{"id":42548,"date":"2025-06-24T12:36:53","date_gmt":"2025-06-24T03:36:53","guid":{"rendered":"https:\/\/jouhou.main.jp\/?p=42548"},"modified":"2026-01-22T11:18:22","modified_gmt":"2026-01-22T02:18:22","slug":"ubuntu-enomem-12-%e8%a7%a3%e8%aa%ac%ef%bc%9a%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%e3%83%bb%e3%83%97%e3%83%ad%e3%82%bb%e3%82%b9%e3%81%ae%e3%83%a1%e3%83%a2%e3%83%aa%e4%b8%8d%e8%b6%b3%e3%82%a8%e3%83%a9","status":"publish","type":"post","link":"https:\/\/jouhou.main.jp\/?p=42548","title":{"rendered":"Ubuntu ENOMEM (12) \u89e3\u8aac\uff1a\u30b7\u30b9\u30c6\u30e0\u30fb\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u4e0d\u8db3\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u89e3\u6790\u3068\u6539\u5584\u7b56\u7de8"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"42548\" class=\"elementor elementor-42548\" 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-53bde8e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"53bde8e\" 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-f67d262\" data-id=\"f67d262\" 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-3d25b53 elementor-widget elementor-widget-html\" data-id=\"3d25b53\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<section style=\"max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:16px; background:#ffffff;\"> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible;\"> <div style=\"display:flex; align-items:center; gap:10px; max-width:100%; box-sizing:border-box; overflow:visible;\"> <span style=\"display:inline-block; padding:4px 10px; border-radius:3px; background:#f3f4f6; color:#111827; font-weight:700; font-size:12px; overflow-wrap:anywhere; max-width:100%;\">\u6700\u77ed\u30c1\u30a7\u30c3\u30af<\/span> <h2 style=\"margin:0; font-size:16px; line-height:1.4; color:#111827; overflow-wrap:anywhere; max-width:100%;\">ENOMEM (12) \u304c\u51fa\u305f\u3089\uff1a\u30e1\u30e2\u30ea\u67af\u6e07\u304b\u5236\u9650\u304b\u3092\u5148\u306b\u5207\u308a\u5206\u3051<\/h2> <\/div> <p style=\"margin:10px 0 0 0; color:#374151; font-size:13px; line-height:1.6; overflow-wrap:anywhere; max-width:100%;\">\u591a\u304f\u306f\u300c\u672c\u5f53\u306b\u8db3\u308a\u306a\u3044\u300d\u304b\u300c\u4e0a\u9650\u3067\u6b62\u3081\u3089\u308c\u3066\u3044\u308b\u300d\u304b\u306e\u3069\u3061\u3089\u304b\u3067\u3059\u3002\u6700\u5c0f\u5909\u66f4\u3067\u53ce\u675f\u3067\u304d\u308b\u30eb\u30fc\u30c8\u3060\u3051\u3092\u5148\u306b\u8a66\u3057\u307e\u3059\u3002<\/p> <\/div> <div style=\"margin-top:14px; max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; background:#ffffff;\"> <div style=\"display:flex; align-items:flex-start; gap:10px; max-width:100%; box-sizing:border-box; overflow:visible;\"> <span style=\"display:inline-block; min-width:22px; text-align:center; padding:2px 6px; border-radius:3px; background:#dc2626; color:#ffffff; font-weight:800; overflow-wrap:anywhere; max-width:100%;\">1<\/span> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible;\"> <h3 style=\"margin:0; font-size:14px; color:#111827; overflow-wrap:anywhere; max-width:100%;\">30\u79d2\u3067\u4e89\u70b9\u3092\u7d5e\u308b\uff08\u8aad\u3080\u3060\u3051\u3067OK\uff09<\/h3> <p style=\"margin:6px 0 0 0; color:#374151; font-size:13px; line-height:1.6; overflow-wrap:anywhere; max-width:100%;\">\u300c\u8ab0\u306e\u6a29\u9650\u3067\u300d\u300c\u3069\u306e\u5230\u9054\u70b9\u3067\u300dENOMEM\u306b\u306a\u3063\u305f\u304b\u3060\u3051\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u304c\u843d\u3061\u305f\u306e\u304b\u3001malloc\u7cfb\u3067\u5931\u6557\u3057\u305f\u306e\u304b\u3001\u8d77\u52d5\u76f4\u5f8c\u304b\u9577\u6642\u9593\u7a3c\u50cd\u5f8c\u304b\u3067\u6253\u3061\u624b\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p> <p style=\"margin:8px 0 0 0; color:#6b7280; font-size:12px; line-height:1.6; overflow-wrap:anywhere; max-width:100%;\">\u203b 1\u306e\u6570\u5b57\u3060\u3051\u3092\u767d\u6587\u5b57\u306b\u3057\u3066\u3001\u89d2\u4e38\u306e\u8d64\u5730\u30dc\u30c3\u30af\u30b9\u3067\u56f2\u3080<\/p> <\/div> <\/div> <\/div> <div style=\"margin-top:12px; max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; background:#ffffff;\"> <div style=\"display:flex; align-items:flex-start; gap:10px; max-width:100%; box-sizing:border-box; overflow:visible;\"> <span style=\"display:inline-block; min-width:22px; text-align:center; padding:2px 6px; border-radius:3px; background:#16a34a; color:#ffffff; font-weight:800; overflow-wrap:anywhere; max-width:100%;\">2<\/span> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible;\"> <h3 style=\"margin:0; font-size:14px; color:#111827; overflow-wrap:anywhere; max-width:100%;\">\u4e89\u70b9\u5225\uff1a\u4eca\u5f8c\u306e\u9078\u629e\u3084\u884c\u52d5<\/h3> <p style=\"margin:6px 0 0 0; color:#374151; font-size:13px; line-height:1.6; overflow-wrap:anywhere; max-width:100%;\">\u3088\u304f\u3042\u308b4\u30d1\u30bf\u30fc\u30f3\u3092\u4e0a\u304b\u3089\u9806\u306b\u5f53\u3066\u306b\u3044\u304d\u307e\u3059\u3002\u7d50\u679c\u304c\u51fa\u305f\u3089\u3001\u6b21\u306e\u4e00\u624b\u3060\u3051\u3092\u6700\u5c0f\u3067\u3002<\/p> <pre style=\"margin:10px 0 0 0; padding:12px; border-radius:3px; background:#111827; color:#ffffff; font-size:13px; line-height:1.55; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box;\"> # A: \u7269\u7406\u30e1\u30e2\u30ea\u4e0d\u8db3 \/ OOM \u304c\u7591\u308f\u3057\u3044\uff08\u7a81\u7136\u843d\u3061\u305f\u30fbKill\u3055\u308c\u305f\uff09 free -h vmstat 1 5 dmesg -T | tail -n 120 journalctl -k -n 200 --no-pager | grep -iE 'oom|killed process|out of memory'\nB: \u4e0a\u9650\u3067\u6b62\u3081\u3089\u308c\u3066\u3044\u308b\uff08ulimit \/ systemd \/ \u30b3\u30f3\u30c6\u30ca cgroup\uff09\n\nulimit -a\ncat \/proc\/$$\/limits | sed -n '1,120p'\nsystemctl show -p MemoryMax -p MemoryHigh -p TasksMax \u5bfe\u8c61\u30b5\u30fc\u30d3\u30b9\u540d\ncat \/sys\/fs\/cgroup\/memory.max 2>\/dev\/null; cat \/sys\/fs\/cgroup\/memory.current 2>\/dev\/null\ndocker stats --no-stream 2>\/dev\/null\n\nC: \u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3084\u80a5\u5927\u5316\uff08\u5f90\u3005\u306b\u91cd\u304f\u306a\u308b\u30fb\u518d\u8d77\u52d5\u3067\u4e00\u6642\u56de\u5fa9\uff09\n\nps -eo pid,ppid,user,rss,vsz,comm --sort=-rss | head -n 15\ncat \/proc\/PID\/status | grep -E 'VmRSS|VmSize|Threads'\npmap -x PID | tail -n 30\n\nD: \u30b9\u30ef\u30c3\u30d7\u67af\u6e07 \/ \u65ad\u7247\u5316\u30fb\u8a2d\u5b9a\u8981\u56e0\uff08\u7a7a\u304d\u304c\u3042\u308b\u306e\u306b\u78ba\u4fdd\u3067\u304d\u306a\u3044\u611f\u89e6\uff09\n\nswapon --show\ncat \/proc\/meminfo | sed -n '1,40p'\nsysctl vm.overcommit_memory vm.overcommit_ratio vm.swappiness\n<\/pre>\n<p style=\"margin:8px 0 0 0; color:#6b7280; font-size:12px; line-height:1.6; overflow-wrap:anywhere; max-width:100%;\">\u203b 2\u306e\u6570\u5b57\u3060\u3051\u3092\u767d\u6587\u5b57\u306b\u3057\u3066\u3001\u89d2\u4e38\u306e\u7dd1\u5730\u30dc\u30c3\u30af\u30b9\u3067\u56f2\u3080<\/p>\n<\/div>\n<\/div>\n\n<\/div> <div style=\"margin-top:12px; max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; background:#ffffff;\"> <div style=\"display:flex; align-items:flex-start; gap:10px; max-width:100%; box-sizing:border-box; overflow:visible;\"> <span style=\"display:inline-block; min-width:22px; text-align:center; padding:2px 6px; border-radius:3px; background:#2563eb; color:#ffffff; font-weight:800; overflow-wrap:anywhere; max-width:100%;\">3<\/span> <div style=\"max-width:100%; box-sizing:border-box; overflow:visible;\"> <h3 style=\"margin:0; font-size:14px; color:#111827; overflow-wrap:anywhere; max-width:100%;\">\u9078\u629e\u3084\u884c\u52d5\u3059\u308b\u524d\u306b\uff1a\u5f71\u97ff\u7bc4\u56f2\u30921\u5206\u3067\u78ba\u8a8d\uff08\u3084\u308a\u904e\u304e\u9632\u6b62\uff09<\/h3> <p style=\"margin:6px 0 0 0; color:#374151; font-size:13px; line-height:1.6; overflow-wrap:anywhere; max-width:100%;\">\u672c\u756a\u30fb\u5171\u6709\u74b0\u5883\u30fb\u76e3\u67fb\u304c\u7d61\u3080\u307b\u3069\u3001\u5fdc\u6025\u51e6\u7f6e\u304c\u5225\u969c\u5bb3\u3092\u547c\u3073\u3084\u3059\u3044\u3067\u3059\u3002\u307e\u305a\u300c\u8ab0\u306b\u5f71\u97ff\u3059\u308b\u304b\u300d\u3092\u78ba\u8a8d\u3057\u3066\u3001\u624b\u3092\u5165\u308c\u308b\u7bc4\u56f2\u3092\u5c0f\u3055\u304f\u3057\u307e\u3059\u3002<\/p> <pre style=\"margin:10px 0 0 0; padding:12px; border-radius:3px; background:#111827; color:#ffffff; font-size:13px; line-height:1.55; white-space:pre-wrap; overflow-wrap:anywhere; word-break:break-word; max-width:100%; box-sizing:border-box;\"> # \u5f71\u97ff\u304c\u51fa\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u7bc4\u56f2\uff08\u843d\u3061\u3066\u3044\u308b\u306e\u306f1\u3064\u304b\u3001\u9023\u9396\u3057\u3066\u3044\u308b\u304b\uff09 systemctl --failed ss -lntup | head -n 60 uptime\n\u3044\u307e\u89e6\u308b\u3068\u5371\u306a\u3044\u5408\u56f3\uff08\u9ad8\u8ca0\u8377\u30fb\u30b9\u30ef\u30c3\u30d7\u5730\u7344\u30fbOOM\u9023\u767a\uff09\n\ntop -b -n 1 | head -n 25\ndmesg -T | grep -iE 'oom|killed process' | tail -n 10\n<\/pre>\n<p style=\"margin:8px 0 0 0; color:#6b7280; font-size:12px; line-height:1.6; overflow-wrap:anywhere; max-width:100%;\">\u203b 3\u306e\u6570\u5b57\u3060\u3051\u3092\u767d\u6587\u5b57\u306b\u3057\u3066\u3001\u89d2\u4e38\u306e\u9752\u5730\u30dc\u30c3\u30af\u30b9\u3067\u56f2\u3080<\/p>\n<\/div>\n<\/div>\n\n<\/div> <div style=\"margin-top:12px; max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #fed7aa; border-radius:3px; padding:12px; background:#fff7ed;\"> <h3 style=\"margin:0; font-size:14px; color:#7c2d12; overflow-wrap:anywhere; max-width:100%;\">\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<\/h3> <ul style=\"margin:8px 0 0 18px; padding:0; color:#7c2d12; font-size:13px; line-height:1.6; overflow-wrap:anywhere; max-width:100%;\"> <li style=\"margin:4px 0; overflow-wrap:anywhere; max-width:100%;\">\u539f\u56e0\u672a\u78ba\u5b9a\u306e\u307e\u307e\u5927\u91cf\u306b\u30d7\u30ed\u30bb\u30b9\u505c\u6b62\u3057\u3066\u3001\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u304c\u9577\u5f15\u304f\u3002<\/li> <li style=\"margin:4px 0; overflow-wrap:anywhere; max-width:100%;\">swap\u8ffd\u52a0\u3084\u8a2d\u5b9a\u5909\u66f4\u3092\u6025\u3044\u3067\u3001\u6027\u80fd\u52a3\u5316\u3084\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u9023\u767a\u3092\u62db\u304f\u3002<\/li> <li style=\"margin:4px 0; overflow-wrap:anywhere; max-width:100%;\">\u30b3\u30f3\u30c6\u30ca\u3084systemd\u306e\u4e0a\u9650\u3092\u7121\u95c7\u306b\u4e0a\u3052\u3066\u3001\u30db\u30b9\u30c8\u5168\u4f53\u304cOOM\u3067\u5dfb\u304d\u8fbc\u307e\u308c\u308b\u3002<\/li> <li style=\"margin:4px 0; overflow-wrap:anywhere; max-width:100%;\">\u30ed\u30b0\u3084\u8a3c\u8de1\u304c\u6d88\u3048\u308b\u904b\u7528\u3092\u3057\u3066\u3001\u76e3\u67fb\u30fb\u8abf\u67fb\u30fb\u5fa9\u65e7\u304c\u9577\u671f\u5316\u3059\u308b\u3002<\/li> <\/ul> <\/div> <div style=\"margin-top:12px; max-width:100%; box-sizing:border-box; overflow:visible; border:1px solid #e5e7eb; border-radius:3px; padding:12px; background:#ffffff;\"> <h3 style=\"margin:0; font-size:14px; color:#111827; overflow-wrap:anywhere; max-width:100%;\">\u8ff7\u3063\u305f\u3089\uff1a\u7121\u6599\u3067\u76f8\u8ac7\u3067\u304d\u307e\u3059<\/h3> <p style=\"margin:8px 0 0 0; color:#374151; font-size:13px; line-height:1.6; overflow-wrap:anywhere; max-width:100%;\"><strong>\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u7121\u6599\u76f8\u8ac7\u3059\u308b\u3068\u3001\u5207\u308a\u5206\u3051\u3092\u77ed\u6642\u9593\u3067\u56fa\u3081\u3066\u300c\u6700\u5c0f\u5909\u66f4\u3067\u306e\u53ce\u675f\u300d\u3092\u53d6\u308a\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<div style=\"margin-top:10px; max-width:100%; box-sizing:border-box; overflow:visible;\">\n  <div style=\"color:#4b5563; font-size:12px; line-height:1.8; overflow-wrap:anywhere; max-width:100%;\">\n    \u30fbOOM\u306a\u306e\u304b\u4e0a\u9650\u306a\u306e\u304b\u5224\u5b9a\u304c\u3064\u304b\u306a\u3044\u3002<br\/>\n    \u30fb\u30b3\u30f3\u30c6\u30ca\u3084cgroup\u306e\u5236\u9650\u5024\u3092\u3069\u3053\u3067\u898b\u308c\u3070\u3044\u3044\u304b\u8ff7\u3063\u305f\u3089\u3002<br\/>\n    \u30fbsystemd\u306eMemoryMax\u3092\u89e6\u308b\u524d\u306b\u78ba\u8a3c\u304c\u6b32\u3057\u3044\u3002<br\/>\n    \u30fb\u30b9\u30ef\u30c3\u30d7\u8ffd\u52a0\u304c\u6027\u80fd\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u304c\u8aad\u3081\u306a\u3044\u3002<br\/>\n    \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\u3080\u5834\u5408\u306f\u3001\u7121\u7406\u306b\u6a29\u9650\u3092\u89e6\u308b\u524d\u306b\u76f8\u8ac7\u3059\u308b\u3068\u65e9\u304f\u53ce\u675f\u3057\u3084\u3059\u3044\u3067\u3059\u3002<br\/>\n    \u30fb\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u7591\u3044\u3067\u3001\u3069\u306e\u30ed\u30b0\u3068\u6307\u6a19\u3092\u6b8b\u3059\u3079\u304d\u304b\u8ff7\u3063\u305f\u3089\u3002<br\/>\n    \u30fb\u518d\u8d77\u52d5\u3067\u9003\u3052\u3066\u826f\u3044\u7bc4\u56f2\u304b\u5224\u65ad\u3067\u304d\u306a\u3044\u3002<br\/>\n    \u30fb\u5909\u66f4\u3092\u5165\u308c\u308b\u3068\u304d\u306e\u624b\u9806\u66f8\u304c\u4f5c\u308c\u305a\u56f0\u3063\u305f\u3089\u3002\n  <\/div>\n<\/div>\n\n<div style=\"margin-top:12px; display:flex; flex-wrap:wrap; gap:10px; max-width:100%; box-sizing:border-box; overflow:visible;\">\n  <a href=\"https:\/\/jouhou.main.jp\/?page_id=26983\" style=\"display:inline-block; padding:10px 12px; border-radius:3px; background:#2563eb; color:#ffffff; text-decoration:none; font-weight:700; font-size:13px; overflow-wrap:anywhere; max-width:100%;\">\u7121\u6599\u76f8\u8ac7\u30d5\u30a9\u30fc\u30e0<\/a>\n  <a href=\"tel:0120838831\" style=\"display:inline-block; padding:10px 12px; border-radius:3px; background:#1e3a8a; color:#ffffff; text-decoration:none; font-weight:700; font-size:13px; overflow-wrap:anywhere; max-width:100%;\">\u96fb\u8a71\u3067\u76f8\u8ac7\uff080120-838-831\uff09<\/a>\n  <a href=\"tel:0434224240\" style=\"display:inline-block; padding:10px 12px; border-radius:3px; background:#0b1f4b; color:#ffffff; text-decoration:none; font-weight:700; font-size:13px; overflow-wrap:anywhere; max-width:100%;\">\u6280\u8853\u8005\u76f4\u901a\uff08043-422-4240\uff09<\/a>\n<\/div>\n\n<\/div> <\/section>\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-35269f4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"35269f4\" 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-d9a7768\" data-id=\"d9a7768\" 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-60bb591 elementor-widget elementor-widget-html\" data-id=\"60bb591\" 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\">\u7b2c1\u7ae0\uff1a\u307e\u305f\u30e1\u30e2\u30ea\u4e0d\u8db3\u304b\u2026\u73fe\u5834\u306e\u305f\u3081\u606f\u3068 ENOMEM(12) \u306e\u6b63\u4f53<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec02\">\u7b2c2\u7ae0\uff1aENOMEM \u304c\u51fa\u308b\u77ac\u9593\u2500\u2500malloc\/alloc \u3068\u30ab\u30fc\u30cd\u30eb\u306e\u300cNo\u300d\u306e\u8fd4\u4e8b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec03\">\u7b2c3\u7ae0\uff1a\u307e\u305a\u5207\u308a\u5206\u3051\u2500\u2500\u672c\u5f53\u306b\u201c\u7269\u7406\u30e1\u30e2\u30ea\u4e0d\u8db3\u201d\u306a\u306e\u304b\u3001\u5236\u9650\u306a\u306e\u304b<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec04\">\u7b2c4\u7ae0\uff1aulimit \/ limits.conf \u306e\u7f60\u2500\u2500\u610f\u5916\u3068\u52b9\u3044\u3066\u308b as \/ stack \u306e\u8a71<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec05\">\u7b2c5\u7ae0\uff1acgroups\u30fb\u30b3\u30f3\u30c6\u30ca\u30fbsystemd \u306e MemoryMax\u2500\u2500\u898b\u3048\u306a\u3044\u5929\u4e95\u3092\u7591\u3046<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec06\">\u7b2c6\u7ae0\uff1aOOM