{"id":209070,"date":"2025-09-30T04:08:30","date_gmt":"2025-09-29T20:08:30","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209070\/"},"modified":"2025-09-30T04:08:31","modified_gmt":"2025-09-29T20:08:31","slug":"vps-175","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209070\/","title":{"rendered":"\u9999\u6e2fVPS\u9ad8\u53ef\u7528\u6570\u636e\u5e93\u96c6\u7fa4\u5957\u9910\uff1a\u4f01\u4e1a\u7ea7\u7a33\u5b9a\u4e0e\u4f4e\u5ef6\u8fdf\u4fdd\u969c"},"content":{"rendered":"<p>\u5728\u9762\u5411\u4e9a\u592a\u5730\u533a\u53ca\u5168\u7403\u4e1a\u52a1\u7684\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\u90e8\u7f72\u6570\u636e\u5e93\u65f6\uff0c<strong>\u9ad8\u53ef\u7528\uff08HA\uff09\u6570\u636e\u5e93\u96c6\u7fa4<\/strong>\u662f\u4fdd\u969c\u670d\u52a1\u8fde\u7eed\u6027\u4e0e\u4f4e\u5ef6\u8fdf\u4f53\u9a8c\u7684\u6838\u5fc3\u7ec4\u6210\u3002\u5bf9\u4e8e\u5e0c\u671b\u517c\u987e\u5730\u7406\u4f4d\u7f6e\u4f18\u52bf\u548c\u7f51\u7edc\u6027\u80fd\u7684\u7528\u6237\u6765\u8bf4\uff0c\u9009\u62e9\u9999\u6e2fVPS\u642d\u5efa\u9ad8\u53ef\u7528\u6570\u636e\u5e93\u96c6\u7fa4\uff0c\u80fd\u5728\u54cd\u5e94\u901f\u5ea6\u4e0e\u8fde\u63a5\u7a33\u5b9a\u6027\u4e4b\u95f4\u53d6\u5f97\u826f\u597d\u5e73\u8861\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u5178\u578b\u5e94\u7528\u573a\u666f\u3001\u5b9e\u73b0\u6280\u672f\u7ec6\u8282\u3001\u4e0e\u5176\u4ed6\u65b9\u6848\uff08\u5982\u7f8e\u56fdVPS\u3001\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u5bf9\u6bd4\uff0c\u5230\u9009\u8d2d\u4e0e\u8fd0\u7ef4\u5efa\u8bae\uff0c\u7cfb\u7edf\u6027\u9610\u8ff0\u5982\u4f55\u6784\u5efa\u4f01\u4e1a\u7ea7\u7a33\u5b9a\u3001\u4f4e\u5ef6\u8fdf\u7684\u9999\u6e2fVPS\u6570\u636e\u5e93\u96c6\u7fa4\u3002<\/p>\n<h2>\u9ad8\u53ef\u7528\u6570\u636e\u5e93\u96c6\u7fa4\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u9ad8\u53ef\u7528\u6570\u636e\u5e93\u96c6\u7fa4\u901a\u8fc7\u5197\u4f59\u8282\u70b9\u3001\u590d\u5236\u673a\u5236\u3001\u81ea\u52a8\u6545\u969c\u68c0\u6d4b\u4e0e\u5207\u6362\uff08failover\uff09\u6765\u964d\u4f4e\u5355\u70b9\u6545\u969c\u98ce\u9669\u5e76\u7f29\u77ed\u6062\u590d\u65f6\u95f4\u3002\u5173\u952e\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u590d\u5236\u534f\u8bae\uff1a<\/strong>\u5305\u62ec\u540c\u6b65\u590d\u5236\uff08synchronous\uff09\u4e0e\u5f02\u6b65\u590d\u5236\uff08asynchronous\uff09\u3002\u540c\u6b65\u590d\u5236\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u4f46\u4f1a\u589e\u52a0\u5199\u5165\u5ef6\u8fdf\uff1b\u5f02\u6b65\u590d\u5236\u5ef6\u8fdf\u5c0f\u4f46\u5728\u4e3b\u8282\u70b9\u6545\u969c\u65f6\u5b58\u5728\u6570\u636e\u4e22\u5931\u98ce\u9669\u3002<\/li>\n<li><strong>\u4ef2\u88c1\u4e0e\u4e00\u81f4\u6027\uff1a<\/