u540c\u671f\u5316\u3059\u308b\u304b\u3001\u3069\u306e\u5358\u4f4d\u3067\u518d\u8a66\u884c\u3059\u308b\u304b\u3001\u3069\u3053\u307e\u3067\u3092\u76e3\u8996\u306b\u542b\u3081\u308b\u304b\u3002\u3053\u308c\u3089\u306f<strong>\u69cb\u6210\u3068\u5951\u7d04\u8981\u4ef6<\/strong>\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p> <hr> <h3>\u201c\u4e00\u6b69\u3060\u3051\u524d\u306b\u9032\u3081\u308b\u201d \u73fe\u5834\u5411\u3051\u30a2\u30af\u30b7\u30e7\u30f3\uff08\u62bc\u3057\u58f2\u308a\u306a\u3057\u306e\u6700\u77ed\u30eb\u30fc\u30c8\uff09<\/h3> <p>\u3082\u3057\u3042\u306a\u305f\u304c\u4eca\u3001EPIPE \u306e\u539f\u56e0\u304c\u66d6\u6627\u3067\u3001\u518d\u767a\u3082\u3057\u3066\u3044\u3066\u3001\u8aac\u660e\u8cac\u4efb\uff08\u4e0a\u53f8\/\u9867\u5ba2\uff09\u3082\u80cc\u8ca0\u3063\u3066\u3044\u308b\u306a\u3089\u3001\u6b21\u306e 3 \u70b9\u3060\u3051\u63c3\u3048\u308b\u3068\u72b6\u6cc1\u304c\u304b\u306a\u308a\u8edf\u7740\u9678\u3057\u307e\u3059\u3002<\/p> <ul> <li><strong>\u518d\u73fe\u6761\u4ef6\u306e\u6700\u5c0f\u30bb\u30c3\u30c8<\/strong>\uff1a\u767a\u751f\u6642\u523b\u5e2f\u3001\u8ca0\u8377\u72b6\u6cc1\u3001\u7279\u5b9a\u7d4c\u8def\/\u7279\u5b9a\u30ce\u30fc\u30c9\u3078\u306e\u504f\u308a\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5883\u754c\u306e\u6709\u7121<\/li> <li><strong>\u89b3\u6e2c\u306e\u30bb\u30c3\u30c8<\/strong>\uff1a\u30a2\u30d7\u30ea\u30ed\u30b0\uff08EPIPE\u767a\u751f\u7b87\u6240\uff09\u3001\u524d\u6bb5\u30ed\u30b0\uff08\u30d7\u30ed\u30ad\u30b7\/LB\uff09\u3001\u51e6\u7406\u6642\u9593\u5206\u5e03\uff08p95\/p99\uff09<\/li> <li><strong>\u5f71\u97ff\u306e\u5b9a\u7fa9<\/strong>\uff1a\u5931\u308f\u308c\u305f\u306e\u304c\u300c\u30ec\u30b9\u30dd\u30f3\u30b9\u300d\u306a\u306e\u304b\u300c\u51e6\u7406\u7d50\u679c\u300d\u306a\u306e\u304b\uff08\u696d\u52d9\u5f71\u97ff\u306e\u5207\u308a\u5206\u3051\uff09<\/li> <\/ul> <p>\u3053\u306e 3 \u70b9\u304c\u63c3\u3046\u3068\u3001\u300c\u3068\u308a\u3042\u3048\u305a\u5168\u90e8\u4f38\u3070\u3059\u300d\u300c\u5168\u90e8\u30ea\u30c8\u30e9\u30a4\u3059\u308b\u300d\u307f\u305f\u3044\u306a\u5371\u967a\u306a\u30d6\u30ec\u30fc\u30ad\u306e\u8e0f\u307f\u65b9\u3092\u907f\u3051\u3089\u308c\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u6052\u4e45\u5bfe\u7b56\u306e\u8a2d\u8a08\uff08\u51aa\u7b49\u6027\u3001\u975e\u540c\u671f\u5316\u3001\u30c9\u30ec\u30a4\u30f3\u3001\u76e3\u8996\uff09\u306b\u9032\u3081\u307e\u3059\u3002<\/p> <h3>\u5c02\u9580\u5bb6\u306b\u76f8\u8ac7\u3059\u3079\u304d\u30bf\u30a4\u30df\u30f3\u30b0\uff08\u5224\u65ad\u3092\u8aa4\u308b\u3068\u640d\u5931\u304c\u62e1\u5927\u3057\u3084\u3059\u3044\uff09<\/h3> <p>\u6b21\u306e\u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u308b\u5834\u5408\u3001\u4e00\u822c\u8ad6\u3067\u62bc\u3057\u5207\u308b\u3068\u4e8b\u6545\u304c\u8d77\u304d\u3084\u3059\u3044\u306e\u3067\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