Killer \u306e\u52d5\u304d\u65b9\u2500\u2500dmesg\/journalctl \u3067\u300c\u6bba\u3055\u308c\u305f\u8a3c\u62e0\u300d\u3092\u62fe\u3046<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec07\">\u7b2c7\u7ae0\uff1aswap \u3068 overcommit\u2500\u2500\u5897\u3084\u3059\u3079\u304d\u304b\u3001\u6e1b\u3089\u3059\u3079\u304d\u304b\u306e\u5224\u65ad\u8ef8<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec08\">\u7b2c8\u7ae0\uff1a\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u30fb\u65ad\u7247\u5316\u30fb\u5de8\u5927\u30da\u30fc\u30b8\u2500\u2500\u30a2\u30d7\u30ea\u5074\u3067\u3067\u304d\u308b\u201c\u5148\u56de\u308a\u201d<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec09\">\u7b2c9\u7ae0\uff1a\u76e3\u8996\u3068\u518d\u767a\u9632\u6b62\u2500\u2500RSS\u3060\u3051\u898b\u3066\u3082\u8db3\u308a\u306a\u3044\uff08PSI, vmstat, p95\uff09<\/a><\/li> <li style=\"margin:40px 0;\"><a href=\"#sec10\">\u7b2c10\u7ae0\uff1a\u5e30\u7d50\uff1aENOMEM\u306f\u300c\u4e0d\u8db3\u300d\u3067\u306f\u306a\u304f\u300c\u5951\u7d04\u9055\u53cd\u300d\u2500\u2500\u4e0a\u9650\u3092\u53ef\u8996\u5316\u3057\u3001\u58ca\u308c\u65b9\u3092\u5236\u5fa1\u3059\u308b<\/a><\/li> <\/ul> <\/div> \r\n\r\n\r\n\r\n<p><strong>\u3010\u6ce8\u610f\u3011<\/strong> Ubuntu\u3067 ENOMEM(12) \u304c\u51fa\u305f\u3068\u304d\u3001\u539f\u56e0\u304c\u78ba\u5b9a\u3057\u306a\u3044\u307e\u307e\u518d\u8d77\u52d5\u30fb\u8ca0\u8377\u8a66\u9a13\u30fb\u8a2d\u5b9a\u5909\u66f4\u30fb\u5fa9\u65e7\u4f5c\u696d\u3092\u7e70\u308a\u8fd4\u3059\u3068\u3001\u969c\u5bb3\u304c\u9023\u9396\u3057\u3066\u88ab\u5bb3\u304c\u62e1\u5927\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306f\u30ed\u30b0\u3068\u8a2d\u5b9a\u306e\u4fdd\u5168\u3001\u696d\u52d9\u5f71\u97ff\u306e<strong>\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong>\uff08\u88ab\u5bb3\u6700\u5c0f\u5316\uff09\u3092\u512a\u5148\u3057\u3001\u500b\u5225\u306e\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u30fb\u5951\u7d04\u30fb\u53ef\u7528\u6027\u8981\u4ef6\u306b\u5373\u3057\u305f\u5224\u65ad\u306f\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u69d8\u306a\u5c02\u9580\u4e8b\u696d\u8005\u306b\u76f8\u8ac7\u3059\u308b\u4e8b\u3092\u63a8\u5968\u3057\u307e\u3059\uff08\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1ahttps:\/\/jouhou.main.jp\/?page_id=26983 \uff0f \u96fb\u8a71\uff1a0120-838-831\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;\">\u7b2c1\u7ae0\uff1a\u307e\u305f\u30e1\u30e2\u30ea\u4e0d\u8db3\u304b\u2026\u73fe\u5834\u306e\u305f\u3081\u606f\u3068 ENOMEM(12) \u306e\u6b63\u4f53<\/h2> <p>\u300c\u6628\u65e5\u307e\u3067\u52d5\u3044\u3066\u305f\u306e\u306b\u3001\u4eca\u65e5\u306f ENOMEM\u3002\u30e1\u30e2\u30ea\u5897\u8a2d\u3067\u7247\u3065\u304f\u8a71\u3058\u3083\u306a\u3044\u6c17\u304c\u3059\u308b\u2026\u300d\u2014\u2014\u3053\u306e\u201c\u5acc\u306a\u4e88\u611f\u201d\u306f\u3060\u3044\u305f\u3044\u5f53\u305f\u308a\u307e\u3059\u3002ENOMEM(12) \u306f\u5358\u306a\u308b\u7a7a\u304dRAM\u4e0d\u8db3\u3060\u3051\u3067\u306a\u304f\u3001\u30d7\u30ed\u30bb\u30b9\u306e\u4e0a\u9650\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u5236\u9650\u3001\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u5272\u308a\u5f53\u3066\u65b9\u91dd\u306a\u3069\u3001<strong>\u201c\u3069\u3053\u304b\u306e\u5951\u7d04\u6761\u4ef6\u306b\u5f15\u3063\u304b\u304b\u3063\u305f\u201d<\/strong>\u3068\u304d\u306b\u3082\u540c\u3058\u3088\u3046\u306b\u73fe\u308c\u307e\u3059\u3002<\/p> <p>\u3053\u3053\u3067\u7126\u3063\u3066\u3084\u308a\u304c\u3061\u306a\u884c\u52d5\uff08\u4f55\u5ea6\u3082\u518d\u8d77\u52d5\u3057\u3066\u69d8\u5b50\u3092\u898b\u308b\uff0f\u76e3\u8996\u3092\u5207\u3063\u3066\u8efd\u304f\u3059\u308b\uff0f\u3068\u308a\u3042\u3048\u305a\u30e1\u30e2\u30ea\u3092\u76db\u308b\uff09\u307b\u3069\u3001\u539f\u56e0\u306e\u624b\u304c\u304b\u308a\u3092\u6d88\u3057\u305f\u308a\u3001\u8ca0\u8377\u306e\u6ce2\u3092\u4f5c\u3063\u3066\u4e8c\u6b21\u969c\u5bb3\u3092\u8a98\u767a\u3057\u307e\u3059\u3002\u307e\u305a\u306f\u300c\u5834\u3092\u6574\u3048\u308b\u300d\u3053\u3068\u3001\u3064\u307e\u308a<strong>\u518d\u73fe\u3088\u308a\u5148\u306b\u201c\u8a3c\u62e0\u201d\u3092\u78ba\u4fdd\u3057\u3001\u5f71\u97ff\u3092\u6291\u3048\u8fbc\u307f\u3001\u5224\u65ad\u6750\u6599\u3092\u63c3\u3048\u308b<\/strong>\u306e\u304c\u6700\u77ed\u3067\u3059\u3002<\/p> <h3>\u5192\u982d30\u79d2\uff1a\u307e\u305a\u3084\u308b\u201c\u5b89\u5168\u306a\u521d\u52d5\u201d<\/h3> <ul> <li>\u76f4\u8fd1\u306e\u30a8\u30e9\u30fc\u30ed\u30b0\u3068\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\u3092\u9000\u907f\uff08\u4f8b\uff1ajournalctl\u3001dmesg\u3001\u30a2\u30d7\u30ea\u30ed\u30b0\uff09\u3002<\/li> <li>\u73fe\u5728\u306e\u5236\u9650\u30fb\u5b9f\u884c\u5f62\u614b\u3092\u8a18\u9332\uff08ulimit\u3001systemd unit\u3001\u30b3\u30f3\u30c6\u30ca\u8a2d\u5b9a\u3001\u8d77\u52d5\u5f15\u6570\u3001\u74b0\u5883\u5909\u6570\uff09\u3002<\/li> <li>\u8ca0\u8377\u3092\u5897\u3084\u3059\u64cd\u4f5c\uff08\u30d9\u30f3\u30c1\u3001\u5168\u53f0\u4e00\u6589\u518d\u8d77\u52d5\u3001\u30b9\u30b1\u30fc\u30eb\u64cd\u4f5c\u306e\u9023\u6253\uff09\u3092\u907f\u3051\u3001\u5f71\u97ff\u7bc4\u56f2\u3092\u56fa\u5b9a\u3059\u308b\u3002<\/li> <li>\u300c\u5fa9\u65e7\u4f5c\u696d\u300d\u3088\u308a\u5148\u306b\u3001\u696d\u52d9\u7d99\u7d9a\u306e\u4ee3\u66ff\u7d4c\u8def\uff08\u7e2e\u9000\u904b\u8ee2\u30fb\u6a5f\u80fd\u5236\u9650\u30fb\u4e00\u6642\u7684\u306a\u9694\u96e2\uff09\u3092\u691c\u8a0e\u3059\u308b\u3002<\/li> <\/ul> <hr> <h3>\u75c7\u72b6 \u2192 \u53d6\u308b\u3079\u304d\u884c\u52d5\uff08\u88ab\u5bb3\u6700\u5c0f\u5316\u306e\u305f\u3081\u306e\u65e9\u898b\u8868\uff09<\/h3> <table border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee;\">\u3088\u304f\u3042\u308b\u75c7\u72b6<\/th> <th style=\"background-color:#eeeeee;\">\u307e\u305a\u53d6\u308b\u3079\u304d\u884c\u52d5\uff08\u9806\u756a\u304c\u91cd\u8981\uff09<\/th> <th style=\"background-color:#eeeeee;\">\u907f\u3051\u305f\u3044\u884c\u52d5<\/th> <\/tr> <tr> <td>\u30a2\u30d7\u30ea\u304c\u7a81\u7136 ENOMEM \u3067\u843d\u3061\u308b\uff0f\u8d77\u52d5\u3057\u306a\u3044<\/td> <td>\u30ed\u30b0\u9000\u907f \u2192 \u5b9f\u884c\u30e6\u30fc\u30b6\u30fc\u306e ulimit \u8a18\u9332 \u2192 unit\/\u30b3\u30f3\u30c6\u30ca\u5236\u9650\u306e\u78ba\u8a8d<\/td> <td>\u539f\u56e0\u4e0d\u660e\u306e\u307e\u307e\u30e1\u30e2\u30ea\u5897\u8a2d\uff0f\u518d\u30c7\u30d7\u30ed\u30a4\u9023\u6253<\/td> <\/tr> <tr> <td>OOM Killer \u3089\u3057\u304d\u75d5\u8de1\u304c\u3042\u308b\uff08\u7a81\u7136\u30d7\u30ed\u30bb\u30b9\u304c\u6d88\u3048\u308b\uff09<\/td> <td>dmesg\/journalctl \u3067\u8a72\u5f53\u6642\u523b\u3092\u7279\u5b9a \u2192 kill\u5bfe\u8c61\u3068\u7406\u7531\u3092\u78ba\u8a8d \u2192 cgroups\u4e0a\u9650\u3092\u7591\u3046<\/td> <td>\u30ed\u30b0\u30ed\u30fc\u30c6\u30fb\u518d\u8d77\u52d5\u3067\u75d5\u8de1\u3092\u6d41\u3059<\/td> <\/tr> <tr> <td>\u30b3\u30f3\u30c6\u30ca\u5185\u3060\u3051\u4e0d\u5b89\u5b9a\u3001\u30db\u30b9\u30c8\u306f\u4f59\u88d5\u304c\u3042\u308b<\/td> <td>cgroups\u306e memory.max \/ memory.current \u3092\u78ba\u8a8d \u2192 \u8a2d\u5b9a\u5dee\u5206\u3092\u6d17\u3044\u51fa\u3059<\/td> <td>\u30db\u30b9\u30c8\u5074\u306efree\u3060\u3051\u898b\u3066\u300c\u4f59\u88d5\u300d\u3068\u65ad\u5b9a<\/td> <\/tr> <tr> <td>\u30b9\u30ec\u30c3\u30c9\u5897\u52a0\u30fbfork\u5931\u6557\u30fbmmap\u5931\u6557\u304c\u7d61\u3080<\/td> <td>\u30d7\u30ed\u30bb\u30b9\u4e0a\u9650\uff08nproc\uff09\u3084\u4eee\u60f3\u30e1\u30e2\u30ea\u4e0a\u9650\uff08as\uff09\u3092\u78ba\u8a8d \u2192 \u8a2d\u8a08\u5074\u306e\u4e0a\u9650\u3082\u70b9\u691c<\/td> <td>\u201c\u305f\u307e\u305f\u307e\u201d\u6271\u3044\u3067\u653e\u7f6e<\/td> <\/tr> <\/table> <hr> <p>\u3053\u306e\u30d6\u30ed\u30b0\u306e\u30b4\u30fc\u30eb\u306f\u300cENOMEM\u306e\u6b63\u4f53\u3092\u201c\u4e0d\u8db3\u201d\u3067\u306f\u306a\u304f\u201c\u5236\u7d04\u306e\u885d\u7a81\u201d\u3068\u3057\u3066\u6349\u3048\u76f4\u3057\u3001\u518d\u767a\u3092\u9632\u3050\u8a2d\u8a08\u30fb\u904b\u7528\u306b\u843d\u3068\u3057\u8fbc\u3080\u300d\u3053\u3068\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u73fe\u5b9f\u306e\u73fe\u5834\u306f\u5951\u7d04\u30fbSLO\u30fb\u30d4\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30fb\u4ed6\u30b7\u30b9\u30c6\u30e0\u4f9d\u5b58\u304c\u7d61\u307f\u3001\u4e00\u822c\u8ad6\u3060\u3051\u3067\u306f\u8edf\u7740\u9678\u3067\u304d\u307e\u305b\u3093\u3002\u5177\u4f53\u7684\u306a\u6848\u4ef6\u3068\u3057\u3066\u6574\u7406\u3059\u308b\u6bb5\u968e\u3067\u306f\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306b\u904b\u7528\u3068\u4fdd\u5168\u3092\u30bb\u30c3\u30c8\u3067\u898b\u3089\u308c\u308b\u5c02\u9580\u5bb6\u3078\u76f8\u8ac7\u3059\u308b\u306e\u304c\u3001\u7d50\u679c\u3068\u3057\u3066\u6700\u77ed\u8ddd\u96e2\u306b\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;\">\u7b2c2\u7ae0\uff1aENOMEM \u304c\u51fa\u308b\u77ac\u9593\u2500\u2500malloc\/alloc \u3068\u30ab\u30fc\u30cd\u30eb\u306e\u300cNo\u300d\u306e\u8fd4\u4e8b<\/h2> <p>\u30a2\u30d7\u30ea\u5074\u3067 ENOMEM \u3092\u898b\u308b\u5178\u578b\u306f\u3001C\/C++\u306a\u3089 malloc\/new\u3001Rust\u306a\u3089Vec\u62e1\u5f35\u3001Go\u306a\u3089\u5927\u304d\u306a\u5272\u308a\u5f53\u3066\u3001Java\u306a\u3089\u30cd\u30a4\u30c6\u30a3\u30d6\u9818\u57df\u3084DirectBuffer\u3001Python\u306a\u3089\u5de8\u5927\u306a\u914d\u5217\u78ba\u4fdd\u306a\u3069\u3001\u201c\u3069\u3053\u304b\u3067\u78ba\u4fdd\u304c\u5931\u6557\u3057\u305f\u201d\u5c40\u9762\u3067\u3059\u3002\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001ENOMEM \u306f\u300cRAM\u304c\u67af\u308c\u305f\u300d\u3060\u3051\u306e\u30b5\u30a4\u30f3\u3067\u306f\u306a\u304f\u3001<strong>\u30ab\u30fc\u30cd\u30eb\u304c\u201c\u305d\u306e\u78ba\u4fdd\u8981\u6c42\u3092\u6e80\u305f\u305b\u306a\u3044\uff08\u6e80\u305f\u3055\u306a\u3044\uff09\u201d\u3068\u5224\u65ad\u3057\u305f<\/strong>\u3068\u3044\u3046\u4e8b\u5b9f\u3060\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/p> <h3>ENOMEM\u306e\u4ee3\u8868\u7684\u306a\u767a\u751f\u30d1\u30bf\u30fc\u30f3<\/h3> <ul> <li><strong>\u4eee\u60f3\u30e1\u30e2\u30ea\uff08\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\uff09\u3092\u78ba\u4fdd\u3067\u304d\u306a\u3044<\/strong>\uff1ammap\/munmap\u306e\u7e70\u308a\u8fd4\u3057\u3067\u65ad\u7247\u5316\u300132bit\u30d7\u30ed\u30bb\u30b9\u306e\u4e0a\u9650\u3001\u5de8\u5927\u9023\u7d9a\u9818\u57df\u304c\u53d6\u308c\u306a\u3044\u7b49\u3002<\/li> <li><strong>\u30ea\u30bd\u30fc\u30b9\u5236\u9650\u306b\u62b5\u89e6<\/strong>\uff1aRLIMIT_AS\uff08\u4eee\u60f3\u30e1\u30e2\u30ea\u4e0a\u9650\uff09\u3001RLIMIT_STACK\uff08\u30b9\u30bf\u30c3\u30af\u4e0a\u9650\uff09\u3001\u30d7\u30ed\u30bb\u30b9\u6570\u5236\u9650\u3001systemd\/cgroups\u306e\u5236\u9650\u3002<\/li> <li><strong>\u30b3\u30df\u30c3\u30c8\u5236\u5fa1\uff08overcommit\uff09\u3068\u6574\u5408\u3057\u306a\u3044<\/strong>\uff1a\u78ba\u4fdd\u8981\u6c42\u306b\u5bfe\u3057\u3001\u5c06\u6765\u306e\u5b9f\u30e1\u30e2\u30ea\u88cf\u4ed8\u3051\u304c\u898b\u8fbc\u3081\u306a\u3044\u3068\u5224\u65ad\u3055\u308c\u308b\u3002<\/li> <li><strong>\u30ab\u30fc\u30cd\u30eb\u5074\u3067\u7279\u5b9a\u7a2e\u5225\u306e\u30e1\u30e2\u30ea\u304c\u4e0d\u8db3<\/strong>\uff1a\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u3084\u533f\u540d\u30e1\u30e2\u30ea\u3068\u306f\u5225\u306b\u3001\u5272\u308a\u5f53\u3066\u6761\u4ef6\uff08\u9023\u7d9a\u6027\u3001\u30d4\u30f3\u7559\u3081\u3001\u4f4e\u30e1\u30e2\u30ea\u9818\u57df\u306a\u3069\uff09\u3067\u5931\u6557\u3059\u308b\u3002<\/li> <\/ul> <hr> <p>\u3053\u3053\u3067\u3088\u304f\u3042\u308b\u201c\u52d8\u9055\u3044\u201d\u306f\u3001free -h \u306e\u7a7a\u304d\u304c\u6b8b\u3063\u3066\u3044\u308b\u306e\u306b ENOMEM \u304c\u51fa\u308b\u3068\u300cLinux\u306e\u30e1\u30e2\u30ea\u8868\u793a\u306f\u5f53\u3066\u306b\u306a\u3089\u306a\u3044\u300d\u3068\u7d50\u8ad6\u3065\u3051\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3059\u3002\u5b9f\u969b\u306b\u306f\u3001\u8868\u793a\u4e0a\u306e\u7a7a\u304d\u3068\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u4eca\u5fc5\u8981\u3068\u3057\u3066\u3044\u308b\u201c\u78ba\u4fdd\u6761\u4ef6\u3092\u6e80\u305f\u305b\u308b\u7a7a\u304d\u201d\u306f\u5225\u7269\u3067\u3059\u3002\u7279\u306b\u30b3\u30f3\u30c6\u30ca\u904b\u7528\u3067\u306f\u3001\u30db\u30b9\u30c8\u306e\u4f59\u88d5\u304c\u3042\u3063\u3066\u3082\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u4e0a\u9650\uff08cgroups\uff09\u3067\u78ba\u4fdd\u304c\u62d2\u5426\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <h3>\u307e\u305a\u62bc\u3055\u3048\u308b\u3079\u304d\u89b3\u70b9\uff1aENOMEM\u306f\u201c\u3069\u306e\u5c64\u201d\u3067\u8fd4\u3063\u3066\u304d\u305f\u304b<\/h3> <p>\u30a2\u30d7\u30ea\u304c errno=ENOMEM \u3092\u53d7\u3051\u53d6\u308b\u7d4c\u8def\u306f\u3001\u3056\u3063\u304f\u308a\u300c\u30e6\u30fc\u30b6\u30fc\u7a7a\u9593\u306e\u30e9\u30f3\u30bf\u30a4\u30e0\u304c\u5931\u6557\u3057\u305f\u300d\u306e\u3067\u306f\u306a\u304f\u3001\u6700\u5f8c\u306f\u30ab\u30fc\u30cd\u30eb\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u5224\u65ad\u306b\u884c\u304d\u7740\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6b21\u7ae0\u306e\u5207\u308a\u5206\u3051\u306f<strong>\u300cRAM\u300d\u300cswap\u300d\u300c\u4e0a\u9650\u300d\u300c\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u300d\u300c\u30b3\u30f3\u30c6\u30ca\u5236\u9650\u300d\u300cOOM\u306e\u75d5\u8de1\u300d<\/strong>\u3068\u3044\u3046\u8907\u6570\u30ec\u30a4\u30e4\u3092\u9806\u756a\u306b\u6f70\u3059\u4f5c\u696d\u306b\u306a\u308a\u307e\u3059\u3002\u95c7\u96f2\u306b\u201c\u5897\u3084\u3059\u201d\u524d\u306b\u3001\u201c\u3069\u306e\u5929\u4e95\u306b\u982d\u3092\u3076\u3064\u3051\u305f\u304b\u201d\u3092\u78ba\u5b9a\u3055\u305b\u307e\u3057\u3087\u3046\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;\">\u7b2c3\u7ae0\uff1a\u307e\u305a\u5207\u308a\u5206\u3051\u2500\u2500\u672c\u5f53\u306b\u201c\u7269\u7406\u30e1\u30e2\u30ea\u4e0d\u8db3\u201d\u306a\u306e\u304b\u3001\u5236\u9650\u306a\u306e\u304b<\/h2> <p>\u5207\u308a\u5206\u3051\u306f\u3001\u518d\u73fe\u5b9f\u9a13\u3088\u308a\u3082\u5148\u306b\u300c\u73fe\u5834\u306e\u72b6\u614b\u3092\u58ca\u3055\u305a\u306b\u8aad\u3080\u300d\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001<strong>1) \u4e8b\u8c61\u6642\u523b\u30012) \u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u30013) \u5b9f\u884c\u5f62\u614b\uff08\u30db\u30b9\u30c8\/\u30b3\u30f3\u30c6\u30ca\/systemd\uff09<\/strong>\u3092\u63c3\u3048\u3001\u305d\u3053\u304b\u3089\u9806\u306b\u89b3\u6e2c\u3057\u307e\u3059\u3002<\/p> <h3>\u89b3\u6e2c\u306e\u9806\u756a\uff08\u58ca\u3057\u306b\u304f\u3044\u9806\uff09<\/h3> <ol> <li><strong>\u30ed\u30b0<\/strong>\uff1a\u30a2\u30d7\u30ea\u30ed\u30b0\u3001journalctl\u3001dmesg\uff08\u4e8b\u8c61\u6642\u523b\u306e\u524d\u5f8c\u3092\u4e2d\u5fc3\u306b\uff09\u3002<\/li> <li><strong>\u73fe\u5728\u5024<\/strong>\uff1afree -h \/ vmstat \/ \/proc\/meminfo \/ \/proc\/pressure\uff08PSI\u304c\u4f7f\u3048\u308b\u74b0\u5883\uff09\u3002<\/li> <li><strong>\u5236\u9650<\/strong>\uff1aulimit -a\u3001\/etc\/security\/limits.conf\u3001systemd unit\u3001cgroups\u3002<\/li> <li><strong>\u69cb\u6210\u5dee\u5206<\/strong>\uff1a\u30c7\u30d7\u30ed\u30a4\u5dee\u5206\u3001\u8d77\u52d5\u5f15\u6570\u3001\u74b0\u5883\u5909\u6570\u3001\u4f9d\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u5dee\u5206\u3002<\/li> <\/ol> <hr> <h3>OOM