strong>\u591a\u6570\u7cfb\u7edf\u91c7\u7528\u591a\u6570\u6d3e\uff08quorum\uff09\u673a\u5236\u4ee5\u907f\u514d\u8111\u88c2\uff08split-brain\uff09\u3002\u5206\u5e03\u5f0f\u4e00\u81f4\u6027\u534f\u8bae\uff08\u5982Raft\u3001Paxos\uff09\u7528\u4e8e\u9009\u4e3b\u4e0e\u65e5\u5fd7\u4e00\u81f4\u6027\u4fdd\u8bc1\u3002<\/li>\n<li><strong>\u76d1\u63a7\u4e0e\u6545\u969c\u8f6c\u79fb\uff1a<\/strong>\u901a\u8fc7\u5fc3\u8df3\uff08heartbeat\uff09\u68c0\u6d4b\u8282\u70b9\u5065\u5eb7\uff0c\u7ed3\u5408\u81ea\u52a8\u5316\u811a\u672c\u6216\u96c6\u7fa4\u7ba1\u7406\u5668\u5b9e\u73b0\u4e3b\u4ece\u5207\u6362\u3002<\/li>\n<li><strong>\u8d1f\u8f7d\u5747\u8861\uff1a<\/strong>\u8bfb\u5199\u5206\u79bb\u573a\u666f\u4e0b\u4f7f\u7528\u4ee3\u7406\uff08\u5982HAProxy\u3001ProxySQL\uff09\u6216\u6570\u636e\u5e93\u81ea\u8eab\u7684\u8bfb\u526f\u672c\u8def\u7531\u80fd\u529b\u6765\u5206\u62c5\u67e5\u8be2\u538b\u529b\u3002<\/li>\n<li><strong>\u5b58\u50a8\u4e0e\u5feb\u7167\uff1a<\/strong>\u4f7f\u7528\u672c\u5730SSD\/NVMe\u4e0e\u5b9a\u671f\u5feb\u7167\u6216\u589e\u91cf\u5907\u4efd\uff08WAL\u3001binlog\uff09\u786e\u4fdd\u6570\u636e\u53ef\u6062\u590d\u3002<\/li>\n<\/ul>\n<h3>\u5e38\u89c1\u5b9e\u73b0\u6280\u672f\u6808<\/h3>\n<ul>\n<li>MySQL\uff1a\u4e3b\u6d41\u5b9e\u73b0\u6709MySQL 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Operator\uff09\u7528\u4e8e\u5bb9\u5668\u5316\u573a\u666f\u3002<\/li>\n<\/ul>\n<h2>\u9999\u6e2fVPS\u4f5c\u4e3a\u90e8\u7f72\u4f4d\u7f6e\u7684\u7f51\u7edc\u4e0e\u5ef6\u8fdf\u4f18\u52bf<\/h2>\n<p>\u9999\u6e2f\u4f5c\u4e3a\u4e9a\u592a\u5730\u533a\u7684\u7f51\u7edc\u67a2\u7ebd\uff0c\u62e5\u6709\u4e30\u5bcc\u7684\u56fd\u9645\u4e0e\u533a\u57df\u4e92\u8054\u7f51\u4ea4\u6362\u8282\u70b9\uff08IX\uff09\uff0c\u5bf9\u5927\u591a\u6570\u4e2d\u56fd\u5927\u9646\u3001\u4e1c\u5357\u4e9a\u3001\u53f0\u6e7e\u53ca\u65e5\u672c\u7684\u5ef6\u8fdf\u8868\u73b0\u4f18\u5f02\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u9009\u62e9\u7f8e\u56fdVPS\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u4f5c\u4e3a\u6570\u636e\u5e93\u4e3b\u8282\u70b9\u65f6\uff0c\u8de8\u592a\u5e73\u6d0b\u7684\u5ef6\u8fdf\u5bf9OLTP\u7c7b\u5199\u5bc6\u96c6\u578b\u5e94\u7528\u5f71\u54cd\u663e\u8457\u3002<\/p>\n<ul>\n<li><strong>\u5ef6\u8fdf\u793a\u4f8b\uff1a<\/strong>\u9999\u6e2f\u5230\u4e2d\u56fd\u5927\u9646\u4e3b\u6d41\u57ce\u5e02\u7684\u5f80\u8fd4\u65f6\u5ef6\uff08RTT\uff09\u901a\u5e38\u572810\u201330ms\uff1b\u5230\u4e1c\u5357\u4e9a\uff08\u5982\u65b0\u52a0\u5761\u3001\u5409\u9686\u5761\uff09\u7ea620\u201340ms\uff1b\u800c\u5230\u7f8e\u56fd\u897f\u6d77\u5cb8\u5f80\u8fd4\u65f6\u5ef6\u5e38\u5728120\u2013180ms\u3002<\/li>\n<li><strong>\u5e26\u5bbd\u4e0e\u94fe\u8def\u7a33\u5b9a\u6027\uff1a<\/strong>\u9999