{"id":209292,"date":"2025-09-30T07:58:01","date_gmt":"2025-09-29T23:58:01","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209292\/"},"modified":"2025-09-30T07:58:02","modified_gmt":"2025-09-29T23:58:02","slug":"vps-237","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209292\/","title":{"rendered":"\u9999\u6e2fVPS\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u6027\u80fd\u4f18\u5316\uff1a\u5b9e\u6218\u964d\u5ef6\u8fdf\u3001\u63d0\u5e76\u53d1\u6307\u5357"},"content":{"rendered":"<p>\u5728\u9ad8\u5e76\u53d1\u7f51\u7ad9\u4e0e\u5206\u5e03\u5f0f\u5e94\u7528\u573a\u666f\u4e2d\uff0c\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u7684\u8bbe\u8ba1\u4e0e\u4f18\u5316\u76f4\u63a5\u5173\u7cfb\u5230\u7cfb\u7edf\u5ef6\u8fdf\u3001\u541e\u5410\u4e0e\u53ef\u7528\u6027\u3002\u65e0\u8bba\u662f\u90e8\u7f72\u5728\u9999\u6e2fVPS\u8fd8\u662f\u7f8e\u56fdVPS\u4e0a\uff0c\u5408\u7406\u7684\u8fde\u63a5\u6c60\u7b56\u7565\u90fd\u80fd\u663e\u8457\u964d\u4f4e\u67e5\u8be2\u5ef6\u8fdf\u3001\u63d0\u5347\u5e76\u53d1\u5904\u7406\u80fd\u529b\u5e76\u51cf\u5c11\u8d44\u6e90\u6d6a\u8d39\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u7ed3\u5408\u5e95\u5c42\u7f51\u7edc\u4e0e\u6570\u636e\u5e93\u5b9e\u73b0\u7ec6\u8282\uff0c\u63d0\u4f9b\u4e00\u5957\u53ef\u5b9e\u6218\u843d\u5730\u7684\u4f18\u5316\u6307\u5357\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u4f60\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u73af\u5883\u4e2d\u6784\u5efa\u9ad8\u6027\u80fd\u6570\u636e\u5e93\u8bbf\u95ee\u5c42\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u8981\u5173\u6ce8\u6570\u636e\u5e93\u8fde\u63a5\u6c60\uff1a\u539f\u7406\u4e0e\u75db\u70b9<\/h2>\n<p><strong>\u6570\u636e\u5e93\u8fde\u63a5\u5efa\u7acb\u4e0e\u5173\u95ed\u7684\u5f00\u9500\u5f88\u5927<\/strong>\u3002\u4e00\u6b21\u5b8c\u6574\u7684 TCP \u63e1\u624b\u3001\u8ba4\u8bc1\u4e0e\u4f1a\u8bdd\u521d\u59cb\u5316\u5f80\u5f80\u4f1a\u7275\u626f\u6570\u6beb\u79d2\u5230\u6570\u5341\u6beb\u79d2\uff0c\u8de8\u5730\u57df\uff08\u4f8b\u5982\u4ece\u9999\u6e2fVPS\u8bbf\u95ee\u7f8e\u56fd\u6570\u636e\u5e93\uff09\u5219\u4f1a\u589e\u52a0\u5f80\u8fd4\u65f6\u5ef6\uff08RTT\uff09\u3002\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e2d\uff0c\u9891\u7e41\u521b\u5efa\/\u9500\u6bc1\u8fde\u63a5\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u54cd\u5e94\u6296\u52a8\u4