{"id":15847,"date":"2025-12-06T18:22:12","date_gmt":"2025-12-06T17:22:12","guid":{"rendered":"https:\/\/webhosting.de\/http-keep-alive-tuning-serverlast-performance-optimierung-flow\/"},"modified":"2025-12-06T18:22:12","modified_gmt":"2025-12-06T17:22:12","slug":"http-%e3%82%ad%e3%83%bc%e3%83%97%e3%82%a2%e3%83%a9%e3%82%a4%e3%83%96%e8%aa%bf%e6%95%b4-%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e8%b2%a0%e8%8d%b7-%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/http-keep-alive-tuning-serverlast-performance-optimierung-flow\/","title":{"rendered":"HTTP Keep-Alive \u306e\u8abf\u6574\uff1a\u63a5\u7d9a\u7ba1\u7406\u3068\u30b5\u30fc\u30d0\u30fc\u8ca0\u8377"},"content":{"rendered":"<p>HTTP Keep-Alive \u306f\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u6e1b\u3089\u3057\u3001\u63a5\u7d9a\u3092\u958b\u3044\u305f\u307e\u307e\u306b\u3057\u3066\u3001\u8907\u6570\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u540c\u3058\u30bd\u30b1\u30c3\u30c8\u3067\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3001 <strong>\u30b5\u30fc\u30d0\u30fc\u8ca0\u8377<\/strong> \u6e1b\u5c11\u3057\u307e\u3059\u3002\u30bf\u30fc\u30b2\u30c3\u30c8\u3092\u7d5e\u3063\u305f\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306b\u3088\u308a\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u5236\u9650\u3001\u30ef\u30fc\u30ab\u30fc\u3092\u5236\u5fa1\u3057\u3001 <strong>\u9045\u5ef6\u6642\u9593<\/strong> \u30b3\u30fc\u30c9\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n\n<ul>\n  <li><strong>\u63a5\u7d9a\u306e\u518d\u5229\u7528<\/strong> CPU\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3068\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002.<\/li>\n  <li>\u30b7\u30e7\u30fc\u30c8 <strong>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<\/strong> \u30a2\u30a4\u30c9\u30eb\u63a5\u7d9a\u3092\u9632\u6b62\u3057\u307e\u3059\u3002.<\/li>\n  <li>\u30af\u30ea\u30fc\u30f3 <strong>\u9650\u754c<\/strong> keepalive_requests \u306e\u8ca0\u8377\u3092\u5b89\u5b9a\u3055\u305b\u308b\u3002.<\/li>\n  <li><strong>HTTP\/2<\/strong> \u305d\u3057\u3066HTTP\/3\u306f\u3055\u3089\u306b\u5f37\u529b\u306b\u7d71\u5408\u3055\u308c\u307e\u3059\u3002.<\/li>\n  <li>\u73fe\u5b9f\u7684\u306a <strong>\u8ca0\u8377\u30c6\u30b9\u30c8<\/strong> \u8a2d\u5b9a\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n<h2>HTTP Keep-Alive \u306e\u4ed5\u7d44\u307f<\/h2>\n\n<p>\u5404\u30ea\u30bd\u30fc\u30b9\u3054\u3068\u306b\u65b0\u3057\u3044 TCP \u63a5\u7d9a\u3092\u958b\u304f\u4ee3\u308f\u308a\u306b\u3001\u65e2\u5b58\u306e\u63a5\u7d9a\u3092\u518d\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001 <strong>\u63e1\u624b<\/strong> \u304a\u3088\u3073\u30e9\u30a6\u30f3\u30c9\u30c8\u30ea\u30c3\u30d7\u3002\u3053\u308c\u306b\u3088\u308a\u3001TCP \u304a\u3088\u3073 TLS \u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3092\u5e38\u6642\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u304c\u8fc5\u901f\u306b\u5fdc\u7b54\u3059\u308b\u305f\u3081\u3001\u5f85\u3061\u6642\u9593\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u30d8\u30c3\u30c0\u30fc\u306b\u3088\u3063\u3066\u63a5\u7d9a\u304c\u7dad\u6301\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u8a8d\u8b58\u3057\u3001\u540c\u3058\u63a5\u7d9a\u3092\u4ecb\u3057\u3066\u3001\u9023\u7d9a\u3057\u3066\u3001\u307e\u305f\u306f\u30de\u30eb\u30c1\u30d7\u30ec\u30ad\u30b7\u30f3\u30b0\uff08HTTP\/2\/3 \u306e\u5834\u5408\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u3055\u3089\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002 <strong>\u30bd\u30b1\u30c3\u30c8<\/strong>. \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306b\u3088\u3063\u3066\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u3092\u7ba1\u7406\u3057\u3001\u9577\u671f\u9593\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u306a\u3044\u5834\u5408\u306f\u63a5\u7d9a\u3092\u5207\u65ad\u3057\u307e\u3059\u3002\u3053\u306e\u52d5\u4f5c\u306b\u3088\u308a\u3001\u30a2\u30bb\u30c3\u30c8\u306e\u591a\u3044\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u3001\u63a5\u7d9a\u78ba\u7acb\u56de\u6570\u304c\u6e1b\u5c11\u3059\u308b\u305f\u3081\u3001CPU \u306e\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/http-keepalive-server-9347.