Killer\u306e\u75d5\u8de1\u3092\u6700\u512a\u5148\u3067\u63a2\u3059\u7406\u7531<\/h3> <p>\u300cENOMEM\u304c\u51fa\u305f\u300d\u3068\u540c\u6642\u306b\u30d7\u30ed\u30bb\u30b9\u304c\u6d88\u3048\u3066\u3044\u308b\u5834\u5408\u3001ENOMEM\u3092\u201c\u898b\u305f\u201d\u306e\u306f\u5225\u30d7\u30ed\u30bb\u30b9\u3067\u3001\u672c\u4f53\u306fOOM\u306b\u3088\u308a\u5f37\u5236\u7d42\u4e86\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002OOM\u306f\u300c\u30e1\u30e2\u30ea\u304c\u8db3\u308a\u306a\u3044\u300d\u3088\u308a\u3082\u300c\u5236\u9650\u3084\u30b3\u30df\u30c3\u30c8\u306e\u6761\u4ef6\u3092\u6e80\u305f\u305b\u305a\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u9078\u5225\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u3092\u7d42\u4e86\u3055\u305b\u305f\u300d\u30a4\u30d9\u30f3\u30c8\u3067\u3059\u3002dmesg\/journalctl \u306b\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u540d\u3084PID\u3001kill\u3055\u308c\u305f\u65e8\u304c\u6b8b\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u3053\u3053\u304c\u53d6\u308c\u308b\u3068\u539f\u56e0\u89e3\u50cf\u5ea6\u304c\u4e00\u6bb5\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p> <h3>\u30b3\u30f3\u30c6\u30ca\uff0fsystemd\u904b\u7528\u306a\u3089\u201c\u898b\u3048\u306a\u3044\u4e0a\u9650\u201d\u3092\u7591\u3046<\/h3> <p>\u30db\u30b9\u30c8\u306efree\u3060\u3051\u3092\u898b\u3066\u5224\u65ad\u3059\u308b\u3068\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u306e memory.max\uff08\u307e\u305f\u306f\u985e\u4f3c\u306e\u5236\u9650\uff09\u306b\u6c17\u3065\u3051\u307e\u305b\u3093\u3002systemd\u3067\u3042\u308c\u3070 MemoryMax \u306a\u3069\u306e\u30e6\u30cb\u30c3\u30c8\u8a2d\u5b9a\u3001Kubernetes\u306a\u3089 requests\/limits\u3001Docker\u306a\u3089 --memory \u7b49\u3001\u5b9f\u884c\u5f62\u614b\u3054\u3068\u306b\u5236\u9650\u306e\u5165\u53e3\u304c\u5909\u308f\u308a\u307e\u3059\u3002ENOMEM\u306e\u591a\u304f\u306f\u3001\u3053\u306e<strong>\u5165\u53e3\u306e\u9055\u3044<\/strong>\u3092\u898b\u843d\u3068\u3057\u305f\u3068\u304d\u306b\u9577\u5f15\u304d\u307e\u3059\u3002<\/p> <hr> <h3>\u300c\u4e0d\u8db3\u300d\u304b\u300c\u5236\u9650\u300d\u304b\u3092\u5206\u3051\u308b\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8<\/h3> <table border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee;\">\u89b3\u70b9<\/th> <th style=\"background-color:#eeeeee;\">\u4e0d\u8db3\u5bc4\u308a\u306e\u30b5\u30a4\u30f3<\/th> <th style=\"background-color:#eeeeee;\">\u5236\u9650\u5bc4\u308a\u306e\u30b5\u30a4\u30f3<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u30db\u30b9\u30c8\u306e\u72b6\u614b<\/td> <td>swap\u591a\u7528\u3001kswapd\u304c\u5fd9\u3057\u3044\u3001PSI\u304c\u9ad8\u3044\u3001\u5168\u4f53\u7684\u306b\u9045\u3044<\/td> <td>\u30db\u30b9\u30c8\u306f\u4f59\u88d5\u3001\u7279\u5b9a\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3060\u3051\u843d\u3061\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u5bfe\u8c61\u7bc4\u56f2<\/td> <td>\u8907\u6570\u30b5\u30fc\u30d3\u30b9\u306b\u6ce2\u53ca\u3057\u3084\u3059\u3044<\/td> <td>\u7279\u5b9a\u30b3\u30f3\u30c6\u30ca\uff0f\u7279\u5b9a\u30e6\u30cb\u30c3\u30c8\u306b\u9650\u5b9a<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u30ed\u30b0<\/td> <td>OOM\u304c\u8907\u6570\u3001\u30e1\u30e2\u30ea\u5727\u8feb\u306e\u5146\u5019\u304c\u5e83\u3044<\/td> <td>unit\/\u30b3\u30f3\u30c6\u30ca\u306b\u7d10\u3065\u304fkill\u3001\u5236\u9650\u8d85\u904e\u306e\u75d5\u8de1<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u518d\u73fe\u6027<\/td> <td>\u30d4\u30fc\u30af\u8ca0\u8377\u30fb\u540c\u6642\u5b9f\u884c\u3067\u518d\u73fe<\/td> <td>\u8a2d\u5b9a\u5909\u66f4\u30fb\u30c7\u30d7\u30ed\u30a4\u5dee\u5206\u3067\u6025\u306b\u51fa\u308b<\/td> <\/tr> <\/table> <p>\u3053\u3053\u307e\u3067\u3067\u300c\u4e0d\u8db3\u304b\uff0f\u5236\u9650\u304b\u300d\u306e\u5f53\u305f\u308a\u304c\u4ed8\u3044\u305f\u3089\u3001\u6b21\u306f\u5177\u4f53\u7684\u306a\u5236\u9650\uff08ulimit\u3001cgroups\u3001systemd\u3001\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\uff09\u3092\u6f70\u3057\u8fbc\u307f\u307e\u3059\u3002\u3053\u3053\u304b\u3089\u5148\u306f\u201c\u73fe\u5834\u306e\u5951\u7d04\u6761\u4ef6\u201d\u3068\u76f4\u7d50\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u540c\u3058ENOMEM\u3067\u3082\u300c\u591c\u9593\u30d0\u30c3\u30c1\u306a\u3089\u843d\u3068\u3057\u3066\u30ea\u30c8\u30e9\u30a4\u3067\u826f\u3044\u300d\u30b1\u30fc\u30b9\u3068\u3001\u300c\u6c7a\u6e08\u306e\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30d1\u30b9\u3067\u843d\u3061\u308b\u306e\u3067\u8a2d\u8a08\u304b\u3089\u898b\u76f4\u3059\u300d\u30b1\u30fc\u30b9\u3067\u306f\u3001\u63a1\u308b\u3079\u304d\u6539\u5584\u7b56\u304c\u307e\u3063\u305f\u304f\u9055\u3044\u307e\u3059\u3002\u500b\u5225\u5224\u65ad\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u6642\u70b9\u3067\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u3068\u4e00\u7dd2\u306b\u6574\u7406\u3057\u305f\u65b9\u304c\u3001\u9060\u56de\u308a\u3092\u907f\u3051\u3084\u3059\u304f\u306a\u308a\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;\">\u7b2c4\u7ae0\uff1aulimit \/ limits.conf \u306e\u7f60\u2500\u2500\u610f\u5916\u3068\u52b9\u3044\u3066\u308b as \/ stack \u306e\u8a71<\/h2> <p>\u300c\u30e1\u30e2\u30ea\u306f\u5341\u5206\u3042\u308b\u306f\u305a\u306a\u306e\u306b ENOMEM\u300d\u2014\u2014\u3053\u306e\u3068\u304d\u3001\u771f\u3063\u5148\u306b\u7591\u3046\u3079\u304d\u201c\u5206\u304b\u308a\u3084\u3059\u3044\u5929\u4e95\u201d\u304c ulimit\uff08RLIMIT\u7cfb\uff09\u3067\u3059\u3002\u7279\u306b\u3001\u30b5\u30fc\u30d3\u30b9\u3092 systemd \u7d4c\u7531\u3067\u8d77\u52d5\u3057\u3066\u3044\u305f\u308a\u3001\u30ed\u30b0\u30a4\u30f3\u30b7\u30a7\u30eb\u3068\u7570\u306a\u308b\u5b9f\u884c\u30e6\u30fc\u30b6\u30fc\u3067\u52d5\u304b\u3057\u3066\u3044\u308b\u3068\u3001\u958b\u767a\u8005\u306e\u60f3\u5b9a\u3068\u9055\u3046\u5236\u9650\u5024\u304c\u5165\u308a\u304c\u3061\u3067\u3059\u3002<\/p> <h3>\u3088\u304f\u52b9\u3044\u3066\u3057\u307e\u3046\u5236\u9650\u306e\u4ee3\u8868\u4f8b<\/h3> <ul> <li><strong>RLIMIT_AS\uff08ulimit -v \/ as\uff09<\/strong>\uff1a\u30d7\u30ed\u30bb\u30b9\u304c\u4f7f\u3048\u308b\u4eee\u60f3\u30e1\u30e2\u30ea\u306e\u4e0a\u9650\u3002mmap\u3084\u5de8\u5927\u78ba\u4fdd\u3067 ENOMEM \u3092\u8a98\u767a\u3057\u3084\u3059\u3044\u3002<\/li> <li><strong>RLIMIT_STACK\uff08ulimit -s\uff09<\/strong>\uff1a\u30b9\u30ec\u30c3\u30c9\u304c\u591a\u3044\u3001\u6df1\u3044\u518d\u5e30\u3001\u5de8\u5927\u30b9\u30bf\u30c3\u30af\u30d5\u30ec\u30fc\u30e0\u7b49\u3067\u554f\u984c\u5316\u3002<\/li> <li><strong>RLIMIT_MEMLOCK<\/strong>\uff1a\u30ed\u30c3\u30af\u30e1\u30e2\u30ea\u4e0a\u9650\u3002\u7279\u5b9a\u7528\u9014\uff08\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3001\u6697\u53f7\u3001DB\u306e\u4e00\u90e8\u8a2d\u5b9a\uff09\u3067\u5f71\u97ff\u3002<\/li> <li><strong>nproc<\/strong>\uff1afork\/\u30b9\u30ec\u30c3\u30c9\u751f\u6210\u304c\u8a70\u307e\u308a\u3001\u7d50\u679c\u3068\u3057\u3066\u5225\u306e\u7b87\u6240\u3067\u78ba\u4fdd\u5931\u6557\u306b\u898b\u3048\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <\/ul> <hr> <h3>\u201c\u30ed\u30b0\u30a4\u30f3\u6642\u306b\u898b\u305fulimit\u201d\u3068\u201c\u5b9f\u904b\u7528\u306eulimit\u201d\u304c\u9055\u3046\u554f\u984c<\/h3> <p>SSH\u3067\u5165\u3063\u3066 ulimit -a \u3092\u898b\u3066\u300c\u554f\u984c\u306a\u3044\u300d\u3068\u5224\u65ad\u3057\u3066\u3082\u3001\u5b9f\u969b\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u8d77\u52d5\u3057\u3066\u3044\u308b\u306e\u304c systemd \u306e\u5834\u5408\u3001LimitAS\/LimitSTACK \u7b49\u3067\u5225\u306e\u5024\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001PAM\u7d4c\u7531\u306e limits.conf \u306f\u300c\u30ed\u30b0\u30a4\u30f3\u30bb\u30c3\u30b7\u30e7\u30f3\u300d\u306b\u52b9\u3044\u3066\u3082\u3001\u30b5\u30fc\u30d3\u30b9\u8d77\u52d5\u306b\u306f\u53cd\u6620\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u5207\u308a\u5206\u3051\u3067\u91cd\u8981\u306a\u306e\u306f<strong>\u201c\u305d\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u5b9f\u969b\u306b\u53d7\u3051\u3066\u3044\u308b\u5236\u9650\u5024\u201d<\/strong>\u3067\u3059\u3002<\/p> <h3>\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u306e\u89b3\u70b9\uff1aRAM\u306f\u4f59\u3063\u3066\u3044\u3066\u3082AS\u304c\u8db3\u308a\u306a\u3044<\/h3> <p>ENOMEM\u304c\u4eee\u60f3\u30e1\u30e2\u30ea\uff08\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\uff09\u8d77\u56e0\u3067\u51fa\u308b\u30b1\u30fc\u30b9\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u3084ulimit\u3060\u3051\u3067\u306a\u304f\u300132bit\u30d7\u30ed\u30bb\u30b9\u3084\u3001\u65ad\u7247\u5316\u306b\u3088\u3063\u3066\u300c\u9023\u7d9a\u3057\u305f\u5927\u304d\u306a\u9818\u57df\u304c\u53d6\u308c\u306a\u3044\u300d\u5834\u5408\u306b\u3082\u8d77\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u5927\u304d\u306a\u9023\u7d9a\u30d0\u30c3\u30d5\u30a1\u3092\u78ba\u4fdd\u3059\u308b\u5b9f\u88c5\u3001\u5de8\u5927\u306a\u30e1\u30e2\u30ea\u30de\u30c3\u30d7\u3001\u6975\u7aef\u306b\u591a\u3044mmap\u9818\u57df\u306a\u3069\u306f\u3001AS\u5236\u7d04\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u3053\u3053\u306f\u201c\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\uff08RSS\uff09\u201d\u3060\u3051\u8ffd\u3063\u3066\u3044\u308b\u3068\u898b\u843d\u3068\u3057\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p> <hr> <h3>\u6539\u5584\u306e\u65b9\u5411\u6027\uff1a\u4e0a\u9650\u3092\u4e0a\u3052\u308b\u524d\u306b\u201c\u306a\u305c\u5fc5\u8981\u304b\u201d\u3092\u8aac\u660e\u53ef\u80fd\u306b\u3059\u308b<\/h3> <p>\u5236\u9650\u5024\u3092\u4e0a\u3052\u308c\u3070\u4e00\u65e6\u306f\u53ce\u675f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4e0a\u9650\u306e\u5f15\u304d\u4e0a\u3052\u306f\u300c\u3069\u3053\u304b\u5225\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3078\u62bc\u3057\u51fa\u3059\u300d\u3060\u3051\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u305f\u3068\u3048\u3070 RLIMIT_AS \u3092\u7121\u5236\u9650\u306b\u3057\u3066\u3082\u3001\u6b21\u306f cgroups \u306e memory.max \u3067\u843d\u3061\u308b\u3001\u3042\u308b\u3044\u306fOOM\u3067\u5225\u30d7\u30ed\u30bb\u30b9\u304c\u5dfb\u304d\u8fbc\u307e\u308c\u308b\u3001\u3068\u3044\u3063\u305f\u5f62\u3067\u4e0d\u5b89\u5b9a\u3055\u304c\u79fb\u52d5\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <p>\u73fe\u5834\u3067\u8179\u843d\u3061\u3059\u308b\u6539\u5584\u306f\u3001\u300c\u3053\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u6700\u5927\u540c\u6642\u25ef\u4ef6\u3067\u30011\u4ef6\u3042\u305f\u308a\u6700\u5927\u25efMB\u306e\u30d4\u30fc\u30af\u3092\u6301\u3064\u3002\u3060\u304b\u3089\u4e0a\u9650\u306f\u25efGB\u5fc5\u8981\u3067\u3001\u3055\u3089\u306b\u7570\u5e38\u7cfb\u3067\u306e\u30b9\u30d1\u30a4\u30af\u3092\u25ef%\u307e\u3067\u8a31\u5bb9\u3059\u308b\u300d\u3068\u3044\u3063\u305f<strong>\u8aac\u660e\u53ef\u80fd\u306a\u8a2d\u8a08<\/strong>\u306b\u843d\u3068\u3057\u8fbc\u3080\u3053\u3068\u3067\u3059\u3002\u3053\u3053\u304b\u3089\u5148\u306f\u3001\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3001SLO\u3001\u5468\u8fba\u30b7\u30b9\u30c6\u30e0\u306e\u4f59\u529b\u3001\u5951\u7d04\u6761\u4ef6\u3092\u542b\u3080\u201c\u500b\u5225\u6848\u4ef6\u201d\u306b\u306a\u308a\u307e\u3059\u3002\u4e00\u822c\u8ad6\u306e\u7bc4\u56f2\u3092\u8d85\u3048\u305f\u6642\u70b9\u3067\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u306b\u72b6\u6cc1\u3092\u6574\u7406\u3057\u3066\u3082\u3089\u3046\u65b9\u304c\u3001\u8ffd\u52a0\u306e\u30c8\u30e9\u30d6\u30eb\u3092\u5897\u3084\u3055\u305a\u306b\u8edf\u7740\u9678\u3057\u3084\u3059\u304f\u306a\u308a\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;\">\u7b2c5\u7ae0\uff1acgroups\u30fb\u30b3\u30f3\u30c6\u30ca\u30fbsystemd \u306e MemoryMax\u2500\u2500\u898b\u3048\u306a\u3044\u5929\u4e95\u3092\u7591\u3046<\/h2> <p>\u300c\u30db\u30b9\u30c8\u306f\u7a7a\u3044\u3066\u308b\u306e\u306b\u3001\u30b3\u30f3\u30c6\u30ca\u3060\u3051\u843d\u3061\u308b\u3002free -h \u3060\u3068\u4f59\u88d5\u306a\u306e\u306b\u2026\u300d\u2014\u2014\u3053\u306e\u72b6\u6cc1\u306f\u3001\u307b\u307c\u201c\u898b\u3048\u306a\u3044\u5929\u4e95\u201d\u3067\u3059\u3002\u30b3\u30f3\u30c6\u30ca\u3084 systemd \u30b5\u30fc\u30d3\u30b9\u306f\u3001\u30db\u30b9\u30c8\u5168\u4f53\u306e\u30e1\u30e2\u30ea\u3068\u306f\u5225\u306b\u3001<strong>cgroups\uff08\u5236\u5fa1\u30b0\u30eb\u30fc\u30d7\uff09<\/strong>\u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u30e1\u30e2\u30ea\u4e0a\u9650\u3092\u8ab2\u3055\u308c\u307e\u3059\u3002\u3053\u3053\u3092\u898b\u843d\u3068\u3059\u3068\u3001\u539f\u56e0\u8abf\u67fb\u304c\u300c\u30a2\u30d7\u30ea\u306e\u30ea\u30fc\u30af\u300d\u304b\u300cOS\u306e\u4e0d\u8abf\u300d\u304b\u306e\u4e8c\u629e\u306b\u306a\u308a\u3001\u3044\u3064\u307e\u3067\u3082\u53ce\u675f\u3057\u307e\u305b\u3093\u3002<\/p> <h3>cgroups\u3067\u4f55\u304c\u8d77\u304d\u308b\u304b\uff08\u76f4\u611f\uff09<\/h3> <p>cgroups \u306f\u300c\u3053\u306e\u30b0\u30eb\u30fc\u30d7\u306e\u30d7\u30ed\u30bb\u30b9\u7fa4\u304c\u4f7f\u3048\u308b\u8cc7\u6e90\u306f\u3001\u3053\u3053\u307e\u3067\u300d\u3068\u3044\u3046\u30eb\u30fc\u30eb\u3092\u30ab\u30fc\u30cd\u30eb\u306b\u4e0e\u3048\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30db\u30b9\u30c8\u5168\u4f53\u3067\u306f\u4f59\u88d5\u304c\u3042\u3063\u3066\u3082\u3001\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u304c\u6240\u5c5e\u3059\u308b cgroup \u306e\u4e0a\u9650\uff08\u305f\u3068\u3048\u3070 memory.max\uff09\u3092\u8d85\u3048\u308b\u3068\u3001\u78ba\u4fdd\u304c\u5931\u6557\u3057\u3066 ENOMEM \u306b\u306a\u3063\u305f\u308a\u3001OOM \u3067\u843d\u3068\u3055\u308c\u305f\u308a\u3057\u307e\u3059\u3002\u73fe\u5834\u7684\u306b\u306f<strong>\u201c\u540c\u3058\u30de\u30b7\u30f3\u4e0a\u3067\u3001\u5225\u306e\u8ca1\u5e03\u3092\u6e21\u3055\u308c\u3066\u3044\u308b\u201d<\/strong>\u611f\u899a\u304c\u8fd1\u3044\u3067\u3059\u3002<\/p> <hr> <h3>cgroups v2\uff08\u73fe\u884c\u3067\u591a\u3044\uff09\u306e\u78ba\u8a8d\u30dd\u30a4\u30f3\u30c8<\/h3> <p>cgroups v2 \u3067\u306f\u3001\u6982\u306d\u6b21\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u89b3\u6e2c\u306e\u8ef8\u306b\u306a\u308a\u307e\u3059\uff08\u914d\u7f6e\u306f\u74b0\u5883\u306b\u3088\u308a\u7570\u306a\u308a\u307e\u3059\u304c\u8003\u3048\u65b9\u306f\u540c\u3058\u3067\u3059\uff09\u3002<\/p> <ul> <li><strong>memory.current<\/strong>\uff1a\u4eca\u3069\u308c\u304f\u3089\u3044\u4f7f\u3063\u3066\u3044\u308b\u304b\uff08\u305d\u306ecgroup\u306e\u73fe\u5728\u5024\uff09\u3002<\/li> <li><strong>memory.max<\/strong>\uff1a\u4e0a\u9650\uff08\u3053\u3053\u3092\u8d85\u3048\u308b\u3068\u78ba\u4fdd\u304c\u901a\u308a\u306b\u304f\u304f\u306a\u308a\u3001\u6700\u7d42\u7684\u306bOOM\u3078\uff09\u3002<\/li> <li><strong>memory.high<\/strong>\uff1a\u30bd\u30d5\u30c8\u4e0a\u9650\uff08\u8d85\u3048\u59cb\u3081\u308b\u3068\u6291\u5236\u304c\u304b\u304b\u308a\u3001\u9045\u5ef6\u3084\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0\u306e\u5146\u5019\u306b\u306a\u308a\u5f97\u308b\uff09\u3002<\/li> <li><strong>memory.events<\/strong>\uff1a\u4e0a\u9650\u5230\u9054\u3084OOM\u95a2\u9023\u306e\u30a4\u30d9\u30f3\u30c8\u56de\u6570\u304c\u8a18\u9332\u3055\u308c\u308b\u3002<\/li> <\/ul> <p>\u3053\u3053\u3067\u5927\u4e8b\u306a\u306e\u306f\u3001<strong>\u300c\u4e0a\u9650\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u300d\u3067\u306f\u306a\u304f\u300c\u4e0a\u9650\u304c\u3001\u3044\u3064\u30fb\u3069\u308c\u3060\u3051\u30fb\u8ab0\u306b\u52b9\u3044\u305f\u304b\u300d<\/strong>\u3067\u3059\u3002\u5358\u306b\u4e0a\u9650\u3092\u4e0a\u3052\u308b\u3068\u4e00\u6642\u7684\u306b\u53ce\u675f\u3057\u3066\u3082\u3001\u30d4\u30fc\u30af\u6642\u306b\u5225\u306e\u7b87\u6240\u3067\u540c\u3058\u5f62\u306e\u4e8b\u6545\u304c\u518d\u767a\u3057\u307e\u3059\u3002<\/p> <hr> <h3>systemd\u306e MemoryMax \u306f \u201ccgroups\u306e\u5929\u4e95\u201d \u305d\u306e\u3082\u306e<\/h3> <p>systemd \u3067\u8d77\u52d5\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u306f\u3001unit \u30d5\u30a1\u30a4\u30eb\uff08\u307e\u305f\u306f drop-in\uff09\u306b MemoryMax \u306a\u3069\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u5165\u3063\u3066\u3044\u308b\u3068\u3001\u30b5\u30fc\u30d3\u30b9\u306f\u305d\u306e\u67a0\u306e\u4e2d\u3067\u3057\u304b\u52d5\u3051\u307e\u305b\u3093\u3002\u958b\u767a\u7aef\u672b\u3067\u306f\u554f\u984c\u304c\u51fa\u305a\u3001\u672c\u756a\u3060\u3051\u3067 ENOMEM \u304c\u51fa\u308b\u5178\u578b\u304c\u3053\u308c\u3067\u3059\u3002<\/p> <p>\u73fe\u5834\u306e\u72ec\u308a\u8a00\u3068\u3057\u3066\u306f\u3001\u3053\u3046\u306a\u308a\u304c\u3061\u3067\u3059\u3002<\/p> <p>\u300c\u3048\u3001\u4eca\u307e\u3067\u666e\u901a\u306b\u52d5\u3044\u3066\u305f\u306e\u306b\u2026\u6628\u65e5\u306e\u30c7\u30d7\u30ed\u30a4\u4f55\u3082\u5909\u3048\u3066\u306a\u3044\u306e\u306b\u2026\u300d<\/p> <p>\u5b9f\u969b\u306b\u306f\u3001\u30a2\u30d7\u30ea\u306f\u5909\u3048\u3066\u3044\u306a\u304f\u3066\u3082\u3001unit \u306e\u5236\u9650\u5024\u3001\u8d77\u52d5\u30e6\u30fc\u30b6\u30fc\u3001\u30b3\u30f3\u30c6\u30ca\u306e limits\u3001\u540c\u5c45\u30b5\u30fc\u30d3\u30b9\u306e\u5897\u6e1b\u306a\u3069\u3001<strong>\u201c\u67a0\u201d\u306e\u65b9\u304c\u5909\u308f\u3063\u3066\u3044\u308b<\/strong>\u3053\u3068\u304c\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002SRE\u304c\u300c\u30a2\u30d7\u30ea\u306f\u89e6\u3063\u3066\u306a\u3044\u300d\u3068\u8a00\u3044\u3001\u60c5\u30b7\u30b9\u304c\u300c\u30b5\u30fc\u30d0\u306f\u4f59\u88d5\u300d\u3068\u8a00\u3044\u3001\u3067\u3082\u969c\u5bb3\u306f\u7d9a\u304f\u2014\u2014\u3053\u306e\u306d\u3058\u308c\u306f\u3001\u67a0\u306e\u5b58\u5728\u3092\u898b\u3048\u308b\u5316\u3059\u308b\u3068\u4e00\u6c17\u306b\u307b\u3069\u3051\u307e\u3059\u3002<\/p> <hr> <h3>Kubernetes\/Docker\u3067\u8d77\u304d\u3084\u3059\u3044\u201c\u30ba\u30ec\u201d<\/h3> <ul> <li><strong>requests \u3068 limits \u306e\u6df7\u540c<\/strong>\uff1a\u4e88\u7d04\uff08requests\uff09\u3068\u4e0a\u9650\uff08limits\uff09\u306f\u5225\u3067\u3001\u4e0a\u9650\u306b\u5f53\u305f\u308b\u3068\u843d\u3061\u65b9\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/li> <li><strong>\u6a2a\u5c55\u958b\u3067\u7dcf\u91cf\u304c\u5897\u3048\u308b<\/strong>\uff1aPod\u6570\u3092\u5897\u3084\u3059\u3068\u3001\u30ce\u30fc\u30c9\u5168\u4f53\u306e\u4f59\u529b\u304c\u6e1b\u308a\u3001\u5225Pod\u307e\u3067\u5dfb\u304d\u8fbc\u3080\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <li><strong>\u540c\u4e00\u30a4\u30e1\u30fc\u30b8\u3067\u3082\u30ce\u30fc\u30c9\u5dee\u304c\u51fa\u308b<\/strong>\uff1a\u30ce\u30fc\u30c9\u3054\u3068\u306b\u540c\u5c45\u72b6\u6cc1\u304c\u9055\u3044\u3001\u30d4\u30fc\u30af\u6642\u3060\u3051\u7279\u5b9a\u30ce\u30fc\u30c9\u3067\u518d\u73fe\u3059\u308b\u3002<\/li> <\/ul> <p>\u6539\u5584\u7b56\u3068\u3057\u3066\u306f\u3001\u5358\u7d14\u306b\u201c\u4e0a\u9650\u3092\u4e0a\u3052\u308b\u201d\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u30d4\u30fc\u30af\u306e\u6839\u62e0<\/strong>\uff08\u540c\u6642\u5b9f\u884c\u6570\u3001\u6700\u5927\u30d0\u30c3\u30d5\u30a1\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u6226\u7565\u3001\u30ef\u30fc\u30ab\u30fc\u6570\uff09\u3092\u8a00\u8a9e\u5316\u3057\u3001\u4e0a\u9650\u3068\u30a2\u30e9\u30fc\u30c8\u3092\u30bb\u30c3\u30c8\u3067\u8a2d\u8a08\u3059\u308b\u306e\u304c\u738b\u9053\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u843d\u3061\u308b\u306a\u3089\u843d\u3061\u308b\u3067\u3001\u843d\u3061\u65b9\u3092\u5236\u5fa1\u3059\u308b\uff08\u7e2e\u9000\u3001\u30ad\u30e5\u30fc\u3001\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u3001\u30ec\u30fc\u30c8\u5236\u5fa1\uff09\u307e\u3067\u8a2d\u8a08\u306b\u5165\u308c\u308b\u3068\u3001\u904b\u7528\u306f\u304b\u306a\u308a\u697d\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <p>\u305f\u3060\u3057\u3001\u3053\u306e\u8a2d\u8a08\u306f\u30b5\u30fc\u30d3\u30b9\u3054\u3068\u306eSLO\u3084\u696d\u52d9\u5f71\u97ff\u3001\u5951\u7d04\u6761\u4ef6\u306b\u3088\u3063\u3066\u6700\u9069\u89e3\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u300c\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u591c\u9593\u306b\u843d\u3061\u3066\u3082\u8a31\u3055\u308c\u308b\u306e\u304b\u300d\u300c\u843d\u3061\u305f\u77ac\u9593\u306b\u640d\u5931\u304c\u51fa\u308b\u306e\u304b\u300d\u3067\u3001\u5fc5\u8981\u306a\u4f59\u88d5\u7387\u3082\u76e3\u8996\u3082\u5225\u7269\u3067\u3059\u3002\u4e00\u822c\u8ad6\u306e\u7bc4\u56f2\u3092\u8d85\u3048\u305f\u5224\u65ad\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u3089\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u3068\u4e00\u7dd2\u306b\u201c\u67a0\u30fb\u5b9f\u614b\u30fb\u843d\u3061\u65b9\u201d\u3092\u6574\u7406\u3057\u3066\u3001\u8edf\u7740\u9678\u3055\u305b\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\uff08\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1ahttps:\/\/jouhou.main.jp\/?page_id=26983 \uff0f \u96fb\u8a71\uff1a0120-838-831\uff09\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;\">\u7b2c6\u7ae0\uff1aOOM Killer \u306e\u52d5\u304d\u65b9\u2500\u2500dmesg\/journalctl \u3067\u300c\u6bba\u3055\u308c\u305f\u8a3c\u62e0\u300d\u3092\u62fe\u3046<\/h2> <p>ENOMEM \u306e\u88cf\u3067\u3001\u5b9f\u306f OOM\uff08Out Of Memory\uff09\u30a4\u30d9\u30f3\u30c8\u304c\u8d77\u304d\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002OOM \u306f\u300c\u30e1\u30e2\u30ea\u304c\u8db3\u308a\u306a\u3044\u300d\u3068\u3044\u3046\u3088\u308a\u3001<strong>\u30ab\u30fc\u30cd\u30eb\u304c\u201c\u3053\u306e\u307e\u307e\u3060\u3068\u5168\u4f53\u304c\u5371\u306a\u3044\u201d\u3068\u5224\u65ad\u3057\u3066\u3001\u3069\u308c\u304b\u3092\u7d42\u4e86\u3055\u305b\u308b<\/strong>\u6319\u52d5\u3067\u3059\u3002\u73fe\u5834\u611f\u3068\u3057\u3066\u306f\u3001\u969c\u5bb3\u5bfe\u5fdc\u4e2d\u306b\u4e00\u756a\u3057\u3093\u3069\u3044\u3084\u3064\u3067\u3059\u3002<\/p> <p>\u300c\u843d\u3061\u305f\u306e\u306f\u30a2\u30d7\u30ea\u306a\u306e\u304b\u3001\u8ab0\u304b\u304ckill\u3057\u305f\u306e\u304b\u3001\u30af\u30e9\u30c3\u30b7\u30e5\u306a\u306e\u304b\u2026\u300d<\/p> <p>\u3053\u306e\u66d6\u6627\u3055\u304c\u6b8b\u308b\u3068\u3001\u5bfe\u7b56\u304c\u6bce\u56de\u201c\u304a\u7948\u308a\u306e\u518d\u8d77\u52d5\u201d\u306b\u306a\u308a\u3001\u53ce\u675f\u3057\u307e\u305b\u3093\u3002\u3060\u304b\u3089\u3053\u305d\u3001OOM\u306e\u8a3c\u62e0\u306f\u6700\u512a\u5148\u3067\u62fe\u3046\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <h3>OOM\u306e\u30ed\u30b0\u304c\u91cd\u8981\u306a\u7406\u7531<\/h3> <ul> <li><strong>\u539f\u56e0\u306e\u5c64\u304c\u78ba\u5b9a\u3059\u308b<\/strong>\uff1a\u30a2\u30d7\u30ea\u306e\u4f8b\u5916\u3067\u306f\u306a\u304f\u3001\u30ab\u30fc\u30cd\u30eb\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u554f\u984c\u3060\u3068\u5206\u304b\u308b\u3002<\/li> <li><strong>\u3044\u3064\u30fb\u8ab0\u304c\u30fb\u3069\u306e\u6761\u4ef6\u3067\u843d\u3061\u305f\u304b<\/strong>\u304c\u6b8b\u308a\u3084\u3059\u3044\uff1a\u6642\u523b\u3001\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u65ad\u7247\u60c5\u5831\u3002<\/li> <li><strong>cgroups\u4e0a\u9650\u3068\u306e\u95a2\u4fc2<\/strong>\u304c\u898b\u3048\u308b\uff1a\u30b3\u30f3\u30c6\u30ca\uff0f\u30b5\u30fc\u30d3\u30b9\u5358\u4f4d\u306e\u4e0a\u9650\u5230\u9054\u304c\u793a\u5506\u3055\u308c\u308b\u3002<\/li> <\/ul> <hr> <h3>\u201cOOM\u3063\u307d\u3044\u201d\u3068\u304d\u306e\u89b3\u6e2c\u30dd\u30a4\u30f3\u30c8<\/h3> <p>\u4ee3\u8868\u7684\u306b\u306f\u3001\u30ab\u30fc\u30cd\u30eb\u30ed\u30b0\uff08dmesg\uff09\u3084 systemd journal\uff08journalctl\uff09\u306b\u75d5\u8de1\u304c\u51fa\u307e\u3059\u3002\u74b0\u5883\u306b\u3088\u308a\u6587\u8a00\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u7740\u76ee\u70b9\u306f\u5171\u901a\u3067\u3059\u3002<\/p> <ul> <li>\u5bfe\u8c61\u30d7\u30ed\u30bb\u30b9\u540d\u3001PID\u3001\u7d42\u4e86\u7406\u7531\u304c\u3042\u308b\u304b<\/li> <li>cgroup\u5358\u4f4d\u306eOOM\u304c\u793a\u5506\u3055\u308c\u308b\u304b\uff08\u30b3\u30f3\u30c6\u30ca\u5185\u3060\u3051\u843d\u3061\u3066\u3044\u308b\u7b49\uff09<\/li> <li>\u4e8b\u8c61\u76f4\u524d\u306b\u30e1\u30e2\u30ea\u5727\u8feb\uff08\u30b9\u30ef\u30c3\u30d7\u6025\u5897\u3001PSI\u4e0a\u6607\u3001\u30b9\u30ed\u30fc\u30c0\u30a6\u30f3\uff09\u304c\u3042\u3063\u305f\u304b<\/li> <\/ul> <p>\u307e\u305f\u3001\u30a2\u30d7\u30ea\u5074\u306e\u30ed\u30b0\u304c\u300c\u7a81\u7136\u9014\u5207\u308c\u308b\u300d\u300c\u6700\u5f8c\u304c\u901a\u5e38\u7d42\u4e86\u3063\u307d\u3044\u300d\u306e\u306b\u30d7\u30ed\u30bb\u30b9\u304c\u6d88\u3048\u3066\u3044\u308b\u5834\u5408\u3001OOM\u306e\u53ef\u80fd\u6027\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002Java\u306a\u3069\u306fOOM\u4f8b\u5916\u3092\u5410\u304f\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u304c\u3001<strong>\u30d7\u30ed\u30bb\u30b9\u304cOS\u306b\u3088\u308a\u7d42\u4e86\u3055\u305b\u3089\u308c\u305f\u5834\u5408\u306f\u3001\u30a2\u30d7\u30ea\u304c\u201c\u7dba\u9e97\u306b\u201d\u30ed\u30b0\u3092\u6b8b\u305b\u306a\u3044<\/strong>\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p> <hr> <h3>OOM\u306f\u300c\u8ab0\u304b\u304c\u60aa\u3044\u300d\u3067\u306f\u306a\u304f\u300c\u8a2d\u8a08\u306e\u62bc\u3057\u51fa\u3057\u300d<\/h3> <p>OOM\u3092\u300c\u30a2\u30d7\u30ea\u304c\u91cd\u3044\u304b\u3089\u300d\u300c\u30a4\u30f3\u30d5\u30e9\u304c\u5f31\u3044\u304b\u3089\u300d\u3068\u72af\u4eba\u63a2\u3057\u306b\u3059\u308b\u3068\u3001\u5bfe\u7b56\u306f\u8352\u308c\u307e\u3059\u3002\u5b9f\u614b\u306f\u3001<strong>\u8981\u6c42\uff08\u30d4\u30fc\u30af\u6642\u306e\u5fc5\u8981\u30e1\u30e2\u30ea\uff09\u3068\u3001\u4f9b\u7d66\uff08\u67a0\u30fb\u5b9f\u30e1\u30e2\u30ea\u30fbswap\u30fb\u30b3\u30df\u30c3\u30c8\u65b9\u91dd\uff09\u304c\u565b\u307f\u5408\u3063\u3066\u3044\u306a\u3044<\/strong>\u3060\u3051\u3067\u3059\u3002\u565b\u307f\u5408\u3063\u3066\u3044\u306a\u3044\u4ee5\u4e0a\u3001\u3069\u3053\u304b\u306e\u6642\u70b9\u3067\u843d\u3061\u307e\u3059\u3002\u554f\u984c\u306f\u300c\u3069\u3053\u3067\u843d\u3061\u308b\u304b\u300d\u300c\u8ab0\u3092\u5dfb\u304d\u8fbc\u3080\u304b\u300d\u300c\u843d\u3061\u308b\u524d\u306b\u6e1b\u901f\u3067\u304d\u308b\u304b\u300d\u3067\u3059\u3002<\/p> <h3>\u843d\u3061\u65b9\u3092\u5236\u5fa1\u3059\u308b\u3001\u3068\u3044\u3046\u767a\u60f3<\/h3> <p>\u73fe\u5834\u3092\u6551\u3046\u306e\u306f\u3001\u6839\u6027\u8ad6\u3067\u306f\u306a\u304f\u8a2d\u8a08\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u201c\u843d\u3061\u65b9\u306e\u5236\u5fa1\u201d\u306f\u3001ENOMEM\/\uff2f\uff2f\uff2d\u3092\u4e8b\u6545\u304b\u3089\u904b\u7528\u8a2d\u8a08\u3078\u5f15\u304d\u623b\u3057\u307e\u3059\u3002<\/p> <ul> <li><strong>\u30ef\u30fc\u30ab\u30fc\u6570\u30fb\u4e26\u5217\u5ea6\u306e\u4e0a\u9650<\/strong>\u3092\u8a2d\u3051\u308b\uff08\u540c\u6642\u5b9f\u884c\u3092\u6291\u3048\u8fbc\u307f\u3001\u30d4\u30fc\u30af\u3092\u5207\u308b\uff09\u3002<\/li> <li><strong>\u30ad\u30e5\u30fc\u30a4\u30f3\u30b0\u3068\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc<\/strong>\uff08\u53d7\u3051\u308b\u91cf\u3092\u5236\u5fa1\u3057\u3001\u904e\u8ca0\u8377\u3092\u7a4f\u3084\u304b\u306b\u3059\u308b\uff09\u3002<\/li> <li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u6226\u7565\u306e\u898b\u76f4\u3057<\/strong>\uff08\u7121\u5236\u9650\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u3084\u3081\u3001\u4e0a\u9650\u3068\u8ffd\u3044\u51fa\u3057\u3092\u8a2d\u8a08\u3059\u308b\uff09\u3002<\/li> <li><strong>\u7e2e\u9000\u904b\u8ee2<\/strong>\uff08\u4e00\u90e8\u6a5f\u80fd\u505c\u6b62\u3001\u4f4e\u54c1\u8cea\u30e2\u30fc\u30c9\u3001\u518d\u8a66\u884c\u6291\u5236\u306a\u3069\u3067\u201c\u30b5\u30fc\u30d3\u30b9\u5168\u4f53\u306e\u93ae\u706b\u201d\u3092\u512a\u5148\uff09\u3002<\/li> <\/ul> <hr> <p>\u3053\u3053\u307e\u3067\u6765\u308b\u3068\u3001\u5358\u306a\u308bOS\u8a2d\u5b9a\u306e\u8a71\u3067\u306f\u306a\u304f\u300c\u3069\u306e\u6a5f\u80fd\u3092\u5b88\u308a\u3001\u3069\u306e\u6a5f\u80fd\u306f\u843d\u3068\u3057\u3066\u826f\u3044\u304b\u300d\u3068\u3044\u3046\u696d\u52d9\u5224\u65ad\u304c\u7d61\u307f\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30af\u30e9\u30a6\u30c9\u8cbb\u7528\u3001\u5197\u9577\u5316\u3001\u76e3\u8996\u306e\u7c92\u5ea6\u3001\u969c\u5bb3\u6642\u306e\u30a8\u30b9\u30ab\u30ec\u30fc\u30b7\u30e7\u30f3\u8a2d\u8a08\u307e\u3067\u9023\u52d5\u3057\u307e\u3059\u3002\u4e00\u822c\u8ad6\u3067\u6e08\u307e\u305b\u308b\u307b\u3069\u3001\u73fe\u5834\u306b\u3068\u3063\u3066\u306f\u201c\u904b\u7528\u3060\u3051\u304c\u5897\u3048\u308b\u201d\u7d50\u679c\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u500b\u5225\u306e\u6761\u4ef6\u306b\u5408\u308f\u305b\u3066\u6574\u7406\u3059\u308b\u306a\u3089\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u3068\u4e00\u7dd2\u306b\u3001\u30ed\u30b0\u4fdd\u5168\u304b\u3089\u518d\u767a\u9632\u6b62\u307e\u3067\u4e00\u6c17\u901a\u8cab\u3067\u8a2d\u8a08\u3057\u305f\u65b9\u304c\u3001\u7d50\u679c\u3068\u3057\u3066\u4f59\u8a08\u306a\u624b\u623b\u308a\u3092\u6e1b\u3089\u305b\u307e\u3059\uff08\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1ahttps:\/\/jouhou.main.jp\/?page_id=26983 \uff0f \u96fb\u8a71\uff1a0120-838-831\uff09\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;\">\u7b2c7\u7ae0\uff1aswap \u3068 overcommit\u2500\u2500\u5897\u3084\u3059\u3079\u304d\u304b\u3001\u6e1b\u3089\u3059\u3079\u304d\u304b\u306e\u5224\u65ad\u8ef8<\/h2> <p>ENOMEM\/\uff2f\uff2f\uff2d\u306e\u8b70\u8ad6\u3067\u3001\u3060\u3044\u305f\u3044\u63c9\u3081\u308b\u306e\u304c swap \u3068 overcommit \u3067\u3059\u3002\u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068\u3001\u3069\u3061\u3089\u3082\u201c\u5584\u60aa\u201d\u3067\u306f\u306a\u304f\u3001<strong>\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3068SLO\u6b21\u7b2c<\/strong>\u3067\u3059\u3002\u3053\u3053\u3092\u4e00\u822c\u8ad6\u3067\u6c7a\u3081\u308b\u3068\u3001\u5225\u306e\u5834\u6240\u3067\u75db\u307f\u304c\u51fa\u307e\u3059\u3002<\/p> <h3>swap\u306e\u5f79\u5272\u3092\u96d1\u306b\u8a00\u3046\u3068<\/h3> <ul> <li><strong>\u30e1\u30e2\u30ea\u306e\u5ef6\u547d<\/strong>\uff1a\u4e00\u6642\u7684\u306a\u30d4\u30fc\u30af\u3092\u3084\u308a\u904e\u3054\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li> <li><strong>\u305f\u3060\u3057\u9045\u304f\u306a\u308b<\/strong>\uff1a\u30b9\u30ef\u30c3\u30d7\u30a2\u30a6\u30c8\u304c\u5897\u3048\u308b\u3068I\/O\u5f85\u3061\u304c\u5897\u3048\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u3084\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u60aa\u5316\u3057\u3084\u3059\u3044\u3002<\/li> <li><strong>\u201c\u843d\u3061\u306a\u3044\u4ee3\u308f\u308a\u306b\u9045\u3044\u201d<\/strong>\u3092\u9078\u3076\u306e\u304b\u3001<strong>\u201c\u901f\u3044\u4ee3\u308f\u308a\u306b\u843d\u3061\u308b\u201d<\/strong>\u3092\u9078\u3076\u306e\u304b\u3001\u9078\u629e\u304c\u5fc5\u8981\u3002<\/li> <\/ul> <p>\u73fe\u5834\u306e\u672c\u97f3\u306f\u3053\u3046\u3067\u3059\u3002<\/p> <p>\u300c\u843d\u3061\u308b\u306e\u306f\u56f0\u308b\u3002\u3067\u3082\u3001\u9045\u304f\u306a\u308b\u3068\u7d50\u5c40\u30af\u30ec\u30fc\u30e0\u304c\u6765\u308b\u3002\u3069\u3063\u3061\u306a\u3093\u3060\u3088\u2026\u300d<\/p> <p>\u3060\u304b\u3089\u5224\u65ad\u8ef8\u306f\u300c\u843d\u3061\u308b\/\u843d\u3061\u306a\u3044\u300d\u3067\u306f\u306a\u304f\u3001<strong>\u3069\u306e\u75c7\u72b6\u304c\u8a31\u5bb9\u3067\u304d\u3066\u3001\u3069\u306e\u75c7\u72b6\u304c\u81f4\u547d\u7684\u304b<\/strong>\u3067\u3059\u3002\u30d0\u30c3\u30c1\u51e6\u7406\u306a\u3089\u9045\u5ef6\u306f\u8a31\u5bb9\u3067\u304d\u308b\u304c\u843d\u3061\u308b\u306e\u306f\u56f0\u308b\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u51e6\u7406\u306a\u3089\u9045\u5ef6\u304c\u81f4\u547d\u7684\u306a\u306e\u3067\u30b9\u30ef\u30c3\u30d7\u306f\u60aa\u624b\u3001\u306a\u3069\u3002<\/p> <hr> <h3>overcommit\u3068\u306f\u4f55\u304b\uff08\u8aa4\u89e3\u3057\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\uff09<\/h3> <p>Linux\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u8981\u6c42\u3057\u305f\u30e1\u30e2\u30ea\u3092\u300c\u3059\u3050\u306b\u7269\u7406\u30e1\u30e2\u30ea\u3067\u88cf\u4ed8\u3051\u308b\u300d\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u8981\u6c42\u306e\u6bb5\u968e\u3067\u201c\u5c06\u6765\u4f7f\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u201d\u91cf\u3092\u898b\u7a4d\u3082\u3063\u3066\u8a31\u53ef\u3059\u308b\u4ed5\u7d44\u307f\u304c\u3042\u308a\u3001\u3053\u306e\u65b9\u91dd\u304c