u306b\u76f8\u8ac7\u3059\u308b<\/strong>\u306e\u304c\u5408\u7406\u7684\u3067\u3059\u3002<\/p> <ul> <li>\u696d\u52d9\u505c\u6b62\u30fb\u30c7\u30fc\u30bf\u6b20\u843d\u30fb\u4e8c\u91cd\u51e6\u7406\u306a\u3069\u3001<strong>\u640d\u5931\u304c\u73fe\u5b9f\u306e\u6570\u5b57\u3067\u51fa\u308b<\/strong><\/li> <li>LB\/\u30d7\u30ed\u30ad\u30b7\/\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\/\u30a2\u30d7\u30ea\u304c\u7d61\u307f\u3001<strong>\u8cac\u4efb\u5206\u754c\u304c\u66d6\u6627<\/strong><\/li> <li>\u30ed\u30b0\u304c\u8db3\u308a\u305a\u3001<strong>\u89b3\u6e2c\u306e\u8ffd\u52a0\u304b\u3089\u8a2d\u8a08\u3057\u76f4\u3059\u5fc5\u8981<\/strong>\u304c\u3042\u308b<\/li> <li>\u30ea\u30c8\u30e9\u30a4\u3084\u975e\u540c\u671f\u5316\u304c\u5fc5\u8981\u3060\u304c\u3001<strong>\u51aa\u7b49\u6027\u3092\u3069\u3046\u4f5c\u308b\u304b<\/strong>\u304c\u96e3\u3057\u3044<\/li> <li>SLA\/SLO\u3001\u5951\u7d04\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u306a\u3069\u3001<strong>\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3064\u3064\u76f4\u3059\u5fc5\u8981<\/strong>\u304c\u3042\u308b<\/li> <\/ul> <p>\u76f8\u8ac7\u306e\u4fa1\u5024\u306f\u300c\u9b54\u6cd5\u306e\u8a2d\u5b9a\u300d\u3092\u6559\u3048\u308b\u3053\u3068\u3067\u306f\u306a\u304f\u3001<strong>\u3042\u306a\u305f\u306e\u69cb\u6210\u3068\u5236\u7d04\u306e\u4e2d\u3067\u3001\u6700\u77ed\u3067\u53ce\u675f\u3055\u305b\u308b\u8a2d\u8a08\u3068\u624b\u9806\u3092\u4f5c\u308b<\/strong>\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002EPIPE \u306f\u5883\u754c\u306e\u554f\u984c\u306a\u306e\u3067\u3001\u5883\u754c\u8a2d\u8a08\u3092\u4e00\u7dd2\u306b\u8a70\u3081\u308b\u306e\u304c\u65e9\u3044\u3067\u3059\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u4ed8\u9332\uff1a\u4e3b\u8981\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u5225\u2014EPIPE\/Broken pipe \u5468\u308a\u306e\u6ce8\u610f\u70b9\uff08\u5b9f\u88c5\u30fb\u904b\u7528\u306e\u843d\u3068\u3057\u7a74\uff09<\/h2> <p>\u540c\u3058 \u201cBroken pipe\u201d \u3067\u3082\u3001\u8a00\u8a9e\u3084\u30e9\u30f3\u30bf\u30a4\u30e0\u3067\u898b\u3048\u65b9\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u300c\u4f55\u306b\u6c17\u3092\u3064\u3051\u308b\u3068\u88ab\u5bb3\u6700\u5c0f\u5316\uff08\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff09\u3057\u3084\u3059\u3044\u304b\u300d\u3092\u3001\u5b9f\u52d9\u76ee\u7dda\u3067\u6574\u7406\u3057\u307e\u3059\u3002\u7279\u5b9a\u30d0\u30fc\u30b8\u30e7\u30f3\u3084\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u4f9d\u5b58\u3059\u308b\u6319\u52d5\u3082\u3042\u308b\u305f\u3081\u3001\u6700\u7d42\u7684\u306b\u306f\u3042\u306a\u305f\u306e\u5b9f\u884c\u74b0\u5883\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p> <h3>C \/ C++<\/h3> <ul> <li><strong>SIGPIPE \u3067\u30d7\u30ed\u30bb\u30b9\u304c\u7d42\u4e86<\/strong>\u3057\u3084\u3059\u3044\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u52d5\u4f5c\uff09\u3002\u7a81\u7136\u843d\u3061\u3066\u30ed\u30b0\u304c\u6b8b\u3089\u306a\u3044\u5f62\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <li>write()\/send() \u306e\u623b\u308a\u5024\u3068 errno \u3092<strong>\u5fc5\u305a\u30c1\u30a7\u30c3\u30af<\/strong>\u3057\u306a\u3044\u3068\u3001\u90e8\u5206\u9001\u4fe1\u3084\u9001\u4fe1\u5931\u6557\u3092\u898b\u843d\u3068\u3059\u3002<\/li> <li>\u30bd\u30b1\u30c3\u30c8\u3067\u306f\u90e8\u5206\u9001\u4fe1\u304c\u3042\u308a\u5f97\u308b\u305f\u3081\u3001\u9001\u4fe1\u30eb\u30fc\u30d7\u306e\u8a2d\u8a08\uff08\u9001\u4fe1\u6e08\u307f\u30d0\u30a4\u30c8\u306e\u7ba1\u7406\uff09\u304c\u91cd\u8981\u3002<\/li> <\/ul> <h3>Go<\/h3> <ul> <li>\u591a\u304f\u306e\u30b1\u30fc\u30b9\u3067\u3001\u5207\u65ad\u306f \u201c\u4f8b\u5916\u201d \u3067\u306f\u306a\u304f <strong>error \u3068\u3057\u3066\u8fd4\u308b<\/strong>\uff08\u30ed\u30b0\u4e0a\u306f \u201cbroken pipe\u201d \u306a\u3069\u306e\u6587\u5b57\u5217\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\uff09\u3002<\/li> <li>HTTP \u30b5\u30fc\u30d0\u3067\u306f\u3001<strong>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5207\u65ad\uff08\u30ad\u30e3\u30f3\u30bb\u30eb\uff09<\/strong>\u304c\u8d77\u70b9\u3067\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u66f8\u304d\u8fbc\u307f\u6642\u306b\u5931\u6557\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\uff08Context\uff09\u306e\u30ad\u30e3\u30f3\u30bb\u30eb\u3067\u65e9\u671f\u4e2d\u65ad\u3067\u304d\u308b\u8a2d\u8a08\u304c\u52b9\u304f\u3002<\/li> <li>\u30ea\u30c8\u30e9\u30a4\u306f\u7c21\u5358\u306b\u5165\u308c\u3089\u308c\u308b\u304c\u3001\u5916\u90e8\u9023\u643a\u306f<strong>\u51aa\u7b49\u6027<\/strong>\u304c\u306a\u3044\u3068\u4e8c\u91cd\u5b9f\u884c\u30ea\u30b9\u30af\u304c\u4e0a\u304c\u308b\u3002<\/li> <\/ul> <h3>Python<\/h3> <ul> <li>Broken pipe \u306f <strong>BrokenPipeError<\/strong> \u306a\u3069\u306e\u4f8b\u5916\u3068\u3057\u3066\u4e0a\u304c\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u4f8b\u5916\u51e6\u7406\u3067\u63e1\u308a\u3064\u3076\u3059\u3068\u201c\u9759\u304b\u306a\u6b20\u843d\u201d\u306b\u306a\u308b\u3002<\/li> <li>\u6a19\u6e96\u51fa\u529b\u304c\u30d1\u30a4\u30d7\u63a5\u7d9a\u306e\u5834\u5408\u3001\u4e0b\u6d41\u304c\u5148\u306b\u7d42\u4e86\u3059\u308b\u3068\u51fa\u529b\u5074\u304c Broken pipe \u3092\u8e0f\u3080\u3002\u30d0\u30c3\u30c1\u3067\u306f\u201c\u60f3\u5b9a\u901a\u308a\u306e\u30ce\u30a4\u30ba\u201d\u3068\u201c\u672c\u5f53\u306e\u5931\u6557\u201d\u3092\u533a\u5225\u3059\u308b\u904b\u7528\u304c\u5fc5\u8981\u3002<\/li> <li>subprocess \u9023\u643a\u3084\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u69cb\u6210\u3067\u306f\u3001\u7d42\u4e86\u30b3\u30fc\u30c9\u3068\u4f8b\u5916\u306e\u4e21\u65b9\u3092\u898b\u308b\uff08\u7247\u65b9\u3060\u3051\u3060\u3068\u539f\u56e0\u3092\u53d6\u308a\u9055\u3048\u3084\u3059\u3044\uff09\u3002<\/li> <\/ul> <h3>Node.js<\/h3> <ul> <li>\u30b9\u30c8\u30ea\u30fc\u30e0\uff08stdout\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30d5\u30a1\u30a4\u30eb\uff09\u3067 <strong>error \u30a4\u30d9\u30f3\u30c8<\/strong>\u3092\u672a\u51e6\u7406\u3060\u3068\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u305f\u308a\u3001\u539f\u56e0\u304c\u898b\u3048\u306b\u304f\u304f\u306a\u308b\u3002<\/li> <li>\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\uff08\u8a70\u307e\u308a\uff09\u3092\u7121\u8996\u3057\u3066 write \u3057\u7d9a\u3051\u308b\u3068\u3001\u9045\u5ef6\u30fb\u30e1\u30e2\u30ea\u5897\u5927\u306e\u672b\u306b\u201c\u5225\u306e\u5f62\u201d\u3067\u58ca\u308c\u308b\u3002\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u623b\u308a\u5024\u3084 drain \u3092\u5c0a\u91cd\u3059\u308b\u3002<\/li> <li>HTTP\/\u30d7\u30ed\u30ad\u30b7\u7d4c\u7531\u306f\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u6574\u5408\u304c\u91cd\u8981\u3002\u30a2\u30d7\u30ea\u5074\u3060\u3051\u3067\u76f4\u305d\u3046\u3068\u3059\u308b\u3068\u53ce\u675f\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <\/ul> <h3>Java \/ Kotlin\uff08JVM\uff09<\/h3> <ul> <li>\u4f8b\u5916\u306f <strong>IOException<\/strong> \u3068\u3057\u3066\u4e0a\u304c\u308b\u3053\u3068\u304c\u591a\u3044\u3002\u30ed\u30b0\u4e0a\u306f \u201cBroken pipe\u201d \u3084 \u201cConnection reset\u201d \u306e\u3088\u3046\u306a\u8868\u73fe\u3067\u6df7\u5728\u3057\u3084\u3059\u3044\u3002<\/li> <li>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u67af\u6e07\u3084 GC \u505c\u6b62\u306a\u3069\u3067\u51e6\u7406\u304c\u9045\u308c\u3001\u4e0a\u6d41\u304c\u5148\u306b\u5207\u3063\u3066 EPIPE \u76f8\u5f53\u306b\u306a\u308b\u3001\u3068\u3044\u3046\u201c\u9593\u63a5\u539f\u56e0\u201d\u304c\u8d77\u304d\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <li>NIO\/Netty \u7b49\u3067\u306f\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u3086\u3048\u3001\u3069\u306e\u30cf\u30f3\u30c9\u30e9\u3067\u4f8b\u5916\u3092\u63e1\u308b\u304b\u8a2d\u8a08\u304c\u91cd\u8981\u3002\u63e1\u308a\u3064\u3076\u3059\u3068\u518d\u73fe\u56f0\u96e3\u306b\u306a\u308b\u3002<\/li> <\/ul> <h3>Rust<\/h3> <ul> <li>IO \u306f Result \u3067\u8fd4\u308b\u305f\u3081\u3001<strong>\u30a8\u30e9\u30fc\u3092\u578b\u3068\u3057\u3066\u6271\u3048\u308b<\/strong>\u306e\u306f\u5f37\u307f\u3002\u305f\u3060\u3057\u4e0a\u4f4d\u3067\u96d1\u306b\u63e1\u308b\u3068\u8abf\u67fb\u4e0d\u80fd\u306b\u306a\u308b\u3002<\/li> <li>\u30b9\u30c8\u30ea\u30fc\u30e0\/\u975e\u540c\u671f\uff08tokio\u7b49\uff09\u3067\u306f\u3001\u5207\u65ad\u6642\u306e\u30a8\u30e9\u30fc\u304c\u3069\u306e\u30bf\u30b9\u30af\u306b\u73fe\u308c\u308b\u304b\u304c\u5206\u6563\u3057\u3084\u3059\u3044\u3002\u95a2\u9023\u30ed\u30b0\u306b\u76f8\u95a2ID\u3092\u6301\u305f\u305b\u308b\u3068\u53ce\u675f\u304c\u65e9\u3044\u3002<\/li> <\/ul> <h3>Ruby<\/h3> <ul> <li><strong>Errno::EPIPE<\/strong> \u3068\u3057\u3066\u4f8b\u5916\u304c\u4e0a\u304c\u308b\u3002begin\/rescue \u3067\u63e1\u308b\u3060\u3051\u3060\u3068\u3001\u30c7\u30fc\u30bf\u6b20\u843d\u3084\u51e6\u7406\u672a\u5b8c\u4e86\u304c\u6b8b\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <li>Rack\/\u30d7\u30ed\u30ad\u30b7\u914d\u4e0b\u3067\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5207\u65ad\u2192\u30ec\u30b9\u30dd\u30f3\u30b9\u66f8\u304d\u8fbc\u307f\u5931\u6557\u304c\u8d77\u304d\u3084\u3059\u3044\u3002\u51e6\u7406\u304c\u91cd\u3044\u5834\u5408\u306f\u975e\u540c\u671f\u5316\u3084\u30ad\u30e3\u30f3\u30bb\u30eb\u8a2d\u8a08\u304c\u52b9\u304f\u3002<\/li> <\/ul> <h3>PHP<\/h3> <ul> <li>fwrite \u7b49\u3067 Broken pipe \u76f8\u5f53\u306e\u5931\u6557\u304c\u8d77\u304d\u308b\u3053\u3068\u304c\u3042\u308b\u304c\u3001\u30a2\u30d7\u30ea\u306e\u30ed\u30b0\u306b\u7dba\u9e97\u306b\u6b8b\u3089\u306a\u3044\u69cb\u6210\u3082\u3042\u308b\u3002Web \u30b5\u30fc\u30d0\u3084 FPM \u5074\u30ed\u30b0\u3082\u5408\u308f\u305b\u3066\u898b\u308b\u3002<\/li> <li>HTTP \u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u6574\u5408\uff08Web\u30b5\u30fc\u30d0\/\u30d7\u30ed\u30ad\u30b7\/\u30a2\u30d7\u30ea\uff09\u306f\u8a00\u8a9e\u306b\u95a2\u4fc2\u306a\u304f\u91cd\u8981\u3002PHP \u3060\u3051\u76f4\u3057\u3066\u3082\u53ce\u675f\u3057\u306a\u3044\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3002<\/li> <\/ul> <hr> <h3>\u88dc\u8db3\uff1a\u30b7\u30a7\u30eb\uff08bash \u7b49\uff09<\/h3> <ul> <li>\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306f\u300c\u4e0b\u6d41\u304c\u5148\u306b\u7d42\u308f\u308b\u300d\u306e\u304c\u81ea\u7136\u306b\u8d77\u304d\u308b\u3002\u91cd\u8981\u30b8\u30e7\u30d6\u3067\u306f <strong>pipefail<\/strong> \u3092\u542b\u3080\u7d42\u4e86\u5224\u5b9a\u306e\u8a2d\u8a08\u304c\u5fc5\u8981\u3002<\/li> <li>Broken pipe \u304c\u201c\u60f3\u5b9a\u901a\u308a\u306e\u30ce\u30a4\u30ba\u201d\u306a\u306e\u304b\u3001\u201c\u672c\u5f53\u306e\u5931\u6557\u201d\u306a\u306e\u304b\u306f\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u76ee\u7684\u3068\u30c7\u30fc\u30bf\u306e\u91cd\u8981\u5ea6\u3067\u5909\u308f\u308b\u3002<\/li> <\/ul> <h3>\u4ed8\u9332\u307e\u3068\u3081\uff1a\u8a00\u8a9e\u5dee\u3088\u308a\u3082\u300c\u5931\u6557\u3092\u89b3\u6e2c\u3057\u3001\u5883\u754c\u3092\u8a2d\u8a08\u3059\u308b\u300d\u3053\u3068\u304c\u672c\u8cea<\/h3> <p>\u8a00\u8a9e\u3054\u3068\u306b\u4f8b\u5916\u306e\u51fa\u65b9\u3084\u30ed\u30b0\u306e\u6b8b\u308a\u65b9\u306f\u9055\u3044\u307e\u3059\u304c\u3001\u3084\u308b\u3053\u3068\u306f\u5171\u901a\u3067\u3059\u3002<\/p> <ul> <li>\u5931\u6557\u3092\u63e1\u308a\u3064\u3076\u3055\u305a\u3001<strong>\u89b3\u6e2c\u3067\u304d\u308b\u5f62<\/strong>\u306b\u3059\u308b<\/li> <li>\u51aa\u7b49\u6027\u30fb\u6761\u4ef6\u4ed8\u304d\u30ea\u30c8\u