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u63a5\u7d9a\u306e\u518d\u5229\u7528\uff1a\u30b5\u30fc\u30d0\u30fc\u306e\u8ca0\u8377\u3078\u306e\u5f71\u97ff<\/h2>\n\n<p>\u56de\u907f\u3055\u308c\u305f\u518d\u63a5\u7d9a\u306f\u3001\u305d\u308c\u305e\u308c <strong>CPU\u6642\u9593<\/strong> \u30ab\u30fc\u30cd\u30eb\u304a\u3088\u3073 TLS \u4f5c\u696d\u306e\u305f\u3081\u306b\u3001\u3053\u308c\u306f\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3067\u306f\u3088\u308a\u6ed1\u3089\u304b\u306a\u8ca0\u8377\u66f2\u7dda\u3068\u3057\u3066\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306b\u3088\u308b\u3068\u3001\u591a\u304f\u306e\u5c0f\u3055\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u3001\u65e2\u5b58\u306e\u30bd\u30b1\u30c3\u30c8\u3092\u518d\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u6700\u5927 50% \u5411\u4e0a\u3067\u304d\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u307e\u3059\u3002 \u591a\u304f\u306e GET \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u542b\u3080\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u3067\u306f\u3001\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3084\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u5207\u308a\u66ff\u3048\u304c\u5c11\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u5408\u8a08\u6642\u9593\u304c 3 \u5206\u306e 1 \u306b\u77ed\u7e2e\u3055\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001SYN\/ACK \u30d1\u30b1\u30c3\u30c8\u306e\u767a\u751f\u983b\u5ea6\u304c\u6e1b\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u5b9f\u969b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b8\u30c3\u30af\u306b\u3088\u308a\u591a\u304f\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u5272\u3051\u308b\u3088\u3046\u306b\u306a\u308b\u305f\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8ca0\u8377\u3082\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u76f8\u4e57\u52b9\u679c\u306b\u3088\u308a\u3001\u5fdc\u7b54\u304c\u9ad8\u901f\u5316\u3055\u308c\u3001\u3088\u308a\u5b89\u5b9a\u3057\u305f <strong>\u5fdc\u7b54\u6642\u9593<\/strong> \u8ca0\u8377\u304c\u304b\u304b\u3063\u3066\u3044\u308b<\/p>\n\n<h2>\u30ea\u30b9\u30af\uff1a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u9577\u3059\u304e\u308b\u3001\u63a5\u7d9a\u304c\u958b\u3044\u305f\u307e\u307e\u306b\u306a\u308b<\/h2>\n\n<p>\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u9577\u3059\u304e\u308b\u3068\u3001\u63a5\u7d9a\u304c\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306b\u306a\u308a\u3001\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002 <strong>\u52b4\u50cd\u8005<\/strong> \u307e\u305f\u306f\u30b9\u30ec\u30c3\u30c9\u304c\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u306a\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u591a\u3044\u5834\u5408\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30b1\u30c3\u30c8\u306f\u5897\u52a0\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u306e\u5236\u9650\u306b\u9054\u3057\u3066\u3001\u30e1\u30e2\u30ea\u6d88\u8cbb\u91cf\u3092\u5897\u52a0\u3055\u305b\u307e\u3059\u3002 \u3055\u3089\u306b\u3001\u4e0d\u9069\u5207\u306a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306f\u300c\u30c7\u30c3\u30c9\u300d\u63a5\u7d9a\u3092\u767a\u751f\u3055\u305b\u3001\u3059\u3067\u306b\u9589\u3058\u3089\u308c\u305f\u30bd\u30b1\u30c3\u30c8\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u3066\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u751f\u6210\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b0\u30ec\u30b9\u304a\u3088\u3073 NAT \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u3088\u308a\u3082\u65e9\u304f\u30a2\u30a4\u30c9\u30eb\u56de\u7dda\u3092\u9589\u3058\u308b\u5834\u5408\u304c\u3042\u308a\u3001\u305d\u308c\u304c\u6563\u767a\u7684\u306a\u30ea\u30bb\u30c3\u30c8\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u30a2\u30a4\u30c9\u30eb\u6642\u9593\u3092\u610f\u56f3\u7684\u306b\u5236\u9650\u3057\u3001\u660e\u78ba\u306a\u5236\u9650\u3092\u8a2d\u5b9a\u3057\u3001 <strong>\u53cd\u5bfe\u5074<\/strong> \uff08\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3001\u30d7\u30ed\u30ad\u30b7\uff09\u3092\u76e3\u8996\u3057\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/keepalive_tuning_meeting_8421.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>HTTP Keep-Alive \u5bfe TCP Keepalive<\/h2>\n\n<p>\u79c1\u306f\u3001HTTP Keep-Alive\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb\u3067\u306e\u6301\u7d9a\u7684\u306a\u63a5\u7d9a\uff09\u3068 TCP \u30e1\u30ab\u30cb\u30ba\u30e0\u300ckeepalive\u300d\u3092\u53b3\u5bc6\u306b\u533a\u5225\u3057\u3066\u3044\u307e\u3059\u3002HTTP Keep-Alive \u306f\u3001\u540c\u3058\u30bd\u30b1\u30c3\u30c8\u3092\u4ecb\u3057\u3066\u3055\u3089\u306b HTTP \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5b9f\u884c\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001TCP Keepalive \u306f\u3001\u5927\u304d\u306a\u9593\u9694\u3067\u30d7\u30ed\u30fc\u30d6\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3057\u3066\u3001\u300c\u30c7\u30c3\u30c9\u300d\u306a\u76f8\u624b\u5074\u3092\u691c\u51fa\u3057\u307e\u3059\u3002 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3067\u306f\u3001\u4e3b\u306b HTTP Keep-Alive \u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002TCP Keepalive \u306f\u3001\u9577\u3044\u30a2\u30a4\u30c9\u30eb\u6642\u9593\uff08\u30a8\u30c3\u30b8\u63a5\u7d9a\u3084\u3001\u5f37\u529b\u306a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u5099\u3048\u305f\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u3069\uff09\u306b\u7684\u3092\u7d5e\u3063\u3066\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u4e0d\u5fc5\u8981\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8ca0\u8377\u304c\u767a\u751f\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u9593\u9694\u306f\u63a7\u3048\u3081\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>\u7279\u6b8a\u306a\u30b1\u30fc\u30b9\uff1a\u30ed\u30f3\u30b0\u30dd\u30fc\u30ea\u30f3\u30b0\u3001SSE\u3001WebSockets<\/h2>\n\n<p>\u9577\u5bff\u547d\u30b9\u30c8\u30ea\u30fc\u30e0\uff08\u30b5\u30fc\u30d0\u30fc\u9001\u4fe1\u30a4\u30d9\u30f3\u30c8\uff09\u3001\u30ed\u30f3\u30b0\u30dd\u30fc\u30ea\u30f3\u30b0\u3001\u307e\u305f\u306f WebSocket \u306f\u3001\u77ed\u3044\u30a2\u30a4\u30c9\u30eb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3068\u885d\u7a81\u3057\u307e\u3059\u3002\u79c1\u306f\u3053\u308c\u3089\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u6a19\u6e96 API \u307e\u305f\u306f\u30a2\u30bb\u30c3\u30c8\u30eb\u30fc\u30c8\u304b\u3089\u5207\u308a\u96e2\u3057\u3001\u3088\u308a\u9577\u3044\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3068\u5c02\u7528\u306e\u30ef\u30fc\u30ab\u30fc\u30d7\u30fc\u30eb\u3092\u5272\u308a\u5f53\u3066\u3001IP \u3042\u305f\u308a\u306e\u540c\u6642\u30b9\u30c8\u30ea\u30fc\u30e0\u6570\u3092\u5236\u9650\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u9577\u5bff\u547d\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u5f93\u6765\u306e\u77ed\u3044\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002 SSE \u304a\u3088\u3073 WebSocket \u306b\u3064\u3044\u3066\u306f\u3001\u3059\u3079\u3066\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u5ef6\u9577\u3059\u308b\u3088\u308a\u3082\u3001\u660e\u78ba\u306a\u5236\u9650\u3001\u8aad\u307f\u53d6\u308a\/\u66f8\u304d\u8fbc\u307f\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u304a\u3088\u3073\u660e\u78ba\u306a\u30cf\u30fc\u30c8\u30d3\u30fc\u30c8\u307e\u305f\u306f\u30d4\u30f3\u30dd\u30f3\u9593\u9694\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>Web\u30b5\u30fc\u30d0\u30fc\u306e\u4e3b\u8981\u306a\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u30d1\u30e9\u30e1\u30fc\u30bf<\/h2>\n\n<p>\u79c1\u306f\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u3092\u6709\u52b9\u306b\u3057\u3001\u77ed\u3044\u30a2\u30a4\u30c9\u30eb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8a2d\u5b9a\u3057\u3001\u63a5\u7d9a\u3054\u3068\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u5236\u9650\u3057\u3066\u30ea\u30bd\u30fc\u30b9\u3092\u7bc0\u7d04\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u30ea\u30b5\u30a4\u30af\u30eb\u3059\u308b<\/strong>. \u3055\u3089\u306b\u3001\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306e\u63a5\u7d9a\u304c\u30d7\u30ed\u30bb\u30b9\u3092\u904e\u5ea6\u306b\u5360\u6709\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u30ef\u30fc\u30ab\u30fc\/\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u3092\u8abf\u6574\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u8868\u306f\u3001\u79c1\u304c\u5b9f\u969b\u306b\u983b\u7e41\u306b\u4f7f\u7528\u3059\u308b\u5178\u578b\u7684\u306a\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3001\u76ee\u7684\u3001\u304a\u3088\u3073\u521d\u671f\u5024\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u5024\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30ec\u30a4\u30c6\u30f3\u30b7\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u6700\u521d\u306e\u30c6\u30b9\u30c8\u306b\u306f\u5341\u5206\u306a\u57fa\u790e\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u5236\u9650\u3001\u304a\u3088\u3073 <strong>\u30b9\u30ec\u30c3\u30c9<\/strong> \u5b9f\u969b\u306e\u6e2c\u5b9a\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u3044\u3066\u3002.