overcommit \u3068\u547c\u3070\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u8d77\u304d\u308b\u73fe\u8c61\u306f\u3056\u3063\u304f\u308a\u4e8c\u7cfb\u7d71\u3067\u3059\u3002<\/p> <ul> <li><strong>\u65e9\u3081\u306b\u62d2\u5426\u3055\u308c\u308b\uff08ENOMEM\u304c\u8fd4\u308b\uff09<\/strong>\uff1a\u5c06\u6765\u306e\u88cf\u4ed8\u3051\u304c\u898b\u8fbc\u3081\u306a\u3044\u3068\u5224\u65ad\u3055\u308c\u3001\u5272\u308a\u5f53\u3066\u8981\u6c42\u304c\u901a\u3089\u306a\u3044\u3002<\/li> <li><strong>\u3044\u3063\u305f\u3093\u901a\u308b\u304c\u5f8c\u3067\u8a70\u3080\uff08OOM\u306b\u5bc4\u308a\u3084\u3059\u3044\uff09<\/strong>\uff1a\u8981\u6c42\u306f\u901a\u308b\u304c\u3001\u5b9f\u969b\u306b\u89e6\u3063\u305f\u77ac\u9593\u306b\u88cf\u4ed8\u3051\u304c\u8db3\u308a\u305a\u3001\u3069\u3053\u304b\u304c\u843d\u3061\u308b\u3002<\/li> <\/ul> <p>\u3069\u3061\u3089\u304c\u826f\u3044\u304b\u306f\u4e00\u6982\u306b\u8a00\u3048\u307e\u305b\u3093\u3002\u91cd\u8981\u306a\u306e\u306f\u300c\u3044\u3064\u5931\u6557\u3055\u305b\u308b\u304b\u300d\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u65e9\u3081\u306b\u5931\u6557\u3055\u305b\u308c\u3070\u3001\u30a2\u30d7\u30ea\u5074\u3067\u30ea\u30c8\u30e9\u30a4\u3084\u7e2e\u9000\u306b\u56de\u305b\u308b\u53ef\u80fd\u6027\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002\u9045\u304f\u5931\u6557\u3055\u305b\u308b\u3068\u3001\u30d4\u30fc\u30af\u3067\u7a81\u7136\u843d\u3061\u3001\u5dfb\u304d\u8fbc\u307f\u304c\u5897\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u5b9f\u52d9\u7684\u306a\u5224\u65ad\u306e\u4f5c\u308a\u65b9\uff1a3\u3064\u306e\u8cea\u554f<\/h3> <ol> <li><strong>\u30d4\u30fc\u30af\u306f\u77ed\u6642\u9593\u304b\u3001\u7d99\u7d9a\u304b<\/strong>\uff1a\u77ed\u6642\u9593\u30d4\u30fc\u30af\u306a\u3089\u5ef6\u547d\uff08swap\u7b49\uff09\u304c\u52b9\u304f\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002<\/li> <li><strong>\u9045\u5ef6\u306f\u8a31\u5bb9\u3067\u304d\u308b\u304b<\/strong>\uff1a\u8a31\u5bb9\u3067\u304d\u306a\u3044\u306a\u3089\u3001\u5ef6\u547d\u3088\u308a\u3082\u201c\u65e9\u3081\u306b\u62d2\u5426\u3057\u3066\u7e2e\u9000\u201d\u304c\u5411\u304f\u3002<\/li> <li><strong>\u8ab0\u3092\u5b88\u308b\u304b<\/strong>\uff1a\u5358\u4f53\u30b5\u30fc\u30d3\u30b9\u3092\u5b88\u308b\u306e\u304b\u3001\u30ce\u30fc\u30c9\u5168\u4f53\u30fb\u540c\u5c45\u30b5\u30fc\u30d3\u30b9\u3092\u5b88\u308b\u306e\u304b\u3067\u65b9\u91dd\u304c\u5909\u308f\u308b\u3002<\/li> <\/ol> <hr> <h3>\u300c\u3068\u308a\u3042\u3048\u305aswap\u5897\u3084\u3059\u300d\u3067\u53ce\u675f\u3057\u306a\u3044\u30b1\u30fc\u30b9<\/h3> <ul> <li>\u30b9\u30ef\u30c3\u30d7I\/O\u304c\u5897\u3048\u3066\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u2192\u518d\u8a66\u884c\u304c\u5897\u3048\u2192\u3055\u3089\u306b\u8ca0\u8377\u304c\u5897\u3048\u308b\uff08\u8ca0\u306e\u30eb\u30fc\u30d7\uff09\u3002<\/li> <li>\u30b3\u30f3\u30c6\u30ca\u4e0a\u9650\u304c\u539f\u56e0\u3067\u3001\u30db\u30b9\u30c8swap\u306e\u5897\u6e1b\u304c\u52b9\u304b\u306a\u3044\u3002<\/li> <li>\u30ea\u30fc\u30af\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u7121\u5236\u9650\u304c\u539f\u56e0\u3067\u3001\u5ef6\u547d\u3057\u3066\u3082\u7d50\u5c40\u67af\u6e07\u307e\u3067\u8d70\u308b\u3002<\/li> <\/ul> <p>\u9006\u306b\u3001\u77ed\u6642\u9593\u30b9\u30d1\u30a4\u30af\u3067\u843d\u3061\u308b\u3060\u3051\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001\u5ef6\u547d\u304c\u52b9\u3044\u3066\u201c\u93ae\u706b\u201d\u3059\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u305d\u306e\u5834\u5408\u3067\u3082\u300c\u306a\u305c\u30b9\u30d1\u30a4\u30af\u304c\u8d77\u304d\u308b\u306e\u304b\u300d\u300c\u3069\u306e\u6a5f\u80fd\u304c\u30b9\u30d1\u30a4\u30af\u3092\u4f5c\u308b\u306e\u304b\u300d\u3092\u6f70\u3055\u306a\u3044\u9650\u308a\u3001\u6b21\u306e\u30d4\u30fc\u30af\u3067\u518d\u71c3\u3057\u307e\u3059\u3002<\/p> <p>swap\/overcommit\u306f\u3001\u8a2d\u5b9a\u306e\u662f\u975e\u3088\u308a\u3082\u3001<strong>\u30b5\u30fc\u30d3\u30b9\u306e\u58ca\u308c\u65b9\u3092\u3069\u3046\u8a2d\u8a08\u3059\u308b\u304b<\/strong>\u306e\u8a71\u3067\u3059\u3002\u3053\u3053\u306f\u696d\u52d9\u30fb\u5951\u7d04\u30fbSLO\u304c\u7d61\u3080\u305f\u3081\u3001\u4e00\u822c\u8ad6\u306e\u30b3\u30d4\u30da\u3067\u6c7a\u3081\u308b\u3068\u5371\u967a\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u6848\u4ef6\u3068\u3057\u3066\u201c\u8a31\u5bb9\u3067\u304d\u308b\u9045\u5ef6\u201d\u3084\u201c\u5b88\u308b\u6a5f\u80fd\u201d\u3092\u6574\u7406\u3057\u3001\u904b\u7528\u3068\u8a2d\u8a08\u3092\u30bb\u30c3\u30c8\u3067\u6c7a\u3081\u305f\u3044\u306a\u3089\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306e\u3088\u3046\u306a\u5c02\u9580\u5bb6\u306b\u76f8\u8ac7\u3057\u3066\u3001\u6700\u77ed\u3067\u53ce\u675f\u3055\u305b\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\uff08\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1ahttps:\/\/jouhou.main.jp\/?page_id=26983 \uff0f \u96fb\u8a71\uff1a0120-838-831\uff09\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;\">\u7b2c8\u7ae0\uff1a\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u30fb\u65ad\u7247\u5316\u30fb\u5de8\u5927\u30da\u30fc\u30b8\u2500\u2500\u30a2\u30d7\u30ea\u5074\u3067\u3067\u304d\u308b\u201c\u5148\u56de\u308a\u201d<\/h2> <p>OS\u5074\u306e\u5236\u9650\uff08ulimit\u3001cgroups\u3001swap\/overcommit\uff09\u3092\u78ba\u8a8d\u3057\u3066\u3082\u306a\u304a ENOMEM \u304c\u51fa\u308b\u306a\u3089\u3001\u6b21\u306b\u7591\u3046\u3079\u304d\u306f\u300c\u30a2\u30d7\u30ea\u304c\u8981\u6c42\u3059\u308b\u30e1\u30e2\u30ea\u306e\u5f62\u300d\u3067\u3059\u3002\u3053\u3053\u3067\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001<strong>\u201c\u5408\u8a08\u91cf\u201d\u3060\u3051\u3067\u306f\u306a\u304f\u201c\u5272\u308a\u5f53\u3066\u306e\u30d1\u30bf\u30fc\u30f3\u201d<\/strong>\u304c ENOMEM \u3092\u5f15\u304d\u8d77\u3053\u3059\u3068\u3044\u3046\u4e8b\u5b9f\u3067\u3059\u3002\u30e1\u30e2\u30ea\u304c\u6b8b\u3063\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u3066\u3082\u3001\u5fc5\u8981\u306a\u5f62\u3067\u78ba\u4fdd\u3067\u304d\u305a\u5931\u6557\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <h3>\u307e\u305a\u5206\u3051\u308b\uff1a\u30ea\u30fc\u30af\uff0f\u4e00\u6642\u30b9\u30d1\u30a4\u30af\uff0f\u65ad\u7247\u5316<\/h3> <table border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee;\">\u5206\u985e<\/th> <th style=\"background-color:#eeeeee;\">\u73fe\u8c61\u306e\u7279\u5fb4<\/th> <th style=\"background-color:#eeeeee;\">\u521d\u52d5\u306e\u89b3\u6e2c\u30dd\u30a4\u30f3\u30c8<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af<\/td> <td>\u8ca0\u8377\u304c\u843d\u3061\u3066\u3082\u4f7f\u7528\u91cf\u304c\u623b\u3089\u305a\u3001\u6642\u9593\u3068\u3068\u3082\u306b\u53f3\u80a9\u4e0a\u304c\u308a<\/td> <td>RSS\/heap\u306e\u30c8\u30ec\u30f3\u30c9\u3001\u30d7\u30ed\u30bb\u30b9\u518d\u8d77\u52d5\u3067\u4e00\u65e6\u56de\u5fa9\u3059\u308b\u304b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u4e00\u6642\u30b9\u30d1\u30a4\u30af<\/td> <td>\u30d4\u30fc\u30af\u6642\u3060\u3051\u8df3\u306d\u3001\u5e73\u5e38\u6642\u306f\u623b\u308b\uff0f\u540c\u6642\u5b9f\u884c\u6570\u3068\u76f8\u95a2<\/td> <td>\u4e26\u5217\u5ea6\u30fb\u30d0\u30c3\u30c1\u540c\u6642\u5b9f\u884c\u30fb\u30ea\u30af\u30a8\u30b9\u30c8\u30b5\u30a4\u30ba\u5206\u5e03<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u65ad\u7247\u5316\/\u78ba\u4fdd\u5f62\u72b6<\/td> <td>\u5408\u8a08\u306f\u8db3\u308a\u3066\u3044\u305d\u3046\u3067\u3082\u3001\u5927\u304d\u306a\u9023\u7d9a\u9818\u57df\u304c\u53d6\u308c\u305a\u306b\u5931\u6557<\/td> <td>mmap\u306e\u5897\u6e1b\u3001smaps\u3001\u5de8\u5927\u5272\u308a\u5f53\u3066\u306e\u983b\u5ea6<\/td> <\/tr> <\/table> <hr> <h3>\u300c\u4f55\u304c\u5897\u3048\u3066\u3044\u308b\u304b\u300d\u3092OS\u8996\u70b9\u3067\u63b4\u3080<\/h3> <p>\u30a2\u30d7\u30ea\u304c\u300c\u30e1\u30e2\u30ea\u4e0d\u8db3\u300d\u3068\u8a00\u3063\u3066\u3082\u3001\u5897\u3048\u3066\u3044\u308b\u306e\u304c\u30d2\u30fc\u30d7\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u533f\u540d\u30e1\u30e2\u30ea\u3001\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u3001mmap\u9818\u57df\u3001\u30b9\u30ec\u30c3\u30c9\u30b9\u30bf\u30c3\u30af\u3001JIT\u3084\u30cd\u30a4\u30c6\u30a3\u30d6\u30d0\u30c3\u30d5\u30a1\u306a\u3069\u3001\u5185\u8a33\u3092\u5207\u3089\u306a\u3044\u3068\u5bfe\u7b56\u304c\u30ba\u30ec\u307e\u3059\u3002Linux\u3067\u306f\u30d7\u30ed\u30bb\u30b9\u3054\u3068\u306e\u5185\u8a33\u3092\u898b\u308b\u624b\u6bb5\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p> <ul> <li><strong>\/proc\/&lt;pid&gt;\/status<\/strong>\uff1aVmRSS\/VmSize\u306a\u3069\u306e\u6982\u8981\uff08\u7c92\u5ea6\u306f\u7c97\u3044\u304c\u65e9\u3044\uff09\u3002<\/li> <li><strong>\/proc\/&lt;pid&gt;\/smaps<\/strong>\uff1a\u9818\u57df\u3054\u3068\u306e\u8a73\u7d30\uff08\u91cd\u3044\u304c\u201c\u4f55\u304c\u81a8\u3089\u3093\u3060\u304b\u201d\u304c\u898b\u3048\u308b\uff09\u3002<\/li> <li><strong>pmap<\/strong>\uff1ammap\u9818\u57df\u306e\u4fef\u77b0\uff08\u65ad\u7247\u5316\u3084\u5de8\u5927\u9818\u57df\u306e\u6709\u7121\u306e\u5f53\u305f\u308a\u3092\u4ed8\u3051\u3084\u3059\u3044\uff09\u3002<\/li> <\/ul> <hr> <h3>\u8a00\u8a9e\/\u30e9\u30f3\u30bf\u30a4\u30e0\u5225\u306b\u8d77\u304d\u3084\u3059\u3044\u201c\u5897\u3048\u65b9\u201d<\/h3> <p>\u3053\u3053\u306f\u4e8b\u5b9f\u3068\u3057\u3066\u300c\u8a00\u8a9e\u304c\u60aa\u3044\u300d\u3068\u3044\u3046\u8a71\u3067\u306f\u306a\u304f\u3001<strong>\u30e1\u30e2\u30ea\u306e\u4f7f\u3044\u65b9\u306e\u30af\u30bb\u304c\u9055\u3046<\/strong>\u3068\u3044\u3046\u8a71\u3067\u3059\u3002ENOMEM\u5bfe\u7b56\u306f\u3001\u30af\u30bb\u306b\u5408\u308f\u305b\u3066\u201c\u5148\u56de\u308a\u201d\u3057\u305f\u65b9\u304c\u53ce\u675f\u304c\u65e9\u3044\u3067\u3059\u3002<\/p> <ul> <li><strong>C\/C++<\/strong>\uff1a\u30ea\u30fc\u30af\u3001\u4e8c\u91cd\u7ba1\u7406\u3001\u5de8\u5927\u9023\u7d9a\u78ba\u4fdd\u3001\u30a2\u30ed\u30b1\u30fc\u30bf\u306e\u6319\u52d5\uff08\u65ad\u7247\u5316\u3001arena\uff09\u3002<\/li> <li><strong>Java<\/strong>\uff1a\u30d2\u30fc\u30d7\u4ee5\u5916\uff08DirectBuffer\u3001\u30e1\u30bf\u30b9\u30da\u30fc\u30b9\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u9818\u57df\uff09\u3001\u30b3\u30f3\u30c6\u30ca\u4e0a\u9650\u3068JVM\u8a2d\u5b9a\u306e\u4e0d\u6574\u5408\u3002<\/li> <li><strong>Go<\/strong>\uff1a\u30ef\u30fc\u30ab\u5897\u52a0\u3001\u4fdd\u6301\u53c2\u7167\u306b\u3088\u308b\u56de\u53ce\u9045\u5ef6\u3001\u5de8\u5927\u30b9\u30e9\u30a4\u30b9\u306e\u4fdd\u6301\u3001goroutine\u306e\u5897\u6b96\u3002<\/li> <li><strong>Python<\/strong>\uff1a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u4fdd\u6301\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\/\u8f9e\u66f8\u80a5\u5927\u3001\u53c2\u7167\u30b5\u30a4\u30af\u30eb\u3001\u30d0\u30c3\u30c1\u51e6\u7406\u3067\u306e\u4e00\u6642\u5de8\u5927\u30c7\u30fc\u30bf\u3002<\/li> <li><strong>Node.js<\/strong>\uff1a\u30d2\u30fc\u30d7\u4e0a\u9650\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3001\u30d0\u30c3\u30d5\u30a1\u3084\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u6ede\u7559\u3001\u540c\u6642\u51e6\u7406\u306e\u8a2d\u8a08\u3002<\/li> <\/ul> <hr> <h3>\u300c\u4e0a\u9650\u3092\u4e0a\u3052\u308b\u300d\u524d\u306b\u3067\u304d\u308b\u8a2d\u8a08\u7684\u30d6\u30ec\u30fc\u30ad<\/h3> <p>\u30d4\u30fc\u30af\u3067 ENOMEM \u304c\u51fa\u308b\u3068\u304d\u3001\u30e1\u30e2\u30ea\u4e0a\u9650\u3092\u4e0a\u3052\u308b\u306e\u306f\u6700\u3082\u7c21\u5358\u3067\u3059\u304c\u3001\u540c\u6642\u306b\u201c\u5225\u306e\u3069\u3053\u304b\u3092\u5dfb\u304d\u8fbc\u3080\u201d\u30ea\u30b9\u30af\u3082\u4e0a\u304c\u308a\u307e\u3059\u3002\u73fe\u5834\u3067\u52b9\u304d\u3084\u3059\u3044\u306e\u306f\u3001\u30e1\u30e2\u30ea\u6d88\u8cbb\u3092\u76f4\u63a5\u6e1b\u3089\u3059\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u30d4\u30fc\u30af\u3092\u4f5c\u3089\u306a\u3044<\/strong>\u8a2d\u8a08\u3067\u3059\u3002<\/p> <ul> <li><strong>\u4e26\u5217\u5ea6\u306b\u4e0a\u9650<\/strong>\uff1a\u30ef\u30fc\u30ab\u6570\u30fb\u540c\u6642\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u30fb\u30d0\u30c3\u30c1\u540c\u6642\u5b9f\u884c\u6570\u3092\u56fa\u5b9a\u3057\u3001\u30d4\u30fc\u30af\u3092\u6291\u3048\u8fbc\u3080\u3002<\/li> <li><strong>\u5165\u529b\u30b5\u30a4\u30ba\u306e\u4e0a\u9650<\/strong>\uff1a\u5de8\u5927\u30ea\u30af\u30a8\u30b9\u30c8\u3084\u5de8\u5927\u30d5\u30a1\u30a4\u30eb\u3092\u65e9\u3081\u306b\u62d2\u5426\u3057\u3001\u30e1\u30e2\u30ea\u5727\u8feb\u3092\u4e88\u9632\u3059\u308b\u3002<\/li> <li><strong>\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\/\u30c1\u30e3\u30f3\u30af\u5316<\/strong>\uff1a\u4e00\u62ec\u8aad\u307f\u8fbc\u307f\u3092\u907f\u3051\u3001\u56fa\u5b9a\u30b5\u30a4\u30ba\u3067\u51e6\u7406\u3059\u308b\u3002<\/li> <li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4e0a\u9650\u3068\u8ffd\u3044\u51fa\u3057<\/strong>\uff1a\u7121\u5236\u9650\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u3084\u3081\u3001\u4e0a\u9650\u30fbTTL\u30fb\u30b5\u30a4\u30ba\u30d9\u30fc\u30b9\u306e\u8a2d\u8a08\u306b\u3059\u308b\u3002<\/li> <\/ul> <hr> <h3>\u201c\u539f\u56e0\u7a76\u660e\u306e\u9053\u5177\u201d\u3092\u9078\u3073\u9593\u9055\u3048\u306a\u3044<\/h3> <p>\u30e1\u30e2\u30ea\u554f\u984c\u306e\u8abf\u67fb\u306f\u3001\u91cd\u3044\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u672c\u756a\u3067\u5e38\u6642\u56de\u3059\u307b\u3069\u5371\u967a\u306b\u306a\u308a\u307e\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u6bb5\u968e\u3092\u8e0f\u3080\u306e\u304c\u5b89\u5168\u3067\u3059\u3002\u307e\u305a\u306f\u8efd\u3044\u89b3\u6e2c\u3067\u5f53\u305f\u308a\u3092\u4ed8\u3051\u3001\u5fc5\u8981\u306a\u7bc4\u56f2\u3060\u3051\u6df1\u6398\u308a\u3057\u307e\u3059\u3002<\/p> <table border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee;\">\u76ee\u7684<\/th> <th style=\"background-color:#eeeeee;\">\u8efd\u3044\u624b\u6bb5<\/th> <th style=\"background-color:#eeeeee;\">\u6df1\u6398\u308a\u624b\u6bb5\uff08\u614e\u91cd\u306b\uff09<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u5897\u3048\u3066\u3044\u308b\u9818\u57df\u306e\u5f53\u305f\u308a<\/td> <td>\/proc\u3001pmap\u3001smaps\u306e\u629c\u7c8b<\/td> <td>\u8a73\u7d30\u306a\u30d2\u30fc\u30d7\u89e3\u6790\u3001\u9818\u57df\u5225\u306e\u9023\u7d9a\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u30ea\u30fc\u30af\u306e\u7591\u3044<\/td> <td>\u30c8\u30ec\u30f3\u30c9\u76e3\u8996\u3001\u518d\u8d77\u52d5\u3067\u623b\u308b\u304b<\/td> <td>\u8a00\u8a9e\u5225\u30d7\u30ed\u30d5\u30a1\u30a4\u30e9\u3001\u30b5\u30cb\u30bf\u30a4\u30b6\u7b49<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u30d4\u30fc\u30af\u8981\u56e0\u306e\u7279\u5b9a<\/td> <td>\u4e26\u5217\u5ea6\u30fb\u5165\u529b\u5206\u5e03\u30fb\u30ad\u30e5\u30fc\u9577\u306e\u76f8\u95a2<\/td> <td>\u8ca0\u8377\u518d\u73fe\u3001\u30b7\u30ca\u30ea\u30aa\u5225\u306e\u8a08\u6e2c<\/td> <\/tr> <\/table> <p>\u3053\u3053\u307e\u3067\u306e\u6539\u5584\u306f\u300c\u624b\u3092\u52d5\u304b\u3059\u73fe\u5834\u300d\u306b\u52b9\u304d\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u300c\u3069\u3053\u307e\u3067\u3084\u308b\u304b\u300d\u306e\u7dda\u5f15\u304d\u304c\u5fc5\u8981\u3067\u3059\u3002\u505c\u6b62\u3067\u304d\u306a\u3044\u30ec\u30ac\u30b7\u30fc\u3001\u8907\u6570\u30c1\u30fc\u30e0\u306e\u5883\u754c\u3001\u5951\u7d04\u4e0a\u306e\u5236\u7d04\u304c\u7d61\u3080\u3068\u3001\u4e00\u822c\u8ad6\u306e\u6700\u9069\u5316\u306f\u3080\u3057\u308d\u30c8\u30e9\u30d6\u30eb\u3092\u5897\u3084\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5177\u4f53\u7684\u306a\u69cb\u6210\u30fb\u53ef\u7528\u6027\u8981\u4ef6\u30fb\u4fdd\u5168\u65b9\u91dd\u3092\u8e0f\u307e\u3048\u3066\u3001\u53ce\u675f\u307e\u3067\u306e\u30eb\u30fc\u30c8\u3092\u77ed\u304f\u3057\u305f\u3044\u306a\u3089\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306b\u76f8\u8ac7\u3057\u3001\u30ed\u30b0\u4fdd\u5168\u3068\u6539\u5584\u6848\u3092\u30bb\u30c3\u30c8\u3067\u6574\u7406\u3059\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\uff08\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1ahttps:\/\/jouhou.main.jp\/?page_id=26983 \uff0f \u96fb\u8a71\uff1a0120-838-831\uff09\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;\">\u7b2c9\u7ae0\uff1a\u76e3\u8996\u3068\u518d\u767a\u9632\u6b62\u2500\u2500RSS\u3060\u3051\u898b\u3066\u3082\u8db3\u308a\u306a\u3044\uff08PSI, vmstat, p95\uff09<\/h2> <p>ENOMEM\u306f\u3001\u767a\u751f\u3057\u305f\u77ac\u9593\u3060\u3051\u8ffd\u3063\u3066\u3082\u518d\u767a\u3057\u307e\u3059\u3002\u7406\u7531\u306f\u5358\u7d14\u3067\u3001\u30e1\u30e2\u30ea\u306f\u300c\u6e9c\u307e\u308b\u300d\u300c\u6ce2\u304c\u6765\u308b\u300d\u300c\u6025\u306b\u8df3\u306d\u308b\u300d\u304b\u3089\u3067\u3059\u3002\u3060\u304b\u3089\u518d\u767a\u9632\u6b62\u306f\u3001\u539f\u56e0\u306e\u4fee\u6b63\u3068\u540c\u3058\u304f\u3089\u3044<strong>\u89b3\u6e2c\u3068\u30a2\u30e9\u30fc\u30c8\u306e\u8a2d\u8a08<\/strong>\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306e\u843d\u3068\u3057\u7a74\u306f\u3001RSS\u3084free\u3060\u3051\u3092\u898b\u3066\u5b89\u5fc3\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3059\u3002<\/p> <h3>\u898b\u305f\u3044\u306e\u306f\u300c\u6b8b\u91cf\u300d\u3067\u306f\u306a\u304f\u300c\u5727\u529b\u300d\u3068\u300c\u5146\u5019\u300d<\/h3> <p>\u30e1\u30e2\u30ea\u95a2\u9023\u306e\u4e8b\u6545\u306f\u3001\u6b8b\u91cf\u304c\u30bc\u30ed\u306b\u306a\u308b\u76f4\u524d\u3088\u308a\u524d\u306b\u201c\u5146\u5019\u201d\u304c\u51fa\u307e\u3059\u3002\u4ee3\u8868\u4f8b\u306f\u3001\u30ea\u30af\u30ec\u30fc\u30e0\uff08\u56de\u53ce\uff09\u304c\u5897\u3048\u308b\u3001\u30b9\u30ef\u30c3\u30d7\u304c\u52d5\u304d\u59cb\u3081\u308b\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u304c\u8a70\u307e\u308b\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u60aa\u5316\u3059\u308b\u3001\u306a\u3069\u3067\u3059\u3002Linux\u3067\u306f\u3053\u308c\u3089\u306e\u5146\u5019\u3092\u6349\u3048\u308b\u6307\u6a19\u304c\u3042\u308a\u307e\u3059\u3002<\/p> <ul> <li><strong>vmstat<\/strong>\uff1a\u30b9\u30ef\u30c3\u30d7\u5165\u51fa\uff08si\/so\uff09\u3001\u30ea\u30af\u30ec\u30fc\u30e0\u306e\u96f0\u56f2\u6c17\u3001\u30e9\u30f3\u30ad\u30e5\u30fc\u306e\u5897\u6e1b\u3002<\/li> <li><strong>PSI\uff08Pressure Stall Information\uff09<\/strong>\uff1a\u30e1\u30e2\u30ea\u5727\u8feb\u3067\u201c\u5f85\u305f\u3055\u308c\u3066\u3044\u308b\u6642\u9593\u201d\u3092\u6349\u3048\u3084\u3059\u3044\u3002<\/li> <li><strong>cgroups\u306eevents<\/strong>\uff1a\u4e0a\u9650\u5230\u9054\u3084OOM\u95a2\u9023\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u5897\u3048\u3066\u3044\u306a\u3044\u304b\u3002<\/li> <li><strong>p95\/p99\u30ec\u30a4\u30c6\u30f3\u30b7<\/strong>\uff1a\u5e73\u5747\u3067\u306f\u306a\u304f\u4e0a\u4f4d\u9045\u5ef6\u304c\u4f38\u3073\u308b\u3068\u3001\u5727\u8feb\u306e\u5b9f\u5bb3\u306b\u76f4\u7d50\u3057\u3084\u3059\u3044\u3002<\/li> <\/ul> <hr> <h3>\u30a2\u30e9\u30fc\u30c8\u306e\u4f5c\u308a\u65b9\uff1a\u843d\u3061\u308b\u524d\u306b\u201c\u30af\u30fc\u30eb\u30c0\u30a6\u30f3\u201d\u3055\u305b\u308b<\/h3> <p>\u30a2\u30e9\u30fc\u30c8\u306f\u300c\u843d\u3061\u305f\u300d\u901a\u77e5\u3067\u306f\u9045\u3059\u304e\u307e\u3059\u3002\u7406\u60f3\u306f\u3001\u843d\u3061\u308b\u524d\u306b\u7e2e\u9000\u3084\u5236\u9650\u3092\u304b\u3051\u308b\u305f\u3081\u306e\u201c\u5408\u56f3\u201d\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u69cb\u6210\u306f\u3001\u73fe\u5834\u3067\u306e\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u306b\u52b9\u304d\u307e\u3059\u3002<\/p> <ul> <li><strong>\u6ce8\u610f\uff08\u9ec4\uff09<\/strong>\uff1acgroup\u4f7f\u7528\u7387\u304c\u9ad8\u6b62\u307e\u308a\uff0fPSI\u304c\u4e0a\u6607\uff0fp95\u304c\u4f38\u3073\u59cb\u3081\u308b \u2192 \u4e26\u5217\u5ea6\u3092\u4e0b\u3052\u308b\u3001\u30d0\u30c3\u30c1\u958b\u59cb\u3092\u9045\u3089\u305b\u308b\u5224\u65ad\u6750\u6599\u3002<\/li> <li><strong>\u8b66\u6212\uff08\u6a59\uff09<\/strong>\uff1amemory.high\u8d85\u904e\u3084events\u5897\u52a0 \u2192 \u81ea\u52d5\u3067\u4e00\u90e8\u6a5f\u80fd\u5236\u9650\u3001\u30ec\u30fc\u30c8\u5236\u5fa1\u3001\u30ad\u30e5\u30fc\u306e\u53d6\u308a\u8fbc\u307f\u6291\u5236\u3002<\/li> <li><strong>\u5371\u967a\uff08\u8d64\uff09<\/strong>\uff1aOOM\u767a\u751f\u3001memory.max\u4ed8\u8fd1\u3001swap\u6fc0\u5897 \u2192 \u5f71\u97ff\u7bc4\u56f2\u306e\u9694\u96e2\u3001\u7dca\u6025\u7e2e\u9000\u3001\u539f\u56e0\u30ed\u30b0\u306e\u4fdd\u5168\u3092\u512a\u5148\u3002<\/li> <\/ul> <hr> <h3>\u300c\u3069\u308c\u3092\u76e3\u8996\u3059\u308c\u3070\u3044\u3044\u304b\u5206\u304b\u3089\u306a\u3044\u300d\u554f\u984c\u3078\u306e\u73fe\u5b9f\u89e3<\/h3> <p>\u76e3\u8996\u306f\u5897\u3084\u3057\u3059\u304e\u308b\u3068\u3001\u7d50\u5c40\u3060\u308c\u3082\u898b\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u3060\u304b\u3089\u3001\u307e\u305a\u306f\u201c\u539f\u56e0\u306e\u5c64\u201d\u3054\u3068\u306b\u6700\u5c0f\u30bb\u30c3\u30c8\u3092\u6c7a\u3081\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002<\/p> <table border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee;\">\u539f\u56e0\u306e\u5c64<\/th> <th style=\"background-color:#eeeeee;\">\u6700\u5c0f\u30bb\u30c3\u30c8\uff08\u4f8b\uff09<\/th> <th style=\"background-color:#eeeeee;\">\u898b\u843d\u3068\u3057\u3084\u3059\u3044\u7f60<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u30db\u30b9\u30c8\u5168\u4f53\u306e\u5727\u8feb<\/td> <td>PSI\u3001swap\u5165\u51fa\u3001\u4e3b\u8981\u30b5\u30fc\u30d3\u30b9\u306ep95<\/td> <td>\u5e73\u5747\u30ec\u30a4\u30c6\u30f3\u30b7\u3060\u3051\u898b\u3066\u5b89\u5fc3\u3059\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u30b3\u30f3\u30c6\u30ca\/\u30b5\u30fc\u30d3\u30b9\u4e0a\u9650<\/td> <td>memory.current\/max\u3001events\u3001OOM\u56de\u6570<\/td> <td>\u30db\u30b9\u30c8\u306efree\u3060\u3051\u898b\u3066\u5224\u65ad\u3059\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u30a2\u30d7\u30ea\u306e\u5897\u3048\u65b9<\/td> <td>\u30d7\u30ed\u30bb\u30b9RSS\/heap\u306e\u30c8\u30ec\u30f3\u30c9\u3001\u30ef\u30fc\u30ab\u6570\u3001\u30ad\u30e5\u30fc\u9577<\/td> <td>\u77ac\u9593\u5024\u3060\u3051\u898b\u3066\u201c\u305f\u307e\u305f\u307e\u201d\u6271\u3044\u3059\u308b<\/td> <\/tr> <\/table> <hr> <h3>\u518d\u767a\u9632\u6b62\u306f\u300c\u904b\u7528Runbook\u300d\u307e\u3067\u30bb\u30c3\u30c8<\/h3> <p>ENOMEM\u306f\u3001\u73fe\u5834\u5bfe\u5fdc\u304c\u30d0\u30e9\u30d0\u30e9\u3060\u3068\u540c\u3058\u4e8b\u6545\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002\u3060\u304b\u3089\u3001\u6700\u4f4e\u9650\u306eRunbook\uff08\u624b\u9806\u66f8\uff09\u3092\u4f5c\u3063\u3066\u304a\u304f\u3068\u3001\u53ce\u675f\u304c\u65e9\u304f\u306a\u308a\u307e\u3059\u3002\u5185\u5bb9\u306f\u6d3e\u624b\u3067\u306a\u304f\u3066\u826f\u3044\u3067\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001<strong>\u8ab0\u304c\u898b\u3066\u3082\u540c\u3058\u9806\u756a\u3067\u201c\u8a3c\u62e0\u3092\u6b8b\u3057\u3001\u5f71\u97ff\u3092\u6291\u3048\u8fbc\u307f\u3001\u5224\u65ad\u3059\u308b\u201d<\/strong>\u3053\u3068\u3067\u3059\u3002<\/p> <ol> <li>\u4e8b\u8c61\u6642\u523b\u30fb\u5bfe\u8c61PID\/Pod\/Unit\u3092\u7279\u5b9a<\/li> <li>\u30ed\u30b0\u4fdd\u5168\uff08journal\/dmesg\/\u30a2\u30d7\u30ea\u30ed\u30b0\uff09<\/li> <li>\u5236\u9650\u306e\u78ba\u8a8d\uff08ulimit\u3001unit\u3001cgroups\uff09<\/li> <li>\u5727\u8feb\u306e\u78ba\u8a8d\uff08PSI\u3001swap\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\uff09<\/li> <li>\u7e2e\u9000\u5224\u65ad\uff08\u4e26\u5217\u5ea6\u30fb\u30ec\u30fc\u30c8\u5236\u5fa1\u30fb\u6a5f\u80fd\u5236\u9650\uff09<\/li> <li>\u6052\u4e45\u5bfe\u7b56\u306e\u4eee\u8aac\uff08\u30ea\u30fc\u30af\uff0f\u30d4\u30fc\u30af\uff0f\u5236\u9650\u5024\u306e\u4e0d\u6574\u5408\uff09<\/li> <\/ol> <p>\u3053\u3053\u307e\u3067\u6574\u3046\u3068\u3001ENOMEM\u306f\u201c\u7a81\u7136\u306e\u4e8b\u6545\u201d\u3067\u306f\u306a\u304f\u3001\u201c\u4e88\u5146\u304c\u53d6\u308c\u308b\u904b\u7528\u8ab2\u984c\u201d\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u76e3\u8996\u30fb\u7e2e\u9000\u30fbRunbook\u306f\u3001\u7d44\u7e54\u306e\u5f79\u5272\u5206\u62c5\u3084\u5951\u7d04\u3001\u30b7\u30b9\u30c6\u30e0\u5883\u754c\u306e\u4e8b\u60c5\u3067\u6700\u9069\u89e3\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u4e00\u822c\u8ad6\u3092\u305d\u306e\u307e\u307e\u5f53\u3066\u306f\u3081\u308b\u3068\u300c\u76e3\u8996\u306f\u5897\u3048\u305f\u306e\u306b\u3001\u73fe\u5834\u306f\u697d\u306b\u306a\u3089\u306a\u3044\u300d\u72b6\u614b\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u5177\u4f53\u7684\u306a\u69cb\u6210\u3068\u8cac\u4efb\u5206\u754c\u3092\u8e0f\u307e\u3048\u3066\u3001\u6700\u5c0f\u30b3\u30b9\u30c8\u3067\u53ce\u675f\u3055\u305b\u305f\u3044\u306a\u3089\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u306b\u76f8\u8ac7\u3057\u3001\u76e3\u8996\u8a2d\u8a08\u3068\u6539\u5584\u6848\u3092\u4e00\u7dd2\u306b\u56fa\u3081\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\uff08\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1ahttps:\/\/jouhou.main.jp\/?page_id=26983 \uff0f \u96fb\u8a71\uff1a0120-838-831\uff09\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;\">\u7b2c10\u7ae0\uff1a\u5e30\u7d50\uff1aENOMEM\u306f\u300c\u4e0d\u8db3\u300d\u3067\u306f\u306a\u304f\u300c\u5951\u7d04\u9055\u53cd\u300d\u2500\u2500\u4e0a\u9650\u3092\u53ef\u8996\u5316\u3057\u3001\u58ca\u308c\u65b9\u3092\u5236\u5fa1\u3059\u308b<\/h2> <p>\u3053\u3053\u307e\u3067\u8aad\u3093\u3060\u3042\u306a\u305f\u304c\u3001\u305f\u3076\u3093\u4e00\u756a\u300c\u306a\u308b\u307b\u3069\u300d\u3068\u611f\u3058\u308b\u306e\u306f\u3001ENOMEM\u304c\u201c\u30e1\u30e2\u30ea\u304c\u8db3\u308a\u306a\u3044\u201d\u3068\u3044\u3046\u5358\u7d14\u306a\u4e0d\u8db3\u3067\u306f\u306a\u304f\u3001<strong>\u3069\u3053\u304b\u306e\u4e0a\u9650\uff08\u5951\u7d04\u6761\u4ef6\uff09\u306b\u89e6\u308c\u305f\u7d50\u679c\u3068\u3057\u3066\u8868\u9762\u5316\u3059\u308b<\/strong>\u30b1\u30fc\u30b9\u304c\u3068\u3066\u3082\u591a\u3044\u3001\u3068\u3044\u3046\u70b9\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u30db\u30b9\u30c8\u306e\u7a7a\u304d\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u4e0a\u9650\u3001systemd\u306e\u5236\u9650\u3001ulimit\u3001overcommit\u3001\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3001\u305d\u3057\u3066\u30a2\u30d7\u30ea\u306e\u5272\u308a\u5f53\u3066\u30d1\u30bf\u30fc\u30f3\u3002\u3053\u308c\u3089\u306f\u5168\u90e8\u3001\u540c\u3058\u300cENOMEM\u300d\u3068\u3044\u3046\u9854\u3092\u3057\u3066\u73fe\u308c\u307e\u3059\u3002<\/p> <p>\u3060\u304b\u3089\u3001\u7d50\u8ad6\u306f\u3053\u3046\u3067\u3059\u3002ENOMEM\u306b\u5f37\u3044\u73fe\u5834\u306f\u3001\u30e1\u30e2\u30ea\u3092\u201c\u91cf\u201d\u3068\u3057\u3066\u3060\u3051\u6271\u3044\u307e\u305b\u3093\u3002<strong>\u67a0\uff08\u4e0a\u9650\uff09\u3068\u5b9f\u614b\uff08\u4f7f\u3044\u65b9\uff09\u3068\u58ca\u308c\u65b9\uff08\u843d\u3061\u65b9\uff09\u3092\u30bb\u30c3\u30c8\u3067\u8a2d\u8a08<\/strong>\u3057\u307e\u3059\u3002\u9006\u306b\u3001\u3053\u3053\u304c\u66d6\u6627\u306a\u73fe\u5834\u306f\u300c\u3068\u308a\u3042\u3048\u305a\u5897\u3084\u3059\u300d\u300c\u3068\u308a\u3042\u3048\u305a\u518d\u8d77\u52d5\u300d\u306e\u5f80\u5fa9\u306b\u306a\u308a\u3001\u6b21\u306e\u30d4\u30fc\u30af\u3067\u518d\u71c3\u3057\u307e\u3059\u3002<\/p> <h3>\u6700\u5f8c\u306b\u6574\u7406\uff1aENOMEM\u3092\u53ce\u675f\u3055\u305b\u308b\u305f\u3081\u306e3\u70b9\u30bb\u30c3\u30c8<\/h3> <table border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee;\">\u89b3\u70b9<\/th> <th style=\"background-color:#eeeeee;\">\u3084\u308b\u3053\u3068<\/th> <th style=\"background-color:#eeeeee;\">\u8179\u843d\u3061\u3059\u308b\u7406\u7531<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u67a0\uff08\u4e0a\u9650\uff09<\/td> <td>ulimit \/ systemd \/ cgroups \u306e\u4e0a\u9650\u3092\u4e00\u89a7\u5316\u3057\u3001\u5b9f\u904b\u7528\u306e\u5024\u3092\u78ba\u5b9a\u3059\u308b<\/td> <td>\u30db\u30b9\u30c8\u306b\u4f59\u88d5\u304c\u3042\u3063\u3066\u3082\u843d\u3061\u308b\u201c\u898b\u3048\u306a\u3044\u5929\u4e95\u201d\u3092\u6d88\u305b\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u5b9f\u614b\uff08\u4f7f\u3044\u65b9\uff09<\/td> <td>\u30d4\u30fc\u30af\u306e\u539f\u56e0\u3092\u5206\u89e3\uff08\u4e26\u5217\u5ea6\u30fb\u5165\u529b\u30b5\u30a4\u30ba\u30fb\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30ea\u30fc\u30af\u30fb\u65ad\u7247\u5316\uff09\u3057\u3001\u5185\u8a33\u3092\u63b4\u3080<\/td> <td>\u5897\u8a2d\u3067\u9003\u3052\u308b\u524d\u306b\u3001\u6e1b\u3089\u305b\u308b\u30fb\u6291\u3048\u8fbc\u3081\u308b\u30dd\u30a4\u30f3\u30c8\u304c\u898b\u3048\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u58ca\u308c\u65b9\uff08\u843d\u3061\u65b9\uff09<\/td> <td>\u7e2e\u9000\u904b\u8ee2\u30fb\u30ec\u30fc\u30c8\u5236\u5fa1\u30fb\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u30fb\u30ad\u30e5\u30fc\u8a2d\u8a08\u3067\u201c\u843d\u3061\u308b\u524d\u306b\u6e1b\u901f\u201d\u3092\u7528\u610f\u3059\u308b<\/td> <td>\u843d\u3061\u65b9\u3092\u5236\u5fa1\u3067\u304d\u308b\u3068\u3001\u4e8b\u6545\u304c\u904b\u7528\u306e\u7bc4\u56f2\u306b\u623b\u308b<\/td> <\/tr> <\/table> <hr> <h3>\u300c\u81ea\u5206\u3067\u76f4\u305b\u305d\u3046\u300d\u306b\u898b\u3048\u308b\u77ac\u9593\u304c\u3001\u3044\u3061\u3070\u3093\u5371\u306a\u3044<\/h3> <p>ENOMEM\u306f\u3001\u539f\u56e0\u306e\u5c64\u3092\u898b\u8aa4\u308b\u3068\u5bfe\u7b56\u304c\u9006\u52b9\u679c\u306b\u306a\u308a\u3084\u3059\u3044\u969c\u5bb3\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30b3\u30f3\u30c6\u30ca\u4e0a\u9650\u304c\u539f\u56e0\u306a\u306e\u306b\u30db\u30b9\u30c8\u5074\u3060\u3051\u5897\u8a2d\u3059\u308b\u3001overcommit\u3068\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u304c\u565b\u307f\u5408\u3063\u3066\u3044\u306a\u3044\u306e\u306bswap\u3060\u3051\u5897\u3084\u3059\u3001\u30ea\u30fc\u30af\u306a\u306e\u306b\u4e0a\u9650\u3092\u4e0a\u3052\u3066\u5ef6\u547d\u3059\u308b\u2014\u2014\u3053\u3046\u3057\u305f\u624b\u5f53\u3066\u306f\u3001\u77ed\u671f\u7684\u306b\u53ce\u675f\u3057\u305f\u3088\u3046\u306b\u898b\u3048\u3066\u3082\u3001<strong>\u30d4\u30fc\u30af\u6642\u306b\u5225\u306e\u5f62\u3067\u518d\u71c3<\/strong>\u3057\u307e\u3059\u3002<\/p> <p>\u73fe\u5834\u306e\u672c\u97f3\u3068\u3057\u3066\u306f\u3001\u3053\u3046\u3067\u3059\u3088\u306d\u3002<\/p> <p>\u300c\u5206\u304b\u3063\u3066\u308b\u3002\u5206\u304b\u3063\u3066\u308b\u3051\u3069\u3001\u3044\u307e\u6b62\u3081\u3089\u308c\u306a\u3044\u3093\u3060\u3088\u300d<\/p> <p>\u3060\u304b\u3089\u3053\u305d\u3001\u6700\u521d\u306b\u3084\u308b\u3079\u304d\u306f\u201c\u5b8c\u5168\u89e3\u6c7a\u201d\u3067\u306f\u306a\u304f\u3001<strong>\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08\u88ab\u5bb3\u6700\u5c0f\u5316\uff09<\/strong>\u3067\u3059\u3002\u30ed\u30b0\u3092\u5b88\u308a\u3001\u5f71\u97ff\u3092\u56fa\u5b9a\u3057\u3001\u7e2e\u9000\u3055\u305b\u3001\u518d\u767a\u3092\u9632\u3050\u89b3\u6e2c\u3092\u5165\u308c\u308b\u3002\u3053\u308c\u304c\u3067\u304d\u308b\u3068\u3001\u73fe\u5834\u306e\u6e29\u5ea6\u304c\u4e0b\u304c\u308a