30e9\u30a4\u30fb\u975e\u540c\u671f\u5316\u306a\u3069\u3067\u3001<strong>\u5207\u308c\u3066\u3082\u58ca\u308c\u306a\u3044<\/strong>\u8a2d\u8a08\u306b\u5bc4\u305b\u308b<\/li> <li>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u968e\u6bb5\u3001\u30c9\u30ec\u30a4\u30f3\u3001\u76e3\u8996\u3067\u3001<strong>\u5883\u754c\u306e\u6574\u5408<\/strong>\u3092\u53d6\u308b<\/li> <\/ul> <p>\u3053\u3053\u307e\u3067\u3084\u3063\u3066\u3082\u300c\u69cb\u6210\u30fb\u5951\u7d04\u30fb\u8981\u4ef6\u306e\u5236\u7d04\u3067\u3069\u3046\u8a2d\u8a08\u3059\u3079\u304d\u304b\u300d\u304c\u5206\u5c90\u3059\u308b\u5834\u5408\u306f\u3001\u4e00\u822c\u8ad6\u306e\u9650\u754c\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u6848\u4ef6\u30fb\u5951\u7d04\u30fb\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u3067\u60a9\u3093\u3060\u3068\u304d\u306f\u3001\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u306b\u76f8\u8ac7\u3057\u3001\u6700\u77ed\u3067\u53ce\u675f\u3059\u308b\u8a2d\u8a08\u3068\u624b\u9806\u306b\u843d\u3068\u3057\u8fbc\u3080\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p> \r\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-578f1521 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"578f1521\" data-element_type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-341c69fe\" data-id=\"341c69fe\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1a0249c4 elementor-widget elementor-widget-text-editor\" data-id=\"1a0249c4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<style>h1.dai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin-top: 25px; \/* \u4e0a\u306e\u7a7a\u767d\u30922\u500d *\/    margin-bottom: 5px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}h2.fukudai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin-top: 25px; \/* \u4e0a\u306e\u7a7a\u767d\u30922\u500d *\/    margin-bottom: 5px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}.fukudai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin: 0 auto 50px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}.fukudai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin: 0 auto 50px;    padding: 5px 5px 5px 5px;    font-size: 18px; \/* \u6587\u5b57\u306e\u5927\u304d\u3055\u309218px\u306b\u8a2d\u5b9a *\/}<\/style><h2 class='fukudai'>\u306f\u3058\u3081\u306b<\/h2><br><p>      Linux\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u3001\u30d1\u30a4\u30d7\u901a\u4fe1\u306f\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u9593\u3067\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u3084\u308a\u53d6\u308a\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u4ed5\u7d44\u307f\u3067\u3059\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u30d1\u30a4\u30d7\u901a\u4fe1\u4e2d\u306b\u4e88\u671f\u305b\u306c\u5207\u65ad\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u300cEPIPE\uff08\u30a8\u30e9\u30fc\u