{"id":209068,"date":"2025-09-30T03:38:28","date_gmt":"2025-09-29T19:38:28","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209068\/"},"modified":"2025-09-30T03:38:29","modified_gmt":"2025-09-29T19:38:29","slug":"vps-174","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209068\/","title":{"rendered":"\u9999\u6e2fVPS\u5f02\u5730\u591a\u5907\u4efd\u70b9\u5b58\u50a8\u9009\u8d2d\u6307\u5357\uff1a\u5173\u952e\u6307\u6807\u4e0e\u5b9e\u6218\u7b56\u7565"},"content":{"rendered":"<p>\u5728\u591a\u5730\u57df\u90e8\u7f72\u548c\u5bb9\u707e\u8981\u6c42\u65e5\u76ca\u4e25\u683c\u7684\u4eca\u5929\uff0c\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u548c\u5f00\u53d1\u8005\u5728\u4e3a\u9999\u6e2fVPS\u9009\u62e9\u5f02\u5730\u591a\u5907\u4efd\u70b9\u5b58\u50a8\u65b9\u6848\u65f6\uff0c\u65e2\u8981\u8003\u8651\u6210\u672c\u4e0e\u6027\u80fd\uff0c\u4e5f\u8981\u628a\u63e1\u4e00\u81f4\u6027\u3001\u6062\u590d\u65f6\u95f4\u4e0e\u8fd0\u7ef4\u590d\u6742\u5ea6\u7b49\u6280\u672f\u7ec6\u8282\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u5b9e\u6218\u9009\u8d2d\u5efa\u8bae\u56db\u4e2a\u7ef4\u5ea6\u5c55\u5f00\uff0c\u5e2e\u52a9\u4f60\u5728\u9999\u6e2fVPS\u73af\u5883\u4e2d\u8bbe\u8ba1\u53ef\u884c\u4e14\u9ad8\u6548\u7684\u591a\u5907\u4efd\u70b9\u5b58\u50a8\u7b56\u7565\uff0c\u5e76\u4e0e\u7f8e\u56fdVPS\u3001\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u7b49\u5e38\u89c1\u9009\u62e9\u505a\u5408\u7406\u6bd4\u8f83\u3002<\/p>\n<h2>\u539f\u7406\uff1a\u591a\u5907\u4efd\u70b9\u5b58\u50a8\u7684\u5b9e\u73b0\u65b9\u5f0f\u4e0e\u5173\u952e\u6307\u6807<\/h2>\n<p>\u5f02\u5730\u591a\u5907\u4efd\u70b9\u5b58\u50a8\u672c\u8d28\u4e0a\u662f\u5c06\u6570\u636e\u5728\u591a\u4e2a\u5730\u7406\u4f4d\u7f6e\u8fdb\u884c\u590d\u5236\u6216\u7f16\u7801\u5b58\u50a8\uff0c\u4ee5\u5e94\u5bf9\u5355\u70b9\u6545\u969c\u3001\u81ea\u7136\u707e\u5bb3\u6216\u533a\u57df\u6027\u7f51\u7edc\u4e2d\u65ad\u3002\u5e38\u89c1\u5b9e\u73b0\u65b9\u5f0f\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u57fa\u4e8e\u590d\u5236\u7684\u540c\u6b65\/\u5f02\u6b65\u526f\u672c\uff08Replication\uff09\uff1a\u7b80\u5355\u76f4\u89c2\uff0c\u9002\u5408\u5bf9\u4e00\u81f4\u6027\u8981\u6c42\u9ad8\u7684\u573a\u666f\u3002\u540c\u6b65\u590d\u5236\u4fdd\u8bc1\u5199\u5165\u540c\u65f6\u5230\u8fbe\u4e24\u4e2a\u6216\u591a\u4e2a\u7ad9\u70b9\uff0c\u4f46\u4f1a\u5f15\u5165\u989d\u5916\u5ef6\u8fdf\uff1b\u5f02\u6b65\u590d\u5236\u5ef6\u8fdf\u5c0f\u4f46\u53ef\u80fd\u51fa\u73b0\u6062\u590d\u70b9\u4e22\u5931\u3002<\/li>\n<li>\u7ea0\u5220\u7801\uff08Erasure