\u6e2f\u4e0e\u56fd\u9645\u94fe\u8def\u591a\u6837\u5316\u3001BGP\u4f18\u5316\u5145\u5206\uff0c\u9002\u5408\u5bf9\u5b9e\u65f6\u6027\u6709\u4e25\u683c\u8981\u6c42\u7684\u4e1a\u52a1\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u67b6\u6784\u5efa\u8bae<\/h2>\n<p>\u4e0d\u540c\u4e1a\u52a1\u573a\u666f\u5bf9\u4e00\u81f4\u6027\u3001\u53ef\u7528\u6027\u3001\u548c\u5ef6\u8fdf\u7684\u4fa7\u91cd\u70b9\u4e0d\u540c\uff0c\u4ee5\u4e0b\u7ed9\u51fa\u5178\u578b\u573a\u666f\u4e0e\u63a8\u8350\u67b6\u6784\uff1a<\/p>\n<h3>OLTP\uff08\u9ad8\u5e76\u53d1\u5199\u5165\u3001\u5f3a\u4e00\u81f4\u6027\uff09<\/h3>\n<ul>\n<li>\u63a8\u8350\uff1a\u5728\u9999\u6e2fVPS\u4e0a\u90e8\u7f72\u4e09\u8282\u70b9\u6216\u4e94\u8282\u70b9\u7684\u540c\u6b65\u590d\u5236\u96c6\u7fa4\uff08\u4f8b\u5982\u4f7f\u7528MySQL Group Replication\u6216PostgreSQL + Patroni\uff09\uff0c\u8282\u70b9\u5206\u5e03\u5728\u4e0d\u540c\u673a\u623f\/\u53ef\u7528\u533a\uff0c\u786e\u4fdd\u591a\u6570\u6d3e\u53ef\u7528\u3002<\/li>\n<li>\u8981\u70b9\uff1a\u91c7\u7528\u540c\u6b65\u6216\u534a\u540c\u6b65\u590d\u5236\u4ee5\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\uff1b\u914d\u7f6e\u4f4e\u5ef6\u8fdf\u7f51\u7edc\u548cSSD\/NVMe\u5b58\u50a8\uff1b\u5bf9\u5199\u5165\u70ed\u70b9\u8fdb\u884c\u5206\u7247\u6216\u4f7f\u7528\u5782\u76f4\u62c6\u5206\u3002<\/li>\n<\/ul>\n<h3>\u8bfb\u5bc6\u96c6\u578b\u5e94\u7528\uff08\u65b0\u95fb\u3001\u5185\u5bb9\u5206\u53d1\uff09<\/h3>\n<ul>\n<li>\u63a8\u8350\uff1a\u4e3b\u5e93\u90e8\u7f72\u5728\u9999\u6e2fVPS\uff0c\u591a\u4e2a\u53ea\u8bfb\u526f\u672c\u5206\u5e03\u5728\u9999\u6e2f\u53ca\u9644\u8fd1\u5730\u533a\uff08\u751a\u81f3\u7f8e\u56fd\/\u6b27\u6d32\u4f5c\u4e3a\u8fdc\u7a0b\u526f\u672c\uff09\u4ee5\u63a5\u8fd1\u7528\u6237\u5c31\u8fd1\u8bfb\u3002<\/li>\n<li>\u8981\u70b9\uff1a\u4f7f\u7528\u5f02\u6b65\u590d\u5236\u964d\u4f4e\u4e3b\u5e93\u5199\u5165\u5ef6\u8fdf\uff0c\u7ed3\u5408CDN\u6216\u7f13\u5b58\uff08Redis\/Memcached\uff09\u51cf\u5c11\u6570\u636e\u5e93\u538b\u529b\u3002<\/li>\n<\/ul>\n<h3>\u8de8\u533a\u57df\u5bb9\u707e\u4e0e\u8de8\u5883\u4e1a\u52a1<\/h3>\n<ul>\n<li>\u63a8\u8350\uff1a\u4e3b\u96c6\u7fa4\u653e\u5728\u9999\u6e2f\uff0c\u5f02\u5730\u707e\u5907\u653e\u5728\u7f8e\u56fdVPS\u6216\u5176\u4ed6\u533a\u57df\u670d\u52a1\u5668\uff0c\u91c7\u7528\u5f02\u6b65\u8de8\u533a\u590d\u5236\u4e0e\u5b9a\u671f\u5feb\u7167\u3002<\/li>\n<li>\u8981\u70b9\uff1a\u8de8\u533a\u57df\u590d\u5236\u9700\u5bb9\u5fcd\u8f83\u9ad8\u7f51\u7edc\u5ef6\u8fdf\uff0c\u91cd\u8981\u6570\u636e\u53ef\u8bbe\u7f6e\u591a\u7ea7\u5907\u4efd\u7b56\u7565\u4e0eRPO\/RTO\u6307\u6807\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u9999\u6e2fVPS\u96c6\u7fa4 vs 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