756a\u53f732\uff09\u300d\u3068\u547c\u3070\u308c\u308b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u306b\u652f\u969c\u3092\u304d\u305f\u3059\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001\u901a\u4fe1\u76f8\u624b\u304c\u7a81\u7136\u5207\u65ad\u3055\u308c\u305f\u5834\u5408\u306b\u767a\u751f\u3057\u3001\u9069\u5207\u306b\u5bfe\u51e6\u3057\u306a\u3044\u3068\u30b5\u30fc\u30d3\u30b9\u306e\u505c\u6b62\u3084\u30c7\u30fc\u30bf\u306e\u640d\u5931\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002    \u672c\u8a18\u4e8b\u3067\u306f\u3001EPIPE\u30a8\u30e9\u30fc\u306e\u5b9a\u7fa9\u3068\u539f\u56e0\u306b\u3064\u3044\u3066\u7c21\u6f54\u306b\u89e3\u8aac\u3057\u3001\u305d\u306e\u80cc\u666f\u306b\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u539f\u7406\u3092\u7406\u89e3\u3057\u3066\u3044\u305f\u3060\u304f\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u5b9f\u969b\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u969b\u306e\u5177\u4f53\u7684\u306a\u4e8b\u4f8b\u3084\u3001\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u304c\u53d6\u308b\u3079\u304d\u5bfe\u5fdc\u7b56\u306b\u3064\u3044\u3066\u3082\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u3092\u7dad\u6301\u3057\u3001\u8fc5\u901f\u306b\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u77e5\u8b58\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u306f\u3001IT\u904b\u7528\u306e\u4fe1\u983c\u6027\u5411\u4e0a\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002    \u79c1\u305f\u3061\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5c02\u9580\u77e5\u8b58\u3092\u6301\u3064\u7686\u3055\u307e\u304c\u5b89\u5fc3\u3057\u3066\u904b\u7528\u3067\u304d\u308b\u3088\u3046\u3001\u4fe1\u983c\u3067\u304d\u308b\u60c5\u5831\u3068\u5b9f\u8df5\u7684\u306a\u30a2\u30c9\u30d0\u30a4\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3082\u3057\u30a8\u30e9\u30fc\u5bfe\u5fdc\u306b\u4e0d\u5b89\u3084\u7591\u554f\u3092\u611f\u3058\u305f\u5834\u5408\u3067\u3082\u3001\u9069\u5207\u306a\u5bfe\u5fdc\u7b56\u3092\u7406\u89e3\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5c02\u9580\u306e\u30c7\u30fc\u30bf\u5fa9\u65e7\u696d\u8005\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u5f97\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306e\u5065\u5168\u306a\u904b\u7528\u3092\u652f\u3048\u308b\u305f\u3081\u306b\u3001\u4eca\u56de\u306e\u5185\u5bb9\u304c\u5c11\u3057\u3067\u3082\u304a\u5f79\u306b\u7acb\u3066\u308c\u3070\u5e78\u3044\u3067\u3059\u3002    \u203b\u5f53\u793e\u306f\u3001\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u3063\u3066\u5f53\u793e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u60c5\u5831\u3092\u63b2\u8f09\u3057\u3066\u304a\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u60c5\u5831\u306e\u6b63\u78ba\u6027\u304a\u3088\u3073\u5b8c\u5168\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5f53\u793e\u306f\u4e88\u544a\u306a\u3057\u306b\u3001\u5f53\u793e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u60c5\u5831\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5f53\u793e\u304a\u3088\u3073\u305d\u306e\u95a2\u9023\u4f1a\u793e\u306f\u3001\u304a\u5ba2\u3055\u307e\u304c\u5f53\u793e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u542b\u307e\u308c\u308b\u60c5\u5831\u3082\u3057\u304f\u306f\u5185\u5bb9\u3092\u3054\u5229\u7528\u3055\u308c\u305f\u3053\u3068\u3067\u76f4\u63a5\u30fb\u9593\u63a5\u7684\u306b\u751f\u3058\u305f\u640d\u5931\u306b\u95a2\u3057\u4e00\u5207\u8cac\u4efb\u3092\u8ca0\u3046\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p><br><br><p>EPIPE\u30a8\u30e9\u30fc\u306f\u3001Unix\u7cfb\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u30d1\u30a4\u30d7\u901a\u4fe1\u304c\u9014\u4e2d\u3067\u5207\u65ad\u3055\u308c\u305f\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u30d1\u30a4\u30d7\u306f\u3001\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u9593\u3067\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u3084\u308a\u53d6\u308a\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u3042\u308b\u30d7\u30ed\u30bb\u30b9\u304c\u51fa\u529b\u3057\u305f\u30c7\u30fc\u30bf\u3092\u5225\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u53d7\u4fe1\u3057\u51e6\u7406\u3059\u308b\u969b\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u901a\u4fe1\u304c\u6b63\u5e38\u306b\u884c\u308f\u308c\u3066\u3044\u308b\u9593\u306f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u53d7\u4fe1\u5074\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u7a81\u7136\u7d42\u4e86\u3057\u305f\u308a\u3001\u901a\u4fe1\u7d4c\u8def\u304c\u906e\u65ad\u3055\u308c\u305f\u308a\u3059\u308b\u3068\u3001\u9001\u4fe1\u5074\u306f\u30a8\u30e9\u30fc\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002    \u3053\u306e\u3068\u304d\u306b\u767a\u751f\u3059\u308b\u306e\u304c\u300cEPIPE\uff08\u30a8\u30e9\u30fc\u756a\u53f732\uff09\u300d\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u9001\u4fe1\u5074\u304c\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3082\u3046\u3068\u3057\u305f\u969b\u306b\u3001\u53d7\u4fe1\u5074\u304c\u65e2\u306b\u5207\u65ad\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u306b\u66f8\u304d\u8fbc\u307f\u304c\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u72b6\u614b\u3092\u793a\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u306f\u3053\u306e\u30a8\u30e9\u30fc\u3092\u8fd4\u3057\u3001\u901a\u4fe1\u306e\u7570\u5e38\u3092\u901a\u77e5\u3057\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u30b7\u30b0\u30ca\u30eb\uff08SIGPIPE\uff09\u3092\u53d7\u3051\u53d6\u308a\u3001\u305d\u306e\u7d50\u679c\u3068\u3057\u3066\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u8fd4\u3059\u4ed5\u7d44\u307f\u3067\u3059\u3002    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