Coding\uff09\uff1a\u901a\u8fc7\u5206\u7247\u548c\u5197\u4f59\u7f16\u7801\u5b9e\u73b0\u66f4\u9ad8\u7684\u5b58\u50a8\u6548\u7387\uff0c\u9002\u5408\u51b7\u6570\u636e\u548c\u5bb9\u91cf\u654f\u611f\u573a\u666f\uff0c\u4f46\u8bfb\u53d6\u6062\u590d\u590d\u6742\u5ea6\u548c\u5ef6\u8fdf\u9ad8\u4e8e\u7b80\u5355\u590d\u5236\u3002<\/li>\n<li>\u5feb\u7167\u4e0e\u589e\u91cf\u5907\u4efd\uff08Snapshot \/ Incremental Backup\uff09\uff1a\u57fa\u4e8e\u6587\u4ef6\u7cfb\u7edf\u6216\u5757\u5b58\u50a8\u7684\u5feb\u7167\u5b9e\u73b0\u5feb\u901f\u6062\u590d\u70b9\uff0c\u901a\u5e38\u7ed3\u5408\u589e\u91cf\u4f20\u8f93\u51cf\u5c11\u5e26\u5bbd\u6d88\u8017\u3002<\/li>\n<li>\u6df7\u5408\u65b9\u6848\uff1a\u5c06\u70ed\u6570\u636e\u7528\u540c\u6b65\u6216\u8fd1\u540c\u6b65\u590d\u5236\uff0c\u51b7\u6570\u636e\u7528\u7ea0\u5220\u7801\u6216\u5bf9\u8c61\u5b58\u50a8\u505a\u957f\u671f\u5f52\u6863\u3002<\/li>\n<\/ul>\n<p>\u5728\u9009\u578b\u65f6\u5e94\u5173\u6ce8\u7684\u5173\u952e\u6307\u6807\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><b>RPO\uff08\u6062\u590d\u70b9\u76ee\u6807\uff09<\/b>\uff1a\u5bb9\u8bb8\u6570\u636e\u4e22\u5931\u7684\u65f6\u95f4\u7a97\uff0c\u51b3\u5b9a\u662f\u5426\u9700\u8981\u540c\u6b65\u590d\u5236\u6216\u9891\u7e41\u5feb\u7167\u3002<\/li>\n<li><b>RTO\uff08\u6062\u590d\u65f6\u95f4\u76ee\u6807\uff09<\/b>\uff1a\u4ece\u6545\u969c\u5230\u6062\u590d\u670d\u52a1\u7684\u65f6\u95f4\uff0c\u76f4\u63a5\u5f71\u54cd\u53ef\u7528\u6027\u8bbe\u8ba1\u3002<\/li>\n<li><b>\u541e\u5410\u4e0eIOPS<\/b>\uff1a\u6d89\u53ca\u6570\u636e\u5e93\u5199\u5165\u4e0e\u5e76\u53d1\u8bbf\u95ee\uff0c\u5c24\u5176\u5728\u9999\u6e2fVPS\u627f\u8f7d\u9ad8\u5e76\u53d1\u4e1a\u52a1\u65f6\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n<li><b>\u7f51\u7edc\u5ef6\u8fdf\u4e0e\u5e26\u5bbd<\/b>\uff1a\u8de8\u9999\u6e2f\u4e0e\u7f8e\u56fd\u7b49\u5730\u533a\u590d\u5236\u4f1a\u9047\u5230\u5ef6\u8fdf\u548c\u5e26\u5bbd\u6210\u672c\uff0c\u5e94\u91cf\u5316\u5f71\u54cd\u3002<\/li>\n<li><b>\u4e00\u81f4\u6027\u6a21\u578b<\/b>\uff1a\u5f3a\u4e00\u81f4\u6027\u3001\u6700\u7ec8\u4e00\u81f4\u6027\u6216\u53ef\u8c03\u4e00\u81f4\u6027\uff0c\u5404\u6709\u5229\u5f0a\u3002<\/li>\n<li><b>\u5b58\u50a8\u6210\u672c\u4e0e\u751f\u547d\u5468\u671f\u7ba1\u7406<\/b>\uff1a\u5305\u62ec\u51b7\u5f52\u6863\u3001\u5206\u5c42\u5b58\u50a8\u4e0e\u5220\u9664\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\uff1a\u600e\u6837\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