e0e\u8d44\u6e90\u6d6a\u8d39\u3002<\/p>\n<p>\u8fde\u63a5\u6c60\u7684\u6838\u5fc3\u529f\u80fd\u662f\u91cd\u7528\u8fde\u63a5\u3001\u63a7\u5236\u5e76\u53d1\u4e0a\u9650\u4e0e\u7ba1\u7406\u7a7a\u95f2\u8d44\u6e90\uff0c\u4f46\u4e0d\u5f53\u914d\u7f6e\u4e5f\u4f1a\u5e26\u6765\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\u8fde\u63a5\u6570\u8fc7\u5c11\u5bfc\u81f4\u6392\u961f\u7b49\u5f85\u4e0e\u9ad8\u5ef6\u8fdf\uff1b<\/li>\n<li>\u8fde\u63a5\u6570\u8fc7\u591a\u5bfc\u81f4\u6570\u636e\u5e93\u7aef\u8d44\u6e90\u8017\u5c3d\uff08\u4f8b\u5982\u8fde\u63a5\u8868\u6ea2\u51fa\u3001\u5185\u5b58\u7206\u589e\uff09\uff1b<\/li>\n<li>\u957f\u8fde\u63a5\u95f2\u7f6e\u5bfc\u81f4\u9632\u706b\u5899\u6216\u8d1f\u8f7d\u5747\u8861\u4e2d\u95f4\u4ef6\u8d85\u65f6\u65ad\u5f00\uff08\u8fde\u63a5\u6cc4\u9732\uff09;<\/li>\n<li>\u8de8\u533a\u90e8\u7f72\uff08\u9999\u6e2f\u670d\u52a1\u5668\u8bbf\u95ee\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u7531\u4e8e RTT \u589e\u5927\uff0c\u4f1a\u653e\u5927\u4e0a\u8ff0\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h2>\u5173\u952e\u6280\u672f\u70b9\u4e0e\u4f18\u5316\u7b56\u7565<\/h2>\n<h3>1. \u5408\u7406\u8bbe\u7f6e\u6700\u5927\u8fde\u63a5\u6570\uff08maxPoolSize\uff09\u4e0e\u6700\u5c0f\u7a7a\u95f2\u6570\uff08minIdle\uff09<\/h3>\n<p>\u4e0d\u540c\u6570\u636e\u5e93\u4e0e\u5b9e\u4f8b\u5927\u5c0f\u652f\u6301\u7684\u6700\u5927\u8fde\u63a5\u6570\u4e0d\u540c\u3002\u4e00\u4e2a\u7ecf\u9a8c\u516c\u5f0f\uff1a<\/p>\n<ul>\n<li>\u4f30\u7b97\u5e94\u7528\u8282\u70b9\u6570 \u00d7 \u5355\u8282\u70b9\u5e76\u53d1\u6570 \u00f7 \u6bcf\u8fde\u63a5\u5e76\u53d1\u5ea6 \u2248 \u9700\u8981\u7684\u6700\u5927\u8fde\u63a5\u6570\u3002<\/li>\n<li>\u4f18\u5148\u4ece\u6570\u636e\u5e93\u7aef\u4e0a\u9650\u4e0e\u5b9e\u4f8b\u89c4\u683c\uff08CPU\/\u5185\u5b58\/\u8868\u8fde\u63a5\u6570\uff09\u5012\u63a8\u6c60\u4e0a\u9650\uff0c\u4fdd\u7559\u64cd\u4f5c\u7cfb\u7edf\u4e0e\u5176\u4ed6\u670d\u52a1\u7684\u8fde\u63a5\u9884\u7b97\u3002<\/li>\n<\/ul>\n<p>\u5728 Java \u751f\u6001\u4e2d\u5e38\u7528 <strong>HikariCP<\/strong>\uff08\u9ad8\u6027\u80fd\u3001\u4f4e\u5ef6\u8fdf\uff09\uff0c\u63a8\u8350\u8bbe\u7f6e\u5408\u9002\u7684 <code>maximumPoolSize<\/code> \u4e0e\u77ed\u800c\u5408\u7406\u7684 <code>connectionTimeout<\/code>\uff1bPHP \u4f7f\u7528 PDO \u6301\u4e45\u8fde\u63a5\u6216 Swoole \u7684\u8fde\u63a5\u6c60\u65f6\u540c\u6837\u9700\u8981\u63a7\u5236\u5e76\u53d1\u4e0a\u9650\u3002<\/p>\n<h3>2. \u7f29\u77ed\u8fde\u63a5\u83b7\u53d6\u5ef6\u8fdf\uff1a\u9884\u70ed\u4e0e\u4fdd\u6d3b<\/h3>\n<ul>\n<li>\u542f\u52a8\u65f6\u9884\u521b\u5efa\u4e00\u5b9a\u6570\u91cf\u7684\u8fde\u63a5\uff08preFill \/ initializationFailFast\uff09\u4ee5\u907f\u514d\u51b7\u542f\u52a8\u5ef6\u8fdf\uff1b<\/li>\n<li>\u914d\u7f6e\u9002\u5f53\u7684\u7a7a\u95f2\u4fdd\u6d3b\uff08keepalive\u3001validationQuery\u3001testOnBorrow\uff09\u4ee5\u9632\u6b62\u4e2d\u95f4\u4ef6\u6216\u9632\u706b\u5899\u8bef\u65ad\u5f00\uff1b<\/li>\n<li>\u4f7f\u7528 TCP keepalive \u4e0e\u6570\u636e\u5e93\u9a71\u52a8\u5fc3\u8df3\uff08\u4f8b\u5982 MySQL \u7684 <code>interactive_timeout<\/code>\u3001Postgres \u7684 <code>tcp_keepalives*<\/code> \u53c2\u6570\uff09\u3002<\/li>\n<\/ul>\n<h3>3. \u4f7f\u7528\u8f7b\u91cf\u5316\u8fde\u63a5\u6c60\u6216\u8fde\u63a5\u590d\u7528\u4ee3\u7406<\/h3>\n<p>\u5bf9\u4e8e\u77ed\u4e8b\u52a1\u3001\u7b80\u5355\u67e5\u8be2\u7279\u522b\u9891\u7e41\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u5f15\u5165\u8fde\u63a5\u590d\u7528\u4ee3\u7406\uff1a<\/p>\n<ul>\n<li>MySQL \u73af\u5883\uff1a\u4f7f\u7528 <strong>ProxySQL<\/strong> \u505a\u8fde\u63a5\u590d\u7528\u548c\u8def\u7531\uff0c\u80fd\u591f\u663e\u8457\u964d\u4f4e\u540e\u7aef MySQL \u5b9e\u4f8b\u7684\u8fde\u63a5\u538b\u529b\uff1b<\/li>\n<li>Postgres \u73af\u5883\uff1a\u4f7f\u7528 <strong>PgBouncer<\/strong> \u7684 transaction \u6216 session pooling \u6a21\u5f0f\u8fdb\u884c\u8fde\u63a5\u590d\u7528\uff1b<\/li>\n<li>\u8fd9\u4e9b\u4ee3\u7406\u53ef\u4ee5\u90e8\u7f72\u5728\u5e94\u7528\u4fa7\u540c\u4e00\u53f0\u9999\u6e2fVPS\u4e0a\uff0c\u51cf\u5c11 RTT \u5e76\u901a\u8fc7\u672c\u5730\u590d\u7528\u8fde\u63a5\u7684\u65b9\u5f0f\u63d0\u5347 QPS\u3002<\/li>\n<\/ul>\n<h3>4. \u51cf\u5c11\u8fde\u63a5\u5360\u7528\u65f6\u95f4\uff1a\u4e8b\u52a1\u4e0e\u67e5\u8be2\u4f18\u5316<\/h3>\n<p>\u8fde\u63a5\u6c60\u53ea\u662f\u624b\u6bb5\uff0c\u6839\u672c\u5728\u4e8e\u6bcf\u6b21\u8fde\u63a5\u64cd\u4f5c\u7684\u8017\u65f6\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u957f\u4e8b\u52a1\u548c\u5927\u4e8b\u52a1\uff0c\u91c7\u7528\u5206\u9875\u3001\u6d41\u5f0f\u8bfb\u53d6\u51cf\u5c11\u9501\u6301\u6709\u65f6\u95f4\uff1b<\/li>\n<li>\u4f7f\u7528\u9884\u7f16\u8bd1\u8bed\u53e5\uff08prepared