<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u30b5\u30fc\u30d0\u30fc\/\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/th>\n      <th>\u6307\u4ee4<\/th>\n      <th>\u76ee\u7684<\/th>\n      <th>\u958b\u59cb\u5024<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>\u30a2\u30d1\u30c3\u30c1<\/td>\n      <td>\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6<\/td>\n      <td>\u6301\u7d9a\u7684\u306a\u63a5\u7d9a\u3092\u6709\u52b9\u306b\u3059\u308b<\/td>\n      <td>\u30aa\u30f3<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30a2\u30d1\u30c3\u30c1<\/td>\n      <td>KeepAliveTimeout<\/td>\n      <td>\u63a5\u7d9a\u7d42\u4e86\u307e\u3067\u306e\u30a2\u30a4\u30c9\u30eb\u6642\u9593<\/td>\n      <td>5\uff5e15\u79d2<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30a2\u30d1\u30c3\u30c1<\/td>\n      <td>MaxKeepAliveRequests<\/td>\n      <td>\u63a5\u7d9a\u3042\u305f\u308a\u306e\u6700\u5927\u30ea\u30af\u30a8\u30b9\u30c8\u6570<\/td>\n      <td>100\uff5e500<\/td>\n    <\/tr>\n    <tr>\n      <td>Nginx<\/td>\n      <td>keepalive_timeout<\/td>\n      <td>\u63a5\u7d9a\u7d42\u4e86\u307e\u3067\u306e\u30a2\u30a4\u30c9\u30eb\u6642\u9593<\/td>\n      <td>5\uff5e15\u79d2<\/td>\n    <\/tr>\n    <tr>\n      <td>Nginx<\/td>\n      <td>keepalive_requests<\/td>\n      <td>\u63a5\u7d9a\u3042\u305f\u308a\u306e\u6700\u5927\u30ea\u30af\u30a8\u30b9\u30c8\u6570<\/td>\n      <td>100<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30cf\u30d7\u30ed\u30ad\u30b7\u30fc<\/td>\n      <td>\u30aa\u30d7\u30b7\u30e7\u30f3 http-keep-alive<\/td>\n      <td>\u6301\u7d9a\u7684\u306a\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b<\/td>\n      <td>\u30a2\u30af\u30c6\u30a3\u30d6<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30ab\u30fc\u30cd\u30eb\/OS<\/td>\n      <td>somaxconn\u3001tcp_max_syn_backlog<\/td>\n      <td>\u63a5\u7d9a\u306e\u5f85\u3061\u884c\u5217<\/td>\n      <td>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u5408\u308f\u305b\u3066\u8abf\u6574<\/td>\n    <\/tr>\n    <tr>\n      <td>\u30ab\u30fc\u30cd\u30eb\/OS<\/td>\n      <td>FD\u5236\u9650 (ulimit -n)<\/td>\n      <td>\u958b\u3044\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\/\u30bd\u30b1\u30c3\u30c8<\/td>\n      <td>&gt;= 100k\uff08\u9ad8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5834\u5408\uff09<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<h2>Apache: \u30b9\u30bf\u30fc\u30c8\u5024\u3001MPM\u3001\u30ef\u30fc\u30ab\u30fc\u5236\u5fa1<\/h2>\n\n<p>\u9ad8\u5ea6\u306b\u4e26\u5217\u5316\u3055\u308c\u305f\u30b5\u30a4\u30c8\u306e\u5834\u5408\u3001Apache \u3067\u306f MPM \u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u30a4\u30d9\u30f3\u30c8<\/strong>, \u3053\u308c\u306f\u3001\u53e4\u3044 prefork \u3088\u308a\u3082\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306e\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u63a5\u7d9a\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u305f\u3081\u3067\u3059\u3002\u5b9f\u969b\u306b\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30ea\u30bd\u30fc\u30b9\u3092\u30d0\u30f3\u30c9\u30eb\u3067\u304d\u3001\u30ef\u30fc\u30ab\u30fc\u3092\u9577\u6642\u9593\u30d6\u30ed\u30c3\u30af\u3057\u306a\u3044\u3088\u3046\u306b\u3001KeepAliveTimeout \u3092 5\uff5e15 \u79d2\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002 MaxKeepAliveRequests \u3092 100\uff5e500 \u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u9069\u5ea6\u306a\u30ea\u30b5\u30a4\u30af\u30eb\u3092\u5f37\u5236\u3057\u3001\u30ea\u30fc\u30af\u3092\u9632\u6b62\u3057\u3001\u8ca0\u8377\u306e\u30d4\u30fc\u30af\u3092\u5e73\u6e96\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306f 120\uff5e150 \u79d2\u306b\u77ed\u7e2e\u3057\u3001\u30b9\u30bf\u30c3\u30af\u3057\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30d7\u30ed\u30bb\u30b9\u3092\u62d8\u675f\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u30b9\u30ec\u30c3\u30c9\u3068\u30d7\u30ed\u30bb\u30b9\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u91cd\u8981\u306a\u60c5\u5831\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%b9%e3%83%ac%e3%83%83%e3%83%89%e3%83%97%e3%83%bc%e3%83%ab%e3%80%81%e3%82%a6%e3%82%a7%e3%83%96%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%80%81apache%e3%80%81nginx%e3%80%81litespeed%e3%80%81%e6%9c%80\/\">\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb\u8a2d\u5b9a<\/a> \u3055\u307e\u3056\u307e\u306a\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u7528\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/http-keepalive-serverlast-3028.