\u3001\u5224\u65ad\u304c\u30af\u30ea\u30a2\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u4f9d\u983c\u5224\u65ad\uff1a\u4eca\u3059\u3050\u76f8\u8ac7\u3059\u3079\u304d\u6761\u4ef6<\/h3> <ul> <li>OOM\u304c\u767a\u751f\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u7a81\u7136\u6d88\u3048\u308b\uff0f\u540c\u5c45\u30b5\u30fc\u30d3\u30b9\u307e\u3067\u5dfb\u304d\u8fbc\u307f\u59cb\u3081\u3066\u3044\u308b<\/li> <li>\u30b3\u30f3\u30c6\u30ca\u3084systemd\u306e\u4e0a\u9650\u304c\u7d61\u307f\u3001\u8a2d\u5b9a\u5dee\u5206\u306e\u8ffd\u8de1\u304c\u8907\u6570\u30c1\u30fc\u30e0\u306b\u8de8\u3063\u3066\u3044\u308b<\/li> <li>\u30d4\u30fc\u30af\u6642\u306e\u540c\u6642\u5b9f\u884c\u30fb\u30d0\u30c3\u30c1\u30fb\u5916\u90e8API\u9045\u5ef6\u304c\u7d61\u307f\u3001\u539f\u56e0\u304c\u4e00\u3064\u306b\u7d5e\u308c\u306a\u3044<\/li> <li>\u30ec\u30ac\u30b7\u30fc\u3067\u505c\u6b62\u3067\u304d\u305a\u3001\u8abf\u67fb\u306e\u305f\u3081\u306e\u8a08\u6e2c\u3084\u5909\u66f4\u81ea\u4f53\u304c\u30ea\u30b9\u30af\u306b\u306a\u3063\u3066\u3044\u308b<\/li> <li>\u5951\u7d04\u30fbSLO\u30fb\u696d\u52d9\u5f71\u97ff\u304c\u7d61\u307f\u3001\u300c\u9045\u304f\u306a\u308b\u300d\u304b\u300c\u843d\u3061\u308b\u300d\u304b\u306e\u8a31\u5bb9\u5224\u65ad\u304c\u5fc5\u8981<\/li> <\/ul> <hr> <h3>\u4e00\u822c\u8ad6\u306e\u9650\u754c\u3068\u3001\u5c02\u9580\u5bb6\u306b\u4efb\u305b\u308b\u610f\u5473<\/h3> <p>\u3053\u3053\u307e\u3067\u306e\u5185\u5bb9\u306f\u3001\u73fe\u5834\u3067\u3088\u304f\u52b9\u304f\u201c\u539f\u7406\u539f\u5247\u201d\u3067\u3059\u3002\u305f\u3060\u3001\u3042\u306a\u305f\u306e\u74b0\u5883\u306b\u306f\u5fc5\u305a\u56fa\u6709\u6761\u4ef6\u304c\u3042\u308a\u307e\u3059\u3002\u5951\u7d04\u3001\u696d\u52d9\u30d4\u30fc\u30af\u3001\u5197\u9577\u5316\u3001\u76e3\u8996\u57fa\u76e4\u3001\u30ea\u30ea\u30fc\u30b9\u624b\u9806\u3001\u8cac\u4efb\u5206\u754c\u3001\u305d\u3057\u3066\u300c\u6b62\u3081\u3089\u308c\u306a\u3044\u300d\u3068\u3044\u3046\u73fe\u5b9f\u3002\u3053\u3046\u3057\u305f\u524d\u63d0\u304c\u3042\u308b\u4ee5\u4e0a\u3001\u4e00\u822c\u8ad6\u3060\u3051\u3067\u6700\u9069\u89e3\u3092\u65ad\u8a00\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p> <p>\u3060\u304b\u3089\u6700\u7d42\u7684\u306a\u5e30\u7d50\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002ENOMEM\u3092\u201c\u6280\u8853\u8ab2\u984c\u201d\u3068\u3057\u3066\u3060\u3051\u51e6\u7406\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u73fe\u5834\u306f\u75b2\u5f0a\u3057\u307e\u3059\u3002ENOMEM\u3092<strong>\u904b\u7528\u8a2d\u8a08\u3068\u5951\u7d04\u6761\u4ef6\u306e\u554f\u984c<\/strong>\u3068\u3057\u3066\u6271\u3044\u3001\u67a0\u3068\u5b9f\u614b\u3068\u58ca\u308c\u65b9\u3092\u63c3\u3048\u3066\u521d\u3081\u3066\u3001\u5b89\u5b9a\u3057\u3066\u53ce\u675f\u3057\u307e\u3059\u3002\u305d\u306e\u6574\u7406\u3092\u77ed\u3044\u6642\u9593\u3067\u3084\u308a\u5207\u308b\u306b\u306f\u3001\u7d4c\u9a13\u3068\u624b\u9806\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p> <p>\u5177\u4f53\u7684\u306a\u6848\u4ef6\u30fb\u5951\u7d04\u30fb\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u307e\u3067\u8e0f\u307f\u8fbc\u3093\u3067\u300c\u3069\u3053\u3092\u5b88\u308a\u3001\u3069\u3053\u3092\u524a\u308b\u304b\u300d\u300c\u3069\u306e\u9806\u3067\u53ce\u675f\u3055\u305b\u308b\u304b\u300d\u3067\u60a9\u3093\u3060\u3089\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1ahttps:\/\/jouhou.main.jp\/?page_id=26983 \uff0f \u96fb\u8a71\uff1a0120-838-831\uff09\u3002<\/p> \r\n\r\n\r\n\r\n<p>\u3000<\/p> <a id=\"sec11\"><\/a> <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\u2500\u2500ENOMEM\/\u30e1\u30e2\u30ea\u554f\u984c\u3067\u898b\u843d\u3068\u3057\u3084\u3059\u3044\u6ce8\u610f\u70b9<\/h2> <p>ENOMEM\u306fOS\u5074\u306e\u5236\u9650\u304c\u4e3b\u56e0\u306b\u306a\u308b\u3053\u3068\u3082\u591a\u3044\u4e00\u65b9\u3067\u3001\u30a2\u30d7\u30ea\u5074\u306e\u30e1\u30e2\u30ea\u306e\u201c\u5897\u3048\u65b9\u201d\u3084\u201c\u4fdd\u6301\u306e\u4ed5\u65b9\u201d\u304c\u5f15\u304d\u91d1\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u73fe\u5834\u3067\u518d\u767a\u9632\u6b62\u306b\u52b9\u304d\u3084\u3059\u3044\u6ce8\u610f\u70b9\u3092\u3001\u8a00\u8a9e\u30fb\u30e9\u30f3\u30bf\u30a4\u30e0\u3054\u3068\u306b\u77ed\u304f\u6574\u7406\u3057\u307e\u3059\u3002<\/p> <h3>C \/ C++<\/h3> <ul> <li>\u30ea\u30fc\u30af\u306e\u6709\u7121\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u78ba\u4fdd\u30b5\u30a4\u30ba\u306e\u5206\u5e03<\/strong>\u3068\u89e3\u653e\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u504f\u308a\u304c\u65ad\u7247\u5316\u3092\u4f5c\u308b\u3002<\/li> <li>\u30b9\u30ec\u30c3\u30c9\u3054\u3068\u306e\u30b9\u30bf\u30c3\u30af\u4f7f\u7528\u91cf\u304c\u5927\u304d\u3044\u5b9f\u88c5\u306f\u3001\u4e26\u5217\u5ea6\u5897\u52a0\u3067\u6025\u306b\u8a70\u3080\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <li>\u30a2\u30ed\u30b1\u30fc\u30bf\u306e\u6319\u52d5\uff08\u30b9\u30ec\u30c3\u30c9\u3054\u3068\u306earena\u3001\u65ad\u7247\u5316\u3001mmap\u591a\u7528\uff09\u304c\u30e1\u30e2\u30ea\u306e\u898b\u3048\u65b9\u3092\u5909\u3048\u308b\u3002<\/li> <\/ul> <h3>Rust<\/h3> <ul> <li>\u5b89\u5168\u6027\u306f\u9ad8\u3044\u304c\u3001<strong>\u4fdd\u6301\u3057\u3066\u3044\u308b\u53c2\u7167\u304c\u9577\u3044<\/strong>\u3068\u30e1\u30e2\u30ea\u304c\u623b\u3089\u306a\u3044\uff08\u8a2d\u8a08\u6b21\u7b2c\u3067\u5e38\u99d0\u5316\u3059\u308b\uff09\u3002<\/li> <li>Vec\/HashMap\u306e\u6210\u9577\u6226\u7565\u3067\u30d4\u30fc\u30af\u304c\u8df3\u306d\u308b\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u3001\u4e0a\u9650\u30fb\u4e88\u7d04\u5bb9\u91cf\u30fb\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u5316\u304c\u52b9\u304f\u3002<\/li> <\/ul> <h3>Go<\/h3> <ul> <li>goroutine\u5897\u6b96\u3084\u30ad\u30e5\u30fc\u6ede\u7559\u3067\u3001\u60f3\u5b9a\u4ee5\u4e0a\u306b\u30e1\u30e2\u30ea\u304c\u81a8\u3089\u3080\uff08\u4e26\u5217\u5ea6\u3068\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u304c\u91cd\u8981\uff09\u3002<\/li> <li>\u53c2\u7167\u304c\u6b8b\u308b\u3068GC\u304c\u56de\u3063\u3066\u3082\u56de\u53ce\u3067\u304d\u306a\u3044\u305f\u3081\u3001<strong>\u30c7\u30fc\u30bf\u306e\u6240\u6709\u3068\u5bff\u547d<\/strong>\u3092\u8a2d\u8a08\u3067\u63c3\u3048\u308b\u3002<\/li> <li>\u30b3\u30f3\u30c6\u30ca\u4e0a\u9650\u3068\u5b9f\u30e1\u30e2\u30ea\u6319\u52d5\u306e\u565b\u307f\u5408\u308f\u305b\u3067\u3001\u30d4\u30fc\u30af\u6642\u306b\u843d\u3061\u65b9\u304c\u5909\u308f\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <\/ul> <h3>Java \/ Kotlin \/ Scala\uff08JVM\u7cfb\uff09<\/h3> <ul> <li>\u30d2\u30fc\u30d7\uff08-Xmx\uff09\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u30e1\u30bf\u30b9\u30da\u30fc\u30b9\u3001\u30b9\u30ec\u30c3\u30c9\u30b9\u30bf\u30c3\u30af\u3001DirectBuffer\u7b49<\/strong>\u306e\u5408\u8a08\u3067\u67a0\u306b\u5f53\u305f\u308b\u3002<\/li> <li>\u30b3\u30f3\u30c6\u30ca\u4e0a\u9650\u306b\u5bfe\u3057\u3066JVM\u8a2d\u5b9a\u304c\u5408\u3063\u3066\u3044\u306a\u3044\u3068\u3001\u4f59\u88d5\u304c\u3042\u308b\u3088\u3046\u306b\u898b\u3048\u3066\u7a81\u7136\u843d\u3061\u308b\u3002<\/li> <li>GC\u306f\u4e07\u80fd\u3067\u306f\u306a\u304f\u3001\u30d4\u30fc\u30af\u306e\u4f5c\u308a\u65b9\uff08\u540c\u6642\u5b9f\u884c\u30fb\u4e00\u62ec\u8aad\u307f\u8fbc\u307f\uff09\u3092\u5909\u3048\u306a\u3044\u3068\u518d\u767a\u3057\u3084\u3059\u3044\u3002<\/li> <\/ul> <h3>Python<\/h3> <ul> <li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u53c2\u7167\u304c\u6b8b\u308a\u7d9a\u3051\u308b\u3068\u3001\u5b9f\u8cea\u7684\u306b\u30ea\u30fc\u30af\u3068\u540c\u3058\u75c7\u72b6\u306b\u306a\u308b\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30b0\u30ed\u30fc\u30d0\u30eb\u4fdd\u6301\u306b\u6ce8\u610f\uff09\u3002<\/li> <li>\u30d0\u30c3\u30c1\u3067\u5de8\u5927\u30c7\u30fc\u30bf\u3092\u4e00\u62ec\u3067\u6301\u3064\u8a2d\u8a08\u306f\u30d4\u30fc\u30af\u3092\u4f5c\u308a\u3084\u3059\u3044\uff08\u30c1\u30e3\u30f3\u30af\u51e6\u7406\u30fb\u9010\u6b21\u5316\u304c\u52b9\u304f\uff09\u3002<\/li> <li>\u30cd\u30a4\u30c6\u30a3\u30d6\u62e1\u5f35\u3084\u5916\u90e8\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u78ba\u4fdd\u3059\u308b\u9818\u57df\u306f\u3001\u7d14\u7c8b\u306aPython\u30b3\u30fc\u30c9\u306e\u611f\u899a\u3068\u30ba\u30ec\u308b\u3002<\/li> <\/ul> <h3>Node.js\uff08JavaScript\/TypeScript\u5b9f\u884c\u7cfb\uff09<\/h3> <ul> <li>\u30d2\u30fc\u30d7\u4e0a\u9650\u3084\u30d0\u30c3\u30d5\u30a1\u6ede\u7559\u3067\u30d4\u30fc\u30af\u304c\u51fa\u3084\u3059\u3044\uff08\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u3068\u540c\u6642\u5b9f\u884c\u5236\u5fa1\u304c\u91cd\u8981\uff09\u3002<\/li> <li>Promise\u306e\u672a\u56de\u53ce\u3001\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u306b\u6e9c\u307e\u308b\u53c2\u7167\u304c\u201c\u623b\u3089\u306a\u3044\u30e1\u30e2\u30ea\u201d\u3092\u4f5c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <\/ul> <h3>PHP<\/h3> <ul> <li>\u30d7\u30ed\u30bb\u30b9\u30e2\u30c7\u30eb\uff08FPM\u7b49\uff09\u3068\u30ef\u30fc\u30ab\u6570\u304c\u30e1\u30e2\u30ea\u7dcf\u91cf\u3092\u6c7a\u3081\u308b\u305f\u3081\u3001<strong>\u540c\u6642\u5b9f\u884c\u00d7\u30ef\u30fc\u30ab\u5e38\u99d0<\/strong>\u3067\u67a0\u306b\u5f53\u305f\u308a\u3084\u3059\u3044\u3002<\/li> <li>\u30ea\u30af\u30a8\u30b9\u30c8\u5358\u4f4d\u306e\u30e1\u30e2\u30ea\u4e0a\u9650\u8a2d\u5b9a\u304c\u3042\u308b\u74b0\u5883\u3067\u306f\u3001\u5165\u529b\u30b5\u30a4\u30ba\u3084\u51e6\u7406\u624b\u9806\u3067\u6025\u306b\u5931\u6557\u3059\u308b\u3002<\/li> <\/ul> <h3>.NET\uff08C# \u306a\u3069\uff09<\/h3> <ul> <li>\u30de\u30cd\u30fc\u30b8\u9818\u57df\u4ee5\u5916\uff08\u30cd\u30a4\u30c6\u30a3\u30d6\u3001\u30d4\u30f3\u7559\u3081\u3001\u30b9\u30ec\u30c3\u30c9\u3001\u30d0\u30c3\u30d5\u30a1\uff09\u306e\u5f71\u97ff\u3067\u3001\u60f3\u5b9a\u3088\u308a\u65e9\u304f\u67a0\u306b\u5f53\u305f\u308b\u3002<\/li> <li>\u5927\u304d\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u30d4\u30fc\u30af\u3092\u4f5c\u308b\u305f\u3081\u3001\u4e0a\u9650\u3068\u8ffd\u3044\u51fa\u3057\u8a2d\u8a08\u304c\u52b9\u304f\u3002<\/li> <\/ul> <hr> <p>\u8a00\u8a9e\u3054\u3068\u306e\u6ce8\u610f\u70b9\u306f\u3042\u304f\u307e\u3067\u5165\u53e3\u3067\u3001\u6700\u7d42\u7684\u306b\u306f\u300c\u3042\u306a\u305f\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u3069\u306e\u30d4\u30fc\u30af\u3092\u8a31\u5bb9\u3057\u3001\u3069\u3053\u3067\u6e1b\u901f\u3057\u3001\u3069\u3053\u3092\u5b88\u308b\u306e\u304b\u300d\u3068\u3044\u3046\u8a2d\u8a08\u306b\u5e30\u7740\u3057\u307e\u3059\u3002\u4e00\u822c\u8ad6\u306e\u7bc4\u56f2\u3092\u8d85\u3048\u3066\u3001\u5177\u4f53\u7684\u306a\u69cb\u6210\u30fb\u5951\u7d04\u30fb\u904b\u7528\u306e\u73fe\u5b9f\u307e\u3067\u8e0f\u307e\u3048\u305f\u5224\u65ad\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u3089\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1ahttps:\/\/jouhou.main.jp\/?page_id=26983 \uff0f \u96fb\u8a71\uff1a0120-838-831\uff09\u3002<\/p> \r\n\r\n <p>\u3000<\/p> <a id=\"sec10\"><\/a> <h2 style=\"font-size:1.2em; font-weight:bold; text-decoration:underline;\">\u7b2c10\u7ae0\uff1a\u5e30\u7d50\uff1aENOMEM\u306f\u300c\u4e0d\u8db3\u300d\u3067\u306f\u306a\u304f\u300c\u5951\u7d04\u9055\u53cd\u300d\u2500\u2500\u4e0a\u9650\u3092\u53ef\u8996\u5316\u3057\u3001\u58ca\u308c\u65b9\u3092\u5236\u5fa1\u3059\u308b<\/h2> <p>\u3053\u3053\u307e\u3067\u8aad\u3093\u3060\u3042\u306a\u305f\u304c\u3001\u305f\u3076\u3093\u4e00\u756a\u300c\u306a\u308b\u307b\u3069\u300d\u3068\u611f\u3058\u308b\u306e\u306f\u3001ENOMEM\u304c\u201c\u30e1\u30e2\u30ea\u304c\u8db3\u308a\u306a\u3044\u201d\u3068\u3044\u3046\u5358\u7d14\u306a\u4e0d\u8db3\u3067\u306f\u306a\u304f\u3001<strong>\u3069\u3053\u304b\u306e\u4e0a\u9650\uff08\u5951\u7d04\u6761\u4ef6\uff09\u306b\u89e6\u308c\u305f\u7d50\u679c\u3068\u3057\u3066\u8868\u9762\u5316\u3059\u308b<\/strong>\u30b1\u30fc\u30b9\u304c\u3068\u3066\u3082\u591a\u3044\u3001\u3068\u3044\u3046\u70b9\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u30db\u30b9\u30c8\u306e\u7a7a\u304d\u3001\u30b3\u30f3\u30c6\u30ca\u306e\u4e0a\u9650\u3001systemd\u306e\u5236\u9650\u3001ulimit\u3001overcommit\u3001\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3001\u305d\u3057\u3066\u30a2\u30d7\u30ea\u306e\u5272\u308a\u5f53\u3066\u30d1\u30bf\u30fc\u30f3\u3002\u3053\u308c\u3089\u306f\u5168\u90e8\u3001\u540c\u3058\u300cENOMEM\u300d\u3068\u3044\u3046\u9854\u3092\u3057\u3066\u73fe\u308c\u307e\u3059\u3002<\/p> <p>\u3060\u304b\u3089\u3001\u7d50\u8ad6\u306f\u3053\u3046\u3067\u3059\u3002ENOMEM\u306b\u5f37\u3044\u73fe\u5834\u306f\u3001\u30e1\u30e2\u30ea\u3092\u201c\u91cf\u201d\u3068\u3057\u3066\u3060\u3051\u6271\u3044\u307e\u305b\u3093\u3002<strong>\u67a0\uff08\u4e0a\u9650\uff09\u3068\u5b9f\u614b\uff08\u4f7f\u3044\u65b9\uff09\u3068\u58ca\u308c\u65b9\uff08\u843d\u3061\u65b9\uff09\u3092\u30bb\u30c3\u30c8\u3067\u8a2d\u8a08<\/strong>\u3057\u307e\u3059\u3002\u9006\u306b\u3001\u3053\u3053\u304c\u66d6\u6627\u306a\u73fe\u5834\u306f\u300c\u3068\u308a\u3042\u3048\u305a\u5897\u3084\u3059\u300d\u300c\u3068\u308a\u3042\u3048\u305a\u518d\u8d77\u52d5\u300d\u306e\u5f80\u5fa9\u306b\u306a\u308a\u3001\u6b21\u306e\u30d4\u30fc\u30af\u3067\u518d\u71c3\u3057\u307e\u3059\u3002<\/p> <h3>\u6700\u5f8c\u306b\u6574\u7406\uff1aENOMEM\u3092\u53ce\u675f\u3055\u305b\u308b\u305f\u3081\u306e3\u70b9\u30bb\u30c3\u30c8<\/h3> <table border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"> <tr> <th style=\"background-color:#eeeeee;\">\u89b3\u70b9<\/th> <th style=\"background-color:#eeeeee;\">\u3084\u308b\u3053\u3068<\/th> <th style=\"background-color:#eeeeee;\">\u8179\u843d\u3061\u3059\u308b\u7406\u7531<\/th> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u67a0\uff08\u4e0a\u9650\uff09<\/td> <td>ulimit \/ systemd \/ cgroups \u306e\u4e0a\u9650\u3092\u4e00\u89a7\u5316\u3057\u3001\u5b9f\u904b\u7528\u306e\u5024\u3092\u78ba\u5b9a\u3059\u308b<\/td> <td>\u30db\u30b9\u30c8\u306b\u4f59\u88d5\u304c\u3042\u3063\u3066\u3082\u843d\u3061\u308b\u201c\u898b\u3048\u306a\u3044\u5929\u4e95\u201d\u3092\u6d88\u305b\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u5b9f\u614b\uff08\u4f7f\u3044\u65b9\uff09<\/td> <td>\u30d4\u30fc\u30af\u306e\u539f\u56e0\u3092\u5206\u89e3\uff08\u4e26\u5217\u5ea6\u30fb\u5165\u529b\u30b5\u30a4\u30ba\u30fb\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30ea\u30fc\u30af\u30fb\u65ad\u7247\u5316\uff09\u3057\u3001\u5185\u8a33\u3092\u63b4\u3080<\/td> <td>\u5897\u8a2d\u3067\u9003\u3052\u308b\u524d\u306b\u3001\u6e1b\u3089\u305b\u308b\u30fb\u6291\u3048\u8fbc\u3081\u308b\u30dd\u30a4\u30f3\u30c8\u304c\u898b\u3048\u308b<\/td> <\/tr> <tr> <td