statements\uff09\u4e0e\u7ed1\u5b9a\u53c2\u6570\u51cf\u5c11\u89e3\u6790\u6d88\u8017\uff0c\u5e76\u5728\u652f\u6301\u7684\u8fde\u63a5\u6c60\u4e2d\u542f\u7528 statement caching\uff1b<\/li>\n<li>\u62c6\u5206\u590d\u6742\u67e5\u8be2\u6216\u4f7f\u7528\u7269\u5316\u89c6\u56fe\/\u7f13\u5b58\u5c42\uff08\u4f8b\u5982 Redis\uff09\u964d\u4f4e\u6570\u636e\u5e93\u538b\u529b\u3002<\/li>\n<\/ul>\n<h3>5. \u5f02\u6b65\/\u975e\u963b\u585e\u5ba2\u6237\u7aef\u4e0e\u591a\u8def\u590d\u7528<\/h3>\n<p>\u5bf9\u4e8e I\/O \u5bc6\u96c6\u578b\u670d\u52a1\uff0c\u53ef\u8003\u8651\u5f02\u6b65\u9a71\u52a8\uff08\u5982 Node.js \u7684\u975e\u963b\u585e\u9a71\u52a8\u3001Java \u7684 R2DBC\uff09\u6216\u6570\u636e\u5e93\u7684\u591a\u8def\u590d\u7528\u652f\u6301\u3002\u8fd9\u7c7b\u65b9\u6848\u80fd\u5728\u5355\u4e00\u8fde\u63a5\u4e0a\u627f\u8f7d\u66f4\u591a\u5e76\u53d1\u8bf7\u6c42\uff0c\u663e\u8457\u964d\u4f4e\u5bf9\u8fde\u63a5\u6570\u7684\u9700\u6c42\u3002<\/p>\n<h3>6. \u64cd\u4f5c\u7cfb\u7edf\u4e0e\u7f51\u7edc\u6808\u8c03\u4f18<\/h3>\n<ul>\n<li>\u63d0\u9ad8\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e0a\u9650\uff08ulimit -n\uff09\u4e0e\u6570\u636e\u5e93\u8fdb\u7a0b\u7684\u53ef\u7528\u6587\u4ef6\u53e5\u67c4\u6570\uff1b<\/li>\n<li>\u8c03\u6574 ephemeral port \u6c60\uff08net.ipv4.ip_local_port_range\uff09\u548c TIME_WAIT \u5904\u7406\uff08net.ipv4.tcp_tw_reuse\u3001tcp_fin_timeout\uff09\uff1b<\/li>\n<li>\u4f18\u5316 TCP \u7f13\u51b2\u533a\uff08tcp_rmem\/tcp_wmem\u3001tcp_window_scaling\uff09\u4ee5\u5339\u914d\u9ad8\u541e\u5410\u7f51\u7edc\uff1b<\/li>\n<li>\u5728\u4e91 VPS\uff08\u5982\u9999\u6e2fVPS\uff09\u4e0a\u6ce8\u610f\u5e26\u5bbd\u4e0e\u7a81\u53d1\u6d41\u91cf\u7b56\u7565\uff0c\u5408\u7406\u9009\u914d\u7f51\u7edc\u5e26\u5bbd\u4e0e\u79c1\u7f51\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<h3>7. \u76d1\u63a7\u3001\u6307\u6807\u4e0e\u81ea\u52a8\u5316\u4f38\u7f29<\/h3>\n<p>\u6301\u7eed\u76d1\u63a7\u662f\u4f18\u5316\u7684\u524d\u63d0\u3002\u5e94\u91c7\u96c6\u5e76\u62a5\u8b66\u4ee5\u4e0b\u6307\u6807\uff1a<\/p>\n<ul>\n<li>\u8fde\u63a5\u6c60\u6d3b\u8dc3\u8fde\u63a5\u6570\u3001\u7b49\u5f85\u961f\u5217\u957f\u5ea6\u3001\u8fde\u63a5\u83b7\u53d6\u5ef6\u8fdf\uff1b<\/li>\n<li>\u6570\u636e\u5e93\u7aef\u8fde\u63a5\u6570\u3001\u6162\u67e5\u8be2\u6570\u3001\u9501\u7b49\u5f85\u4e0e\u4e8b\u52a1\u65f6\u957f\uff1b<\/li>\n<li>\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\u7684\u7f51\u7edc\u9519\u8bef\u3001TIME_WAIT \u6570\u91cf\u53ca\u7aef\u53e3\u8017\u5c3d\u3002<\/li>\n<\/ul>\n<p>\u7ed3\u5408\u6307\u6807\u5b9e\u73b0\u81ea\u52a8\u4f38\u7f29\u6216\u8fde\u63a5\u6c60\u52a8\u6001\u8c03\u6574\uff08\u4f8b\u5982\u5728\u4f4e\u5cf0\u671f\u51cf\u5c0f pool size\uff0c\u5728\u5cf0\u503c\u671f\u6839\u636e\u961f\u5217\u957f\u5ea6\u9010\u6b65\u589e\u52a0\uff09\u53ef\u4ee5\u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387\u4e0e\u7a33\u5b9a\u6027\u3002<\/p>\n<h2>\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e0b\u7684\u5b9e\u6218\u5efa\u8bae<\/h2>\n<h3>\u4e2d\u5c0f\u6d41\u91cf\u7f51\u7ad9\uff08\u5355\u673a\u6216\u5c11\u91cf\u5e94\u7528\u8282\u70b9\uff09<\/h3>\n<ul>\n<li>\u4f7f\u7528\u8f7b\u91cf\u7ea7\u8fde\u63a5\u6c60\uff08PHP PDO \u6301\u4e45\u8fde\u63a5\u6216\u9ed8\u8ba4\u6c60\uff09\u5373\u53ef\uff1b<\/li>\n<li>\u5728\u9999\u6e2f\u670d\u52a1\u5668\u90e8\u7f72\u5e94\u7528\u4e14\u6570\u636e\u5e93\u4e5f\u5728\u9999\u6e2fVPS\uff0c\u53ef\u5c06\u8fde\u63a5\u65f6\u5ef6\u964d\u5230\u6700\u4f4e\uff1b<\/li>\n<li>\u907f\u514d\u8de8\u533a\u57df\u8bbf\u95ee\uff08\u4f8b\u5982\u4ece\u9999\u6e2fVPS\u8bbf\u95ee\u7f8e\u56fd\u670d\u52a1\u5668\u4e0a\u7684\u6570\u636e\u5e93\uff09\uff0c\u9664\u975e\u901a\u8fc7\u4e13\u7ebf\u6216 CDN\/\u7f13\u5b58\u7f13\u89e3\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<h3>\u9ad8\u5e76\u53d1\u8bfb\u591a\u5199\u5c11\u573a\u666f\uff08\u7f13\u5b58\u53cb\u597d\uff09<\/h3>\n<ul>\n<li>\u90e8\u7f72\u8bfb\u5199\u5206\u79bb + \u8bfb\u4fa7\u4f7f\u7528 ProxySQL \/ PgBouncer\uff1b<\/li>\n<li>\u4f7f\u7528 Redis\/Memcached \u505a\u70ed\u70b9\u7f13\u5b58\uff0c\u51cf\u5c11\u540e\u7aef\u6570\u636e\u5e93\u8fde\u63a5\u538b\u529b\uff1b<\/li>\n<li>\u5728\u591a\u53ef\u7528\u533a\u90e8\u7f72\u5e94\u7528\u8282\u70b9\u65f6\uff0c\u4f18\u5148\u628a\u6570\u636e\u5e93\u653e\u5728\u5ef6\u8fdf\u8f83\u4f4e\u7684\u4e00\u4fa7\uff08\u4e9a\u592a\u4f18\u9009\u9999\u6e2f\u670d\u52a1\u5668\uff09\u3002<\/li>\n<\/ul>\n<h3>\u5168\u7403\u5206\u5e03\u5e94\u7528\uff08\u8de8\u533a\u8bbf\u95ee\uff09<\/h3>\n<ul>\n<li>\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u670d\u52a1\u5e94\u91c7\u7528\u8de8\u533a\u57df\u8bfb\u526f\u672c\u6216\u8fb9\u7f18\u7f13\u5b58\uff1b<\/li>\n<li>\u9009\u62e9\u5c31\u8fd1\u7684 VPS\uff08\u9999\u6e2fVPS 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