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>Nginx \u3068 HAProxy\uff1a\u5b9f\u7528\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3068\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n<p>\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3067\u306f\u30012\u3064\u306e\u30a8\u30e9\u30fc\u304c\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u30021\u3064\u306f\u3001\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u7406\u7531\u300d\u304b\u3089\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u304c\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\uff08\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u306e\u8ca0\u8377\u304c\u5927\u5e45\u306b\u5897\u52a0\u3059\u308b\uff09\u3001\u3082\u30461\u3064\u306f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5c11\u306a\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u30a2\u30a4\u30c9\u30eb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u9577\u304f\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\uff08\u30ea\u30bd\u30fc\u30b9\u3092\u6d88\u8cbb\u3059\u308b\uff09\u3053\u3068\u3067\u3059\u3002 \u79c1\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u63a5\u7d9a\u3092\u5207\u65ad\u3057\u305f\u5834\u5408\u3067\u3082\u30d7\u30ed\u30ad\u30b7\u304c\u63a5\u7d9a\u3092\u7dad\u6301\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3088\u308a\u3082\u77ed\u304f\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u9806\u5e8f\u3068\u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306f\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d3\u30b9\u30af\u30e9\u30b9\uff08\u9759\u7684\u30a2\u30bb\u30c3\u30c8\u5bfe API\uff09\u3054\u3068\u306b\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u30d7\u30fc\u30eb\u3092\u5206\u96e2\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u6b63\u3057\u3044 <strong>\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u9577\u3055<\/strong>\/<strong>\u8ee2\u9001\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0<\/strong>-\u51e6\u7406\uff1a\u9577\u3055\u306e\u6307\u5b9a\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u3001\u63a5\u7d9a\u306e\u518d\u5229\u7528\u304c\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u300cconnection: close\u300d\u304c\u767a\u751f\u3057\u3001\u4e0d\u8981\u306a\u518d\u63a5\u7d9a\u304c\u7e70\u308a\u8fd4\u3055\u308c\u308b\u7d50\u679c\u306b\u306a\u308b\u3002.<\/p>\n\n<h2>Nginx \u3068 HAProxy\uff1a\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u30d7\u30fc\u30eb\u3092\u6b63\u3057\u304f\u4f7f\u7528\u3059\u308b\u65b9\u6cd5<\/h2>\n\n<p>Nginx \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3078\u306e\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u63a5\u7d9a\u3092\u958b\u3044\u305f\u307e\u307e\u306b\u3057\u3001 <strong>keepalive<\/strong> \u30d7\u30fc\u30eb\u30b5\u30a4\u30ba\u3092\u8abf\u6574\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u30fc\u3078\u306e TLS \u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u304c\u524a\u6e1b\u3055\u308c\u3001CPU \u8ca0\u8377\u304c\u5927\u5e45\u306b\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002\u30ed\u30b0\u3067\u3001\u958b\u3044\u3066\u3044\u308b\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u30bd\u30b1\u30c3\u30c8\u306e\u6570\u3001\u518d\u5229\u7528\u7387\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u306e\u5206\u5e03\u3092\u76e3\u8996\u3057\u3001\u30d7\u30fc\u30eb\u30b5\u30a4\u30ba\u3092\u76ee\u7684\u3092\u6301\u3063\u3066\u5897\u6e1b\u3057\u3066\u3044\u307e\u3059\u3002 \u30ab\u30fc\u30cd\u30eb\u5074\u3067\u306f\u3001FD \u5236\u9650\u3092\u5897\u3084\u3057\u3001somaxconn \u304a\u3088\u3073 tcp_max_syn_backlog \u3092\u8abf\u6574\u3057\u3066\u3001\u30ad\u30e5\u30fc\u304c\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d7\u30ed\u30ad\u30b7\u306f\u9ad8\u3044\u4e26\u5217\u6027\u3067\u3082\u5fdc\u7b54\u6027\u3092\u7dad\u6301\u3057\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u5747\u7b49\u306b\u5206\u6563\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <strong>\u30d0\u30c3\u30af\u30a8\u30f3\u30c9<\/strong>.<\/p>\n\n<h2>\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u3092\u524a\u6e1b\u3059\u308b TLS \u304a\u3088\u3073 QUIC \u306e\u6700\u9069\u5316<\/h2>\n\n<p>Keep-Alive \u306e\u52b9\u679c\u3092\u6700\u5927\u9650\u306b\u767a\u63ee\u3055\u305b\u308b\u305f\u3081\u3001TLS \u30ec\u30a4\u30e4\u30fc\u3092\u6700\u9069\u5316\u3057\u3066\u3044\u307e\u3059\u3002TLS 1.3 \u3068\u518d\u958b (\u30bb\u30c3\u30b7\u30e7\u30f3\u30c1\u30b1\u30c3\u30c8) \u306b\u3088\u308a\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c\u77ed\u7e2e\u3055\u308c\u3001OCSP \u30b9\u30bf\u30c3\u30d4\u30f3\u30b0\u306b\u3088\u308a\u8a3c\u660e\u66f8\u30c1\u30a7\u30c3\u30af\u304c\u77ed\u7e2e\u3055\u308c\u3001\u30b9\u30ea\u30e0\u306a\u8a3c\u660e\u66f8\u30c1\u30a7\u30fc\u30f3\u306b\u3088\u308a\u30d0\u30a4\u30c8\u6570\u3068 CPU \u304c\u524a\u6e1b\u3055\u308c\u307e\u3059\u3002 