u9009\u62e9\u5907\u4efd\u7b56\u7565<\/h2>\n<h3>\u9ad8\u53ef\u7528\u5728\u7ebf\u670d\u52a1\uff08\u4f4eRPO\u3001\u4f4eRTO\uff09<\/h3>\n<p>\u5bf9\u4e8e\u9762\u5411\u7528\u6237\u7684\u5728\u7ebf\u670d\u52a1\uff08\u5982\u7535\u5546\u3001\u5b9e\u65f6API\uff09\uff0c\u5efa\u8bae\u91c7\u7528<strong>\u591a\u6d3b\u6216\u4e3b\u5907\u540c\u6b65\u590d\u5236<\/strong>\u7b56\u7565\u3002\u9999\u6e2fVPS\u8282\u70b9\u53ef\u4ee5\u4f5c\u4e3a\u4e3b\u8981\u8ba1\u7b97\u8282\u70b9\uff0c\u5907\u4efd\u70b9\u53ef\u4ee5\u914d\u7f6e\u5728\u4e0d\u540c\u9999\u6e2f\u673a\u623f\u6216\u8fd1\u90bb\u7684\u4e9a\u6d32\u8282\u70b9\uff0c\u5fc5\u8981\u65f6\u518d\u5411\u7f8e\u56fdVPS\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u505a\u5f02\u57df\u5907\u4efd\u4ee5\u5e94\u5bf9\u533a\u57df\u6027\u4e2d\u65ad\u3002\u8981\u6ce8\u610f\u540c\u6b65\u590d\u5236\u4f1a\u589e\u52a0\u5199\u5ef6\u8fdf\uff0c\u9700\u8bc4\u4f30\u4e1a\u52a1\u53ef\u627f\u53d7\u7684\u5ef6\u8fdf\u9608\u503c\u3002<\/p>\n<h3>\u6570\u636e\u5e93\u4e0e\u72b6\u6001\u6570\u636e\u4fdd\u62a4<\/h3>\n<p>\u5173\u7cfb\u578b\u6570\u636e\u5e93\u548c\u5206\u5e03\u5f0fKV\u901a\u5e38\u8981\u6c42\u8f83\u5f3a\u4e00\u81f4\u6027\u3002\u5e38\u89c1\u505a\u6cd5\u662f\uff1a<\/p>\n<ul>\n<li>\u91c7\u7528\u4e3b\u4ece\u590d\u5236\u5e76\u5f00\u542f\u534a\u540c\u6b65\u6216\u540c\u6b65\u590d\u5236\uff08\u6839\u636eRPO\u51b3\u5b9a\uff09\uff1b<\/li>\n<li>\u5b9a\u671f\u89e6\u53d1\u4e00\u81f4\u6027\u5feb\u7167\uff08\u5982RDB\u3001WAL\u5f52\u6863\uff09\uff0c\u5e76\u5c06\u589e\u91cf\u63a8\u9001\u5230\u5f02\u5730\u5907\u4efd\u70b9\uff1b<\/li>\n<li>\u4f7f\u7528\u7269\u7406\u5907\u4efd\u5de5\u5177\uff08\u5982xtrabackup\u3001pg_basebackup\uff09\u4e0e\u6821\u9a8c\u7b56\u7565\u786e\u4fdd\u5907\u4efd\u53ef\u6062\u590d\u6027\u3002<\/li>\n<\/ul>\n<h3>\u65e5\u5fd7\u3001\u6587\u4ef6\u4e0e\u5f52\u6863\uff08\u5bb9\u91cf\u4f18\u5148\uff09<\/h3>\n<p>\u5bf9\u4e8e\u65e5\u5fd7\u548c\u957f\u671f\u5f52\u6863\uff0c\u53ef\u4ee5\u4f18\u5148\u8003\u8651\u5bf9\u8c61\u5b58\u50a8\u6216\u542f\u7528\u7ea0\u5220\u7801\u7684\u5206\u5e03\u5f0f\u5b58\u50a8\u6765\u964d\u4f4e\u6210\u672c\u3002\u589e\u91cf\u5907\u4efd\u4e0e\u751f\u547d\u5468\u671f\u7b56\u7565\uff08\u4f8b\u598230\u5929\u70ed\u5b58\u50a8\u300190\u5929\u51b7\u5b58\u50a8\uff09\u80fd\u663e\u8457\u8282\u7701\u8d39\u7528\u3002<\/p>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u590d\u5236 vs \u7ea0\u5220\u7801 vs \u5feb\u7167\u7684\u6743\u8861<\/h2>\n<p>\u4e0b\u9762\u6bd4\u8f83\u4e09\u79cd\u4e3b\u6d41\u7b56\u7565\u5728\u6210\u672c\u3001\u6027\u80fd\u4e0e\u6062\u590d\u590d\u6742\u5ea6\u65b9\u9762\u7684\u7279\u70b9\uff1a<\/p>\n<ul>\n<li><b>\u590d\u5236\uff08Replication\uff09<\/b>\uff1a\u6062\u590d\u901f\u5ea6\u5feb\u3001\u5b9e\u73b0\u7b80\u5355\u3001\u5bf9RTO\u53cb\u597d\uff0c\u4f46\u5b58\u50a8\u6548\u7387\u4f4e\uff08\u591a\u4efd\u6570\u636e\uff09\u3002\u9002\u5408\u70ed\u6570\u636e\u4e0e\u9ad8\u4e00\u81f4\u6027\u9700\u6c42\u3002<\/li>\n<li><b>\u7ea0\u5220\u7801\uff08Erasure Coding\uff09<\/b>\uff1a\u5b58\u50a8\u6548\u7387\u9ad8\u3001\u6210\u672c\u4f4e\uff0c\u9002\u5408\u5927\u5bb9\u91cf\u51b7\u6570\u636e\uff0c\u4f46\u6062\u590d\u65f6\u9700\u8981\u591a\u4e2a\u6570\u636e\u7247\u5e76\u884c\u91cd\u5efa\uff0cRTO\u53ef\u80fd\u8f83\u9ad8\u3002<\/li>\n<li><b>\u5feb\u7167\uff08Snapshots\uff09<\/b>\uff1a\u9002\u5408\u77ed\u671f\u56de\u6eda\u4e0e\u6301\u7eed\u5907\u4efd\uff0c\u914d\u5408\u589e\u91cf\u4f20\u8f93\u53ef\u4ee5\u4f18\u5316\u5e26\u5bbd\u3002\u4f9d\u8d56\u5e95\u5c42\u5b58\u50a8\u652f\u6301\uff0c\u5bf9\u6587\u4ef6\u7cfb\u7edf\u6216\u5757\u5b58\u50a8\u4e00\u81f4\u6027\u8981\u6c42\u8f83\u9ad8\u3002<\/li>\n<\/ul>\n<p>\u5728\u5b9e\u9645\u90e8\u7f72\u4e2d\uff0c\u5e38\u628a\u590d\u5236\u7528\u4e8e\u70ed\u6570\u636e\u3001\u7ea0\u5220\u7801\u7528\u4e8e\u51b7\u5f52\u6863\u3001\u5feb\u7167\u7528\u4e8e\u5feb\u901f\u56de\u6eda\uff0c\u5f62\u6210\u5206\u5c42\u5b58\u50a8\u7b56\u7565\u3002<\/p>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff1a\u4ece\u6280\u672f\u4e0e\u4f9b\u5e94\u5546\u89d2\u5ea6\u505a\u51b3\u7b56<\/h2>\n<p>\u5728\u4e3a\u9999\u6e2fVPS\u9009\u8d2d\u5f02\u5730\u591a\u5907\u4efd\u70b9\u5b58\u50a8\u65f6\uff0c\u5efa\u8bae\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<ul>\n<li><b>\u660e\u786eRPO\/RTO\u76ee\u6807<\/b>\uff1a\u8fd9\u662f\u6240\u6709\u8bbe\u8ba1\u7684\u51fa\u53d1\u70b9\u3002\u82e5RPO\u63a5\u8fd10\uff0c\u9700\u540c\u6b65\u591a\u6d3b\u6216\u534a\u540c\u6b65\u590d\u5236\uff1b\u82e5RPO\u53ef\u4ee5\u63a5\u53d7\u5206\u949f\u7ea7\u6216\u5c0f\u65f6\u7ea7\uff0c\u5f02\u6b65\u590d\u5236\u6216\u5feb\u7167\u5373\u53ef\u3002<\/li>\n<li><b>\u8bc4\u4f30\u7f51\u7edc\u6761\u4ef6<\/b>\uff1a\u6d4b\u91cf\u672c\u5730\uff08\u9999\u6e2f\uff09\u4e0e\u5907\u4efd\u70b9\uff08\u53ef\u80fd\u4f4d\u4e8e\u7f8e\u56fd\u6216\u9999\u6e2f\u4e0d\u540c\u673a\u623f\uff09\u4e4b\u95f4\u7684RTT\u4e0e\u5e26\u5bbd\u7a33\u5b9a\u6027\u3002\u5bf9\u8de8\u6d32\uff08\u5982\u9999\u6e2f\u5230\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS\uff09\u590d\u5236\uff0c\u9700\u8003\u8651\u516c\u7f51\u5e26\u5bbd\u6ce2\u52a8\u548c\u8de8\u5883\u94fe\u8defQoS\u3002<\/li>\n<li><b>\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u7c7b\u578b<\/b>\uff1a\u8003\u8651SSD\u3001NVMe\u7528\u4e8e\u9ad8IOPS\u9700\u6c42\uff0cHDD\u6216\u5bf9\u8c61\u5b58\u50a8\u7528\u4e8e\u51b7\u6570\u636e\u3002\u82e5\u4f7f\u7528\u7ea0\u5220\u7801\uff0c\u786e\u8ba4\u5b58\u50a8\u8282\u70b9\u5206\u5e03\u4e0e\u91cd\u5efa\u7b56\u7565\u3002<\/li>\n<li><b>\u6570\u636e\u4e00\u81f4\u6027\u4e0e\u5e94\u7528\u96c6\u6210<\/b>\uff1a\u6570\u636e\u5e93\u9700\u4fdd\u8bc1\u5907\u4efd\u7684\u4e00\u81f4\u6027\u70b9\uff08quiesce\u673a\u5236\u3001WAL\u6d41\uff09\u3002\u5bf9\u4e8e\u5206\u5e03\u5f0f\u5e94\u7528\uff0c\u91c7\u7528\u5e94\u7528\u5c42\u7684\u5feb\u7167\u534f\u8c03\u6216\u4f7f\u7528\u4e8b\u52a1\u65e5\u5fd7\u4e3a\u4e3b\u3002<\/li>\n<li><b>\u81ea\u52a8\u5316\u4e0e\u6d4b\u8bd5<\/b>\uff1a\u5907\u4efd\u81ea\u52a8\u5316\u3001\u6062\u590d\u6f14\u7ec3\u53ca\u5907\u4efd\u5b8c\u6574\u6027\u6821\u9a8c\uff08\u6821\u9a8c\u548c\uff09\u4e0d\u80fd\u5ffd\u89c6\u3002\u5b9a\u671f\u505a\u707e\u5907\u6f14\u7ec3\u53ef\u9a8c\u8bc1RTO\u662f\u5426\u53ef\u8fbe\u3002<\/li>\n<li><b>\u6210\u672c\u63a7\u5236<\/b>\uff1a\u8981\u628a\u5b58\u50a8\u8d39\u7528\u3001\u8de8\u57df\u4f20\u8f93\u8d39\u7528\u548c\u8bfb\/\u5199IO\u8d39\u7528\u90fd\u7eb3\u5165\u9884\u7b97\u3002\u5206\u5c42\u5b58\u50a8\u4e0e\u751f\u547d\u5468\u671f\u7b56\u7565\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u957f\u671f\u6210\u672c\u3002<\/li>\n<li><b>\u5408\u89c4\u4e0e\u6570\u636e\u4e3b\u6743<\/b>\uff1a\u6839\u636e\u4e1a\u52a1\u6027\u8d28\u9009\u62e9\u5b58\u50a8\u4f4d\u7f6e\u4e0e\u52a0\u5bc6\u7b56\u7565\uff0c\u67d0\u4e9b\u884c\u4e1a\u5bf9\u8de8\u5883\u5b58\u50a8\u6709\u4e25\u683c\u9650\u5236\u3002<\/li>\n<li><b>\u76d1\u63a7\u4e0e\u544a\u8b66<\/b>\uff1a\u90e8\u7f72\u5907\u4efd\u4efb\u52a1\u7684\u6210\u529f\u7387\u3001\u6570\u636e\u5b8c\u6574\u6027\u6821\u9a8c\u3001\u5ef6\u8fdf\u548c\u6062\u590d\u901f\u5ea6\u7684\u5b9e\u65f6\u76d1\u63a7\uff0c\u5e76\u914d\u7f6e\u544a\u8b66\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h3>\u5b9e\u6218\u7b56\u7565\u793a\u4f8b<\/h3>\n<p>\u53ef\u53c2\u7167\u4e0b\u9762\u7684\u5b9e\u6218\u7ec4\u5408\uff1a<\/p>\n<ul>\n<li>\u5728\u7ebf\u4ea4\u6613\u7cfb\u7edf\uff1a\u9999\u6e2fVPS\u4e3b\u8282\u70b9 + \u540c\u57ce\u540c\u6b65\u526f\u672c\uff08\u4f4e\u5ef6\u8fdf\uff09+ 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