style=\"background-color:#eeeeee;\">\u58ca\u308c\u65b9\uff08\u843d\u3061\u65b9\uff09<\/td> <td>\u7e2e\u9000\u904b\u8ee2\u30fb\u30ec\u30fc\u30c8\u5236\u5fa1\u30fb\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u30fb\u30ad\u30e5\u30fc\u8a2d\u8a08\u3067\u201c\u843d\u3061\u308b\u524d\u306b\u6e1b\u901f\u201d\u3092\u7528\u610f\u3059\u308b<\/td> <td>\u843d\u3061\u65b9\u3092\u5236\u5fa1\u3067\u304d\u308b\u3068\u3001\u4e8b\u6545\u304c\u904b\u7528\u306e\u7bc4\u56f2\u306b\u623b\u308b<\/td> <\/tr> <\/table> <hr> <h3>\u300c\u81ea\u5206\u3067\u76f4\u305b\u305d\u3046\u300d\u306b\u898b\u3048\u308b\u77ac\u9593\u304c\u3001\u3044\u3061\u3070\u3093\u5371\u306a\u3044<\/h3> <p>ENOMEM\u306f\u3001\u539f\u56e0\u306e\u5c64\u3092\u898b\u8aa4\u308b\u3068\u5bfe\u7b56\u304c\u9006\u52b9\u679c\u306b\u306a\u308a\u3084\u3059\u3044\u969c\u5bb3\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u30b3\u30f3\u30c6\u30ca\u4e0a\u9650\u304c\u539f\u56e0\u306a\u306e\u306b\u30db\u30b9\u30c8\u5074\u3060\u3051\u5897\u8a2d\u3059\u308b\u3001overcommit\u3068\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u304c\u565b\u307f\u5408\u3063\u3066\u3044\u306a\u3044\u306e\u306bswap\u3060\u3051\u5897\u3084\u3059\u3001\u30ea\u30fc\u30af\u306a\u306e\u306b\u4e0a\u9650\u3092\u4e0a\u3052\u3066\u5ef6\u547d\u3059\u308b\u2014\u2014\u3053\u3046\u3057\u305f\u624b\u5f53\u3066\u306f\u3001\u77ed\u671f\u7684\u306b\u53ce\u675f\u3057\u305f\u3088\u3046\u306b\u898b\u3048\u3066\u3082\u3001<strong>\u30d4\u30fc\u30af\u6642\u306b\u5225\u306e\u5f62\u3067\u518d\u71c3<\/strong>\u3057\u307e\u3059\u3002<\/p> <p>\u73fe\u5834\u306e\u672c\u97f3\u3068\u3057\u3066\u306f\u3001\u3053\u3046\u3067\u3059\u3088\u306d\u3002<\/p> <p>\u300c\u5206\u304b\u3063\u3066\u308b\u3002\u5206\u304b\u3063\u3066\u308b\u3051\u3069\u3001\u3044\u307e\u6b62\u3081\u3089\u308c\u306a\u3044\u3093\u3060\u3088\u300d<\/p> <p>\u3060\u304b\u3089\u3053\u305d\u3001\u6700\u521d\u306b\u3084\u308b\u3079\u304d\u306f\u201c\u5b8c\u5168\u89e3\u6c7a\u201d\u3067\u306f\u306a\u304f\u3001<strong>\u30c0\u30e1\u30fc\u30b8\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\uff08\u88ab\u5bb3\u6700\u5c0f\u5316\uff09<\/strong>\u3067\u3059\u3002\u30ed\u30b0\u3092\u5b88\u308a\u3001\u5f71\u97ff\u3092\u56fa\u5b9a\u3057\u3001\u7e2e\u9000\u3055\u305b\u3001\u518d\u767a\u3092\u9632\u3050\u89b3\u6e2c\u3092\u5165\u308c\u308b\u3002\u3053\u308c\u304c\u3067\u304d\u308b\u3068\u3001\u73fe\u5834\u306e\u6e29\u5ea6\u304c\u4e0b\u304c\u308a\u3001\u5224\u65ad\u304c\u30af\u30ea\u30a2\u306b\u306a\u308a\u307e\u3059\u3002<\/p> <hr> <h3>\u4f9d\u983c\u5224\u65ad\uff1a\u4eca\u3059\u3050\u76f8\u8ac7\u3059\u3079\u304d\u6761\u4ef6<\/h3> <ul> <li>OOM\u304c\u767a\u751f\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u304c\u7a81\u7136\u6d88\u3048\u308b\uff0f\u540c\u5c45\u30b5\u30fc\u30d3\u30b9\u307e\u3067\u5dfb\u304d\u8fbc\u307f\u59cb\u3081\u3066\u3044\u308b<\/li> <li>\u30b3\u30f3\u30c6\u30ca\u3084systemd\u306e\u4e0a\u9650\u304c\u7d61\u307f\u3001\u8a2d\u5b9a\u5dee\u5206\u306e\u8ffd\u8de1\u304c\u8907\u6570\u30c1\u30fc\u30e0\u306b\u8de8\u3063\u3066\u3044\u308b<\/li> <li>\u30d4\u30fc\u30af\u6642\u306e\u540c\u6642\u5b9f\u884c\u30fb\u30d0\u30c3\u30c1\u30fb\u5916\u90e8API\u9045\u5ef6\u304c\u7d61\u307f\u3001\u539f\u56e0\u304c\u4e00\u3064\u306b\u7d5e\u308c\u306a\u3044<\/li> <li>\u30ec\u30ac\u30b7\u30fc\u3067\u505c\u6b62\u3067\u304d\u305a\u3001\u8abf\u67fb\u306e\u305f\u3081\u306e\u8a08\u6e2c\u3084\u5909\u66f4\u81ea\u4f53\u304c\u30ea\u30b9\u30af\u306b\u306a\u3063\u3066\u3044\u308b<\/li> <li>\u5951\u7d04\u30fbSLO\u30fb\u696d\u52d9\u5f71\u97ff\u304c\u7d61\u307f\u3001\u300c\u9045\u304f\u306a\u308b\u300d\u304b\u300c\u843d\u3061\u308b\u300d\u304b\u306e\u8a31\u5bb9\u5224\u65ad\u304c\u5fc5\u8981<\/li> <\/ul> <hr> <h3>\u4e00\u822c\u8ad6\u306e\u9650\u754c\u3068\u3001\u5c02\u9580\u5bb6\u306b\u4efb\u305b\u308b\u610f\u5473<\/h3> <p>\u3053\u3053\u307e\u3067\u306e\u5185\u5bb9\u306f\u3001\u73fe\u5834\u3067\u3088\u304f\u52b9\u304f\u201c\u539f\u7406\u539f\u5247\u201d\u3067\u3059\u3002\u305f\u3060\u3001\u3042\u306a\u305f\u306e\u74b0\u5883\u306b\u306f\u5fc5\u305a\u56fa\u6709\u6761\u4ef6\u304c\u3042\u308a\u307e\u3059\u3002\u5951\u7d04\u3001\u696d\u52d9\u30d4\u30fc\u30af\u3001\u5197\u9577\u5316\u3001\u76e3\u8996\u57fa\u76e4\u3001\u30ea\u30ea\u30fc\u30b9\u624b\u9806\u3001\u8cac\u4efb\u5206\u754c\u3001\u305d\u3057\u3066\u300c\u6b62\u3081\u3089\u308c\u306a\u3044\u300d\u3068\u3044\u3046\u73fe\u5b9f\u3002\u3053\u3046\u3057\u305f\u524d\u63d0\u304c\u3042\u308b\u4ee5\u4e0a\u3001\u4e00\u822c\u8ad6\u3060\u3051\u3067\u6700\u9069\u89e3\u3092\u65ad\u8a00\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p> <p>\u3060\u304b\u3089\u6700\u7d42\u7684\u306a\u5e30\u7d50\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002ENOMEM\u3092\u201c\u6280\u8853\u8ab2\u984c\u201d\u3068\u3057\u3066\u3060\u3051\u51e6\u7406\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u73fe\u5834\u306f\u75b2\u5f0a\u3057\u307e\u3059\u3002ENOMEM\u3092<strong>\u904b\u7528\u8a2d\u8a08\u3068\u5951\u7d04\u6761\u4ef6\u306e\u554f\u984c<\/strong>\u3068\u3057\u3066\u6271\u3044\u3001\u67a0\u3068\u5b9f\u614b\u3068\u58ca\u308c\u65b9\u3092\u63c3\u3048\u3066\u521d\u3081\u3066\u3001\u5b89\u5b9a\u3057\u3066\u53ce\u675f\u3057\u307e\u3059\u3002\u305d\u306e\u6574\u7406\u3092\u77ed\u3044\u6642\u9593\u3067\u3084\u308a\u5207\u308b\u306b\u306f\u3001\u7d4c\u9a13\u3068\u624b\u9806\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p> <p>\u5177\u4f53\u7684\u306a\u6848\u4ef6\u30fb\u5951\u7d04\u30fb\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u307e\u3067\u8e0f\u307f\u8fbc\u3093\u3067\u300c\u3069\u3053\u3092\u5b88\u308a\u3001\u3069\u3053\u3092\u524a\u308b\u304b\u300d\u300c\u3069\u306e\u9806\u3067\u53ce\u675f\u3055\u305b\u308b\u304b\u300d\u3067\u60a9\u3093\u3060\u3089\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1ahttps:\/\/jouhou.main.jp\/?page_id=26983 \uff0f \u96fb\u8a71\uff1a0120-838-831\uff09\u3002<\/p> \r\n\r\n <p>\u3000<\/p> <a id=\"sec11\"><\/a> <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\u2500\u2500ENOMEM\/\u30e1\u30e2\u30ea\u554f\u984c\u3067\u898b\u843d\u3068\u3057\u3084\u3059\u3044\u6ce8\u610f\u70b9<\/h2> <p>ENOMEM\u306fOS\u5074\u306e\u5236\u9650\u304c\u4e3b\u56e0\u306b\u306a\u308b\u3053\u3068\u3082\u591a\u3044\u4e00\u65b9\u3067\u3001\u30a2\u30d7\u30ea\u5074\u306e\u30e1\u30e2\u30ea\u306e\u201c\u5897\u3048\u65b9\u201d\u3084\u201c\u4fdd\u6301\u306e\u4ed5\u65b9\u201d\u304c\u5f15\u304d\u91d1\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u73fe\u5834\u3067\u518d\u767a\u9632\u6b62\u306b\u52b9\u304d\u3084\u3059\u3044\u6ce8\u610f\u70b9\u3092\u3001\u8a00\u8a9e\u30fb\u30e9\u30f3\u30bf\u30a4\u30e0\u3054\u3068\u306b\u77ed\u304f\u6574\u7406\u3057\u307e\u3059\u3002<\/p> <h3>C \/ C++<\/h3> <ul> <li>\u30ea\u30fc\u30af\u306e\u6709\u7121\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u78ba\u4fdd\u30b5\u30a4\u30ba\u306e\u5206\u5e03<\/strong>\u3068\u89e3\u653e\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u504f\u308a\u304c\u65ad\u7247\u5316\u3092\u4f5c\u308b\u3002<\/li> <li>\u30b9\u30ec\u30c3\u30c9\u3054\u3068\u306e\u30b9\u30bf\u30c3\u30af\u4f7f\u7528\u91cf\u304c\u5927\u304d\u3044\u5b9f\u88c5\u306f\u3001\u4e26\u5217\u5ea6\u5897\u52a0\u3067\u6025\u306b\u8a70\u3080\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <li>\u30a2\u30ed\u30b1\u30fc\u30bf\u306e\u6319\u52d5\uff08\u30b9\u30ec\u30c3\u30c9\u3054\u3068\u306earena\u3001\u65ad\u7247\u5316\u3001mmap\u591a\u7528\uff09\u304c\u30e1\u30e2\u30ea\u306e\u898b\u3048\u65b9\u3092\u5909\u3048\u308b\u3002<\/li> <\/ul> <h3>Rust<\/h3> <ul> <li>\u5b89\u5168\u6027\u306f\u9ad8\u3044\u304c\u3001<strong>\u4fdd\u6301\u3057\u3066\u3044\u308b\u53c2\u7167\u304c\u9577\u3044<\/strong>\u3068\u30e1\u30e2\u30ea\u304c\u623b\u3089\u306a\u3044\uff08\u8a2d\u8a08\u6b21\u7b2c\u3067\u5e38\u99d0\u5316\u3059\u308b\uff09\u3002<\/li> <li>Vec\/HashMap\u306e\u6210\u9577\u6226\u7565\u3067\u30d4\u30fc\u30af\u304c\u8df3\u306d\u308b\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u3001\u4e0a\u9650\u30fb\u4e88\u7d04\u5bb9\u91cf\u30fb\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u5316\u304c\u52b9\u304f\u3002<\/li> <\/ul> <h3>Go<\/h3> <ul> <li>goroutine\u5897\u6b96\u3084\u30ad\u30e5\u30fc\u6ede\u7559\u3067\u3001\u60f3\u5b9a\u4ee5\u4e0a\u306b\u30e1\u30e2\u30ea\u304c\u81a8\u3089\u3080\uff08\u4e26\u5217\u5ea6\u3068\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u304c\u91cd\u8981\uff09\u3002<\/li> <li>\u53c2\u7167\u304c\u6b8b\u308b\u3068GC\u304c\u56de\u3063\u3066\u3082\u56de\u53ce\u3067\u304d\u306a\u3044\u305f\u3081\u3001<strong>\u30c7\u30fc\u30bf\u306e\u6240\u6709\u3068\u5bff\u547d<\/strong>\u3092\u8a2d\u8a08\u3067\u63c3\u3048\u308b\u3002<\/li> <li>\u30b3\u30f3\u30c6\u30ca\u4e0a\u9650\u3068\u5b9f\u30e1\u30e2\u30ea\u6319\u52d5\u306e\u565b\u307f\u5408\u308f\u305b\u3067\u3001\u30d4\u30fc\u30af\u6642\u306b\u843d\u3061\u65b9\u304c\u5909\u308f\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <\/ul> <h3>Java \/ Kotlin \/ Scala\uff08JVM\u7cfb\uff09<\/h3> <ul> <li>\u30d2\u30fc\u30d7\uff08-Xmx\uff09\u3060\u3051\u3067\u306a\u304f\u3001<strong>\u30e1\u30bf\u30b9\u30da\u30fc\u30b9\u3001\u30b9\u30ec\u30c3\u30c9\u30b9\u30bf\u30c3\u30af\u3001DirectBuffer\u7b49<\/strong>\u306e\u5408\u8a08\u3067\u67a0\u306b\u5f53\u305f\u308b\u3002<\/li> <li>\u30b3\u30f3\u30c6\u30ca\u4e0a\u9650\u306b\u5bfe\u3057\u3066JVM\u8a2d\u5b9a\u304c\u5408\u3063\u3066\u3044\u306a\u3044\u3068\u3001\u4f59\u88d5\u304c\u3042\u308b\u3088\u3046\u306b\u898b\u3048\u3066\u7a81\u7136\u843d\u3061\u308b\u3002<\/li> <li>GC\u306f\u4e07\u80fd\u3067\u306f\u306a\u304f\u3001\u30d4\u30fc\u30af\u306e\u4f5c\u308a\u65b9\uff08\u540c\u6642\u5b9f\u884c\u30fb\u4e00\u62ec\u8aad\u307f\u8fbc\u307f\uff09\u3092\u5909\u3048\u306a\u3044\u3068\u518d\u767a\u3057\u3084\u3059\u3044\u3002<\/li> <\/ul> <h3>Python<\/h3> <ul> <li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u53c2\u7167\u304c\u6b8b\u308a\u7d9a\u3051\u308b\u3068\u3001\u5b9f\u8cea\u7684\u306b\u30ea\u30fc\u30af\u3068\u540c\u3058\u75c7\u72b6\u306b\u306a\u308b\uff08\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30b0\u30ed\u30fc\u30d0\u30eb\u4fdd\u6301\u306b\u6ce8\u610f\uff09\u3002<\/li> <li>\u30d0\u30c3\u30c1\u3067\u5de8\u5927\u30c7\u30fc\u30bf\u3092\u4e00\u62ec\u3067\u6301\u3064\u8a2d\u8a08\u306f\u30d4\u30fc\u30af\u3092\u4f5c\u308a\u3084\u3059\u3044\uff08\u30c1\u30e3\u30f3\u30af\u51e6\u7406\u30fb\u9010\u6b21\u5316\u304c\u52b9\u304f\uff09\u3002<\/li> <li>\u30cd\u30a4\u30c6\u30a3\u30d6\u62e1\u5f35\u3084\u5916\u90e8\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u78ba\u4fdd\u3059\u308b\u9818\u57df\u306f\u3001\u7d14\u7c8b\u306aPython\u30b3\u30fc\u30c9\u306e\u611f\u899a\u3068\u30ba\u30ec\u308b\u3002<\/li> <\/ul> <h3>Node.js\uff08JavaScript\/TypeScript\u5b9f\u884c\u7cfb\uff09<\/h3> <ul> <li>\u30d2\u30fc\u30d7\u4e0a\u9650\u3084\u30d0\u30c3\u30d5\u30a1\u6ede\u7559\u3067\u30d4\u30fc\u30af\u304c\u51fa\u3084\u3059\u3044\uff08\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u3068\u540c\u6642\u5b9f\u884c\u5236\u5fa1\u304c\u91cd\u8981\uff09\u3002<\/li> <li>Promise\u306e\u672a\u56de\u53ce\u3001\u30a4\u30d9\u30f3\u30c8\u30eb\u30fc\u30d7\u306b\u6e9c\u307e\u308b\u53c2\u7167\u304c\u201c\u623b\u3089\u306a\u3044\u30e1\u30e2\u30ea\u201d\u3092\u4f5c\u308b\u3053\u3068\u304c\u3042\u308b\u3002<\/li> <\/ul> <h3>PHP<\/h3> <ul> <li>\u30d7\u30ed\u30bb\u30b9\u30e2\u30c7\u30eb\uff08FPM\u7b49\uff09\u3068\u30ef\u30fc\u30ab\u6570\u304c\u30e1\u30e2\u30ea\u7dcf\u91cf\u3092\u6c7a\u3081\u308b\u305f\u3081\u3001<strong>\u540c\u6642\u5b9f\u884c\u00d7\u30ef\u30fc\u30ab\u5e38\u99d0<\/strong>\u3067\u67a0\u306b\u5f53\u305f\u308a\u3084\u3059\u3044\u3002<\/li> <li>\u30ea\u30af\u30a8\u30b9\u30c8\u5358\u4f4d\u306e\u30e1\u30e2\u30ea\u4e0a\u9650\u8a2d\u5b9a\u304c\u3042\u308b\u74b0\u5883\u3067\u306f\u3001\u5165\u529b\u30b5\u30a4\u30ba\u3084\u51e6\u7406\u624b\u9806\u3067\u6025\u306b\u5931\u6557\u3059\u308b\u3002<\/li> <\/ul> <h3>.NET\uff08C# \u306a\u3069\uff09<\/h3> <ul> <li>\u30de\u30cd\u30fc\u30b8\u9818\u57df\u4ee5\u5916\uff08\u30cd\u30a4\u30c6\u30a3\u30d6\u3001\u30d4\u30f3\u7559\u3081\u3001\u30b9\u30ec\u30c3\u30c9\u3001\u30d0\u30c3\u30d5\u30a1\uff09\u306e\u5f71\u97ff\u3067\u3001\u60f3\u5b9a\u3088\u308a\u65e9\u304f\u67a0\u306b\u5f53\u305f\u308b\u3002<\/li> <li>\u5927\u304d\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u30d4\u30fc\u30af\u3092\u4f5c\u308b\u305f\u3081\u3001\u4e0a\u9650\u3068\u8ffd\u3044\u51fa\u3057\u8a2d\u8a08\u304c\u52b9\u304f\u3002<\/li> <\/ul> <hr> <p>\u8a00\u8a9e\u3054\u3068\u306e\u6ce8\u610f\u70b9\u306f\u3042\u304f\u307e\u3067\u5165\u53e3\u3067\u3001\u6700\u7d42\u7684\u306b\u306f\u300c\u3042\u306a\u305f\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u3069\u306e\u30d4\u30fc\u30af\u3092\u8a31\u5bb9\u3057\u3001\u3069\u3053\u3067\u6e1b\u901f\u3057\u3001\u3069\u3053\u3092\u5b88\u308b\u306e\u304b\u300d\u3068\u3044\u3046\u8a2d\u8a08\u306b\u5e30\u7740\u3057\u307e\u3059\u3002\u4e00\u822c\u8ad6\u306e\u7bc4\u56f2\u3092\u8d85\u3048\u3066\u3001\u5177\u4f53\u7684\u306a\u69cb\u6210\u30fb\u5951\u7d04\u30fb\u904b\u7528\u306e\u73fe\u5b9f\u307e\u3067\u8e0f\u307e\u3048\u305f\u5224\u65ad\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u3089\u3001<strong>\u682a\u5f0f\u4f1a\u793e\u60c5\u5831\u5de5\u5b66\u7814\u7a76\u6240<\/strong>\u3078\u306e\u76f8\u8ac7\u30fb\u4f9d\u983c\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\uff1ahttps:\/\/jouhou.main.jp\/?page_id=26983 \uff0f \u96fb\u8a71\uff1a0120-838-831\uff09\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-555366c0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"555366c0\" 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-2ac3dfd8\" data-id=\"2ac3dfd8\" 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-6fbb86e3 elementor-widget elementor-widget-text-editor\" data-id=\"6fbb86e3\" 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>     Ubuntu\u30b7\u30b9\u30c6\u30e0\u3067\u300cENOMEM (12)\u300d\u30a8\u30e9\u30fc\u304c\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u5834\u5408\u3001\u305d\u306e\u539f\u56e0\u3068\u5bfe\u7b56\u306b\u3064\u3044\u3066\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u904b\u7528\u306b\u3068\u3063\u3066\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u3084\u30d7\u30ed\u30bb\u30b9\u304c\u5fc5\u8981\u3068\u3059\u308b\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3067\u304d\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u793a\u3057\u3001\u7d50\u679c\u3068\u3057\u3066\u30b7\u30b9\u30c6\u30e0\u306e\u52d5\u4f5c\u306b\u652f\u969c\u3092\u304d\u305f\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u3001\u30b5\u30fc\u30d0\u30fc\u3084\u696d\u52d9\u7528\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u306f\u3001\u65e9\u671f\u306b\u539f\u56e0\u3092\u7279\u5b9a\u3057\u9069\u5207\u306a\u5bfe\u5fdc\u3092\u884c\u3046\u3053\u3068\u304c\u3001\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u306e\u6700\u5c0f\u5316\u3084\u30c7\u30fc\u30bf\u306e\u5b89\u5168\u6027\u78ba\u4fdd\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u30e1\u30e2\u30ea\u4e0d\u8db3\u306e\u6839\u672c\u7684\u306a\u539f\u56e0\u3092\u89e3\u8aac\u3057\u3001\u5177\u4f53\u7684\u306a\u4e8b\u4f8b\u3084\u6539\u5584\u7b56\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u8005\u3084IT\u90e8\u9580\u306e\u62c5\u5f53\u8005\u304c\u5b89\u5fc3\u3057\u3066\u5bfe\u51e6\u3067\u304d\u308b\u77e5\u8b58\u3092\u8eab\u306b\u3064\u3051\u308b\u305f\u3081\u306e\u4e00\u52a9\u3068\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p><br><br><p>\u300cENOMEM (12)\u300d\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30e1\u30e2\u30ea\u8cc7\u6e90\u306e\u4e0d\u8db3\u306b\u8d77\u56e0\u3057\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u7269\u7406\u30e1\u30e2\u30ea\uff08RAM\uff09\u304c\u4e0d\u8db3\u3057\u305f\u5834\u5408\u3084\u3001\u4eee\u60f3\u30e1\u30e2\u30ea\u306e\u8a2d\u5b9a\u304c\u9069\u5207\u3067\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u7269\u7406\u30e1\u30e2\u30ea\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u540c\u6642\u306b\u51e6\u7406\u3067\u304d\u308b\u30c7\u30fc\u30bf\u3084\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5bb9\u91cf\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u304c\u3001\u3053\u308c\u304c\u9650\u754c\u3092\u8d85\u3048\u308b\u3068\u3001\u65b0\u305f\u306a\u30e1\u30e2\u30ea\u8981\u6c42\u306b\u5fdc\u3058\u3089\u308c\u305a\u30a8\u30e9\u30fc\u3068\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u4eee\u60f3\u30e1\u30e2\u30ea\u306f\u3001\u7269\u7406\u30e1\u30e2\u30ea\u304c\u4e0d\u8db3\u3057\u305f\u969b\u306b\u30c7\u30a3\u30b9\u30af\u4e0a\u306b\u78ba\u4fdd\u3055\u308c\u308b\u4e00\u6642\u7684\u306a\u30e1\u30e2\u30ea\u9818\u57df\u3067\u3042\u308a\u3001\u305d\u306e\u8a2d\u5b9a\u3084\u5bb9\u91cf\u4e0d\u8db3\u3082\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002 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   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