0\u2011RTT \u306f\u3001\u30ea\u30d7\u30ec\u30a4\u306e\u30ea\u30b9\u30af\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u3001\u53cd\u5fa9\u53ef\u80fd\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u306e\u307f\u614e\u91cd\u306b\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002HTTP\/3 (QUIC) \u3067\u306f\u3001\u3053\u308c\u306f <em>idle_timeout<\/em> \u6c7a\u5b9a\u7684\u306a\u8981\u7d20\uff1a\u9ad8\u3059\u304e\u308b\u3068\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308a\u3001\u4f4e\u3059\u304e\u308b\u3068\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u4e2d\u65ad\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u3064\u3044\u3066\u3082\u30c6\u30b9\u30c8\u3057\u3066\u3044\u307e\u3059\u3002 <em>\u521d\u671f\u8f3b\u8f33\u30a6\u30a3\u30f3\u30c9\u30a6<\/em> \u7279\u306b\u9577\u8ddd\u96e2\u3067\u306f\u3001\u4f4e\u6e29\u63a5\u7d9a\u306b\u304a\u3051\u308b\u5897\u5e45\u9650\u754c\u304c\u5f71\u97ff\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>HTTP\/2\u3001HTTP\/3\u3001\u304a\u3088\u3073\u30de\u30eb\u30c1\u30d7\u30ec\u30af\u30b7\u30f3\u30b0\u3092\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b<\/h2>\n\n<p>HTTP\/2 \u304a\u3088\u3073 HTTP\/3 \u306f\u30011 \u3064\u306e\u63a5\u7d9a\u3067\u591a\u304f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u307e\u3068\u3081\u3001\u4ee5\u4e0b\u3092\u6392\u9664\u3057\u307e\u3059\u3002 <strong>\u30d8\u30c3\u30c9\u30fb\u30aa\u30d6\u30fb\u30e9\u30a4\u30f3<\/strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30d9\u30eb\u3067\u306e\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u63a5\u7d9a\u6570\u304c\u6e1b\u5c11\u3059\u308b\u305f\u3081\u3001\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u306e\u52b9\u679c\u304c\u3055\u3089\u306b\u9ad8\u307e\u308a\u307e\u3059\u3002\u79c1\u306e\u8a2d\u5b9a\u3067\u306f\u3001\u91cd\u8981\u306a\u8cc7\u7523\u304c\u6700\u521d\u306b\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u3001\u512a\u5148\u9806\u4f4d\u3068\u30d5\u30ed\u30fc\u5236\u5fa1\u3092\u69cb\u6210\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u8907\u6570\u306e\u30db\u30b9\u30c8\u540d\u304c\u540c\u3058\u8a3c\u660e\u66f8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306a\u3069\u3001\u63a5\u7d9a\u306e\u7d71\u5408\u304c\u6709\u52b9\u306b\u6a5f\u80fd\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/webhosting.de\/ja\/http3-%e5%af%be-http2-webhosting-%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3%e3%82%b9%e3%83%81%e3%82%a7%e3%83%83%e3%82%af-topserver\/\">HTTP\/3\u3068HTTP\/2\u306e\u6bd4\u8f03<\/a> \u30b0\u30ed\u30fc\u30d0\u30eb\u30e6\u30fc\u30b6\u30fc\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306b\u9069\u3057\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u9078\u629e\u3092\u652f\u63f4\u3057\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/http-keepalive-office-9347.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30a2\u30d7\u30ea\u30b9\u30bf\u30c3\u30af\uff1a\u30d7\u30fc\u30eb\u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308b<\/h2>\n\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30a2\u30d7\u30ea\u5074\u3082\u518d\u5229\u7528\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002Node.js \u3067\u306f\u3001HTTP\/HTTPS \u306b\u5bfe\u3057\u3066 <em>keepAlive<\/em>-\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306f\u3001\u30db\u30b9\u30c8\u3054\u3068\u306b\u30bd\u30b1\u30c3\u30c8\u6570\u304c\u5236\u9650\u3055\u308c\u3066\u3044\u307e\u3059\u3002Java \u3067\u306f\u3001HttpClient\/OkHttp \u3067\u9069\u5207\u306a\u30d7\u30fc\u30eb\u30b5\u30a4\u30ba\u3068\u30a2\u30a4\u30c9\u30eb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002Go \u3067\u306f\u3001 <em>MaxIdleConns<\/em> \u305d\u3057\u3066 <em>MaxIdleConnsPerHost<\/em> gRPC\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u9577\u6642\u9593\u306e\u63a5\u7d9a\u306e\u6069\u6075\u3092\u53d7\u3051\u307e\u3059\u304c\u3001\u79c1\u306fping\u9593\u9694\u3092\u5b9a\u7fa9\u3057\u3001 <em>\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8<\/em> \u30d7\u30ed\u30ad\u30b7\u304c\u30d5\u30e9\u30c3\u30c9\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u91cd\u8981\u306a\u306e\u306f\u4e00\u8cab\u6027\u3067\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u518d\u63a5\u7d9a\u304c\u904e\u5ea6\u306b\u983b\u7e41\u306b\u884c\u308f\u308c\u308b\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u6700\u9069\u5316\u306f\u3059\u3079\u3066\u53f0\u7121\u3057\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n<h2>\u8ca0\u8377\u8a66\u9a13\u3068\u6e2c\u5b9a\u6226\u7565<\/h2>\n\n<p>\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u30d6\u30e9\u30a4\u30f3\u30c9\u30bf\u30fc\u30f3\u306f\u3001\u5b89\u5b9a\u3057\u305f\u7d50\u679c\u3092\u3082\u305f\u3089\u3059\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002 <strong>\u7d50\u679c<\/strong>, \u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u4f53\u7cfb\u7684\u306b\u6e2c\u5b9a\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002\u591a\u304f\u306e\u5c0f\u3055\u306a\u30d5\u30a1\u30a4\u30eb\u3001\u73fe\u5b9f\u7684\u306a\u4e26\u5217\u5316\u5ea6\u3001\u5730\u7406\u7684\u306b\u5206\u6563\u3057\u305f\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u7528\u3044\u3066\u3001\u5178\u578b\u7684\u306a\u30e6\u30fc\u30b6\u30fc\u30d1\u30b9\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3057\u307e\u3059\u3002\u305d\u306e\u9593\u3001\u518d\u5229\u7528\u7387\u3001\u5e73\u5747\u63a5\u7d9a\u6642\u9593\u3001\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3001\u304a\u3088\u3073\u30aa\u30fc\u30d7\u30f3\u30bd\u30b1\u30c3\u30c8\u3068\u30ef\u30fc\u30ab\u30fc\u6570\u306e\u95a2\u4fc2\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3057\u307e\u3059\u3002 \u305d\u306e\u5f8c\u3001KeepAliveTimeout \u3092\u5c11\u3057\u305a\u3064\u5909\u66f4\u3057\u3001\u5fdc\u7b54\u6642\u9593\u3068 CPU \u4f7f\u7528\u7387\u306e\u66f2\u7dda\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u8907\u6570\u306e\u5b9f\u884c\u3067\u30e1\u30c8\u30ea\u30c3\u30af\u304c\u5b89\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u3001\u305d\u306e\u5024\u3092 <strong>\u88fd\u9020<\/strong>.<\/p>\n\n<h2>\u89b3\u6e2c\u53ef\u80fd\u6027\uff1a\u91cd\u8981\u306a\u6307\u6a19<\/h2>\n\n<p>\u79c1\u306f\u5177\u4f53\u7684\u306a\u6307\u6a19\u3092\u76e3\u8996\u3057\u3066\u3044\u307e\u3059\u30021 \u79d2\u3042\u305f\u308a\u306e\u65b0\u898f\u63a5\u7d9a\u6570\u3001\u518d\u5229\u7528\/\u518d\u69cb\u7bc9\u306e\u6bd4\u7387\u30011 \u79d2\u3042\u305f\u308a\u306e TLS \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u6570\u3001\u30aa\u30fc\u30d7\u30f3\u30bd\u30b1\u30c3\u30c8\u3068\u305d\u306e\u6ede\u7559\u6642\u9593\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u306e 95\/99 \u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306e\u5206\u5e03\uff08408\/499 \u3092\u542b\u3080\uff09\u3001\u304a\u3088\u3073 TIME_WAIT\/FIN_WAIT2 \u306a\u3069\u306e\u30ab\u30fc\u30cd\u30eb\u72b6\u614b\u3067\u3059\u3002 \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u306e\u30d4\u30fc\u30af\u3001499 \u306e\u5897\u52a0\u3001TIME_WAIT \u30d0\u30b1\u30c3\u30c8\u306e\u5897\u52a0\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30a2\u30a4\u30c9\u30eb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u77ed\u3059\u304e\u308b\u3001\u307e\u305f\u306f\u30d7\u30fc\u30eb\u304c\u5c0f\u3055\u3059\u304e\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u9069\u5207\u306b\u5b9f\u88c5\u3055\u308c\u305f\u30ed\u30b8\u30c3\u30af\u306b\u3088\u308a\u3001\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u518d\u73fe\u6027\u304c\u78ba\u4fdd\u3055\u308c\u3001\u6700\u9069\u5316\u304c\u5358\u306a\u308b\u30d7\u30e9\u30bb\u30dc\u52b9\u679c\u306b\u7d42\u308f\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/entwicklerdesk_http_4312.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8abf\u6574<\/h2>\n\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u3088\u308a\u3082\u5c11\u3057\u65e9\u304f\u30a2\u30a4\u30c9\u30eb\u63a5\u7d9a\u3092\u5207\u65ad\u3057\u3066\u3001\u300c\u30c7\u30c3\u30c9\u300d\u306a\u63a5\u7d9a\u304c\u767a\u751f\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u3079\u304d\u3067\u3059\u3002\u201e <strong>\u30bd\u30b1\u30c3\u30c8<\/strong> \u767a\u751f\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30a2\u30d7\u30ea\u3067\u306f\u3001Web \u30b5\u30fc\u30d0\u30fc\u3088\u308a\u3082\u4f4e\u3044 HTTP \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8a2d\u5b9a\u3057\u3001\u305d\u306e\u8a2d\u5b9a\u3092\u6587\u66f8\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306b\u3064\u3044\u3066\u3082\u540c\u69d8\u3067\u3059\u3002\u305d\u306e\u30a2\u30a4\u30c9\u30eb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30a4\u30c9\u30eb\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u4e0b\u56de\u3063\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d1\u30b9\u3067\u63a5\u7d9a\u304c\u5931\u308f\u308c\u306a\u3044\u3088\u3046\u306b\u3001NAT \u304a\u3088\u3073\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30a2\u30a4\u30c9\u30eb\u5024\u3082\u76e3\u8996\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u9069\u5207\u306a\u9023\u643a\u306b\u3088\u308a\u3001\u6563\u767a\u7684\u306a\u30ea\u30bb\u30c3\u30c8\u304c\u9632\u6b62\u3055\u308c\u3001\u5b89\u5b9a\u6027\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002 <strong>\u518d\u9001\u4fe1<\/strong>.<\/p>\n\n<h2>\u8ca0\u8377\u4e0b\u3067\u306e\u56de\u5fa9\u529b\u3068\u5b89\u5168\u6027<\/h2>\n\n<p>\u6301\u7d9a\u7684\u306a\u63a5\u7d9a\u306f\u3001Slowloris \u306a\u3069\u306e\u653b\u6483\u306e\u8a98\u56e0\u3068\u306a\u3063\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u79c1\u306f\u3001\u30d8\u30c3\u30c0\u30fc\/\u30dc\u30c7\u30a3\u306e\u8aad\u307f\u53d6\u308a\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u77ed\u304f\u8a2d\u5b9a\u3057\u3001\u30d8\u30c3\u30c0\u30fc\u30b5\u30a4\u30ba\u3092\u5236\u9650\u3057\u3001IP \u3042\u305f\u308a\u306e\u540c\u6642\u63a5\u7d9a\u6570\u3092\u5236\u9650\u3057\u3001\u30a2\u30c3\u30d7\u30b9\u30c8\u30ea\u30fc\u30e0\u3067\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u3092\u78ba\u4fdd\u3057\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30c8\u30b3\u30eb\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u63a5\u7d9a\u3092\u78ba\u5b9f\u306b\u9589\u3058\u308b\uff08\u958b\u3044\u305f\u307e\u307e\u306b\u3057\u306a\u3044\uff09\u3053\u3068\u3067\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5bc6\u8f38\u3092\u9632\u6b62\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u9069\u5207\u306a <em>grace<\/em>-\u9589\u3058\u308b\u969b\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3092\u8a2d\u5b9a\u3057\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u958b\u3044\u3066\u3044\u308b\u5fdc\u7b54\u3092\u9069\u5207\u306b\u7d42\u4e86\u3055\u305b\u3001\u63a5\u7d9a\u304c\u6c38\u9060\u306b <em>lingering<\/em>-\u72b6\u614b\u3092\u7dad\u6301\u3059\u308b\u3002.<\/p>\n\n<h2>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u8981\u7d20\u3068\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/h2>\n\n<p>\u5f37\u529b\u306aCPU\u3001\u9ad8\u901fNIC\u3001\u305d\u3057\u3066\u5341\u5206\u306a <strong>RAM<\/strong> \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306e\u5207\u308a\u66ff\u3048\u3001\u6697\u53f7\u5316\u3092\u9ad8\u901f\u5316\u3057\u3001\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u3092\u6700\u5927\u9650\u306b\u6d3b\u7528\u3057\u307e\u3059\u3002\u30a2\u30d7\u30ea\u306e\u524d\u306b\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u30aa\u30d5\u30ed\u30fc\u30c9\u304c\u7c21\u7d20\u5316\u3055\u308c\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u96c6\u4e2d\u5316\u3055\u308c\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3078\u306e\u518d\u5229\u7528\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002TLS\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u3088\u308a\u7d30\u304b\u304f\u5236\u5fa1\u3059\u308b\u305f\u3081\u306b\u3001\u79c1\u306f\u660e\u78ba\u306a <a href=\"https:\/\/webhosting.de\/ja\/%e3%83%aa%e3%83%90%e3%83%bc%e3%82%b9%e3%83%97%e3%83%ad%e3%82%ad%e3%82%b7%e3%83%bb%e3%82%a2%e3%83%bc%e3%82%ad%e3%83%86%e3%82%af%e3%83%81%e3%83%a3-%e5%88%a9%e7%82%b9-%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc\/\">\u30ea\u30d0\u30fc\u30b9\u30d7\u30ed\u30ad\u30b7\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/a>. \u91cd\u8981\u306a\u306e\u306f\u3001\u30a4\u30f3\u30d5\u30e9\u304c\u9ad8\u5ea6\u306a\u4e26\u5217\u51e6\u7406\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u3001ulimit -n \u3084 accept-Queues \u306a\u3069\u306e\u5236\u9650\u3092\u65e9\u3081\u306b\u89e3\u9664\u3059\u308b\u3053\u3068\u3060\u3088\u3002\u660e\u78ba\u306a\u53ef\u89b3\u6e2c\u6027\u304c\u3042\u308c\u3070\u3001\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u7d20\u65e9\u304f\u898b\u3064\u3051\u3066\u3001 <strong>\u9650\u754c<\/strong> \u3057\u3063\u304b\u308a\u3068\u7de0\u3081\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2025\/12\/serverraum-verbindung-9823.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30c7\u30d7\u30ed\u30a4\u3001\u30c9\u30ec\u30a4\u30f3\u3001OS \u306e\u8a73\u7d30<\/h2>\n\n<p>\u30ed\u30fc\u30ea\u30f3\u30b0\u30c7\u30d7\u30ed\u30a4\u3067\u306f\u3001\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u63a5\u7d9a\u3092\u5236\u5fa1\u3057\u3066\u7d42\u4e86\u3055\u305b\u307e\u3059\u3002\u65b0\u3057\u3044\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u53d7\u3051\u4ed8\u3051\u305a\u3001\u65e2\u5b58\u306e\u3082\u306e\u306f\u77ed\u6642\u9593\u3067\u51e6\u7406\uff08\u30c9\u30ec\u30a4\u30f3\uff09\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u63a5\u7d9a\u306e\u5207\u65ad\u3084 5xx \u306e\u30d4\u30fc\u30af\u3092\u56de\u907f\u3057\u307e\u3059\u3002OS 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