{"id":33640,"date":"2026-10-16T10:00:00","date_gmt":"2026-10-16T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33640"},"modified":"2026-10-20T12:56:34","modified_gmt":"2026-10-20T04:56:34","slug":"vps-oversell-shared-dedicated-cpu","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/vps-oversell-shared-dedicated-cpu\/","title":{"rendered":"VPS \u9009\u8d2d\u522b\u53ea\u6bd4\u6838\u6570\uff1a\u56db\u4e2a\u6570\u636e\u70b9\u6d4b\u51fa\u771f\u5b9e\u7b97\u529b"},"content":{"rendered":"

\"\u4e00\u53f0\u7269\u7406\u670d\u52a1\u5668\u88ab\u5212\u5206\u4e3a\u591a\u4e2a\u865a\u62df\u670d\u52a1\u5668\u7684\u793a\u610f\u63d2\u56fe\uff0c\u4f53\u73b0<\/p>\n

\u540c\u6837\u6807\u7740”4 \u6838 8G”\u7684\u4e24\u53f0 VPS<\/a>\uff08Virtual Private Server\uff0c\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\uff0c\u4e00\u53f0\u6bcf\u6708\u51e0\u5341\u5143\uff0c\u4e00\u53f0\u8981\u597d\u51e0\u767e\uff0c\u8dd1\u540c\u4e00\u4e2a\u7f51\u7ad9\u7684\u6027\u80fd\u5374\u53ef\u80fd\u5dee\u51fa\u4e00\u500d\u4ee5\u4e0a\u3002\u4e3a\u4ec0\u4e48\u914d\u7f6e\u8868\u51e0\u4e4e\u4e00\u6837\uff0c\u5b9e\u9645\u5dee\u8ddd\u5374\u8fd9\u4e48\u5927\uff1f\u6bd4\u4ef7\u65f6\u5982\u679c\u53ea\u76ef\u7740\u6838\u6570\uff0c\u5f88\u5bb9\u6613\u628a\u94b1\u82b1\u5728\u7eb8\u9762\u6570\u5b57\u4e0a\u3002\u8fd9\u7bc7\u6587\u7ae0\u5e2e\u4f60\u89e3\u51b3\u8fd9\u4e2a\u5224\u65ad\u96be\u9898\uff1a\u4e0d\u91cd\u590d\u8d85\u552e\u7684\u6982\u5ff5\u5b9a\u4e49\uff0c\u800c\u662f\u7ed9\u4e00\u5957\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u7684\u9a8c\u8d27\u65b9\u6cd5\u2014\u2014\u7528 steal time\u3001\u9ad8\u5cf0\u538b\u6d4b\u3001\u957f\u538b\u529b\u6d4b\u8bd5\u548c\u78c1\u76d8 I\/O \u56db\u4e2a\u6570\u636e\u70b9\uff0c\u5728\u4e0b\u5355\u524d\u6216\u9000\u6b3e\u7a97\u53e3\u5185\u6d4b\u51fa\u4e00\u53f0 VPS \u7684\u771f\u5b9e\u7b97\u529b\u3002\u6bcf\u4e2a\u6570\u636e\u70b9\u90fd\u9644\u5177\u4f53\u547d\u4ee4\u548c\u5224\u65ad\u9608\u503c\uff0c\u7167\u7740\u8dd1\u4e00\u904d\uff0c\u5c31\u77e5\u9053\u624b\u91cc\u7684\u673a\u5668\u503c\u4e0d\u503c\u8fd9\u4e2a\u4ef7\u3002\u5f00\u59cb\u4e4b\u524d\uff0c\u53ef\u4ee5\u5148\u6d4f\u89c8 Hostease \u535a\u5ba2\u7684\u670d\u52a1\u5668\u5206\u7c7b\u6587\u7ae0<\/a>\uff0c\u5bf9\u4e3b\u673a\u7c7b\u578b\u7684\u6574\u4f53\u5206\u5de5\u6709\u4e2a\u5e95\u3002<\/p>\n

\u4e3a\u4ec0\u4e48”\u540c\u914d\u7f6e\u4e0d\u540c\u4ef7”\u662f\u5e38\u6001<\/h2>\n

\u8981\u7406\u89e3\u4ef7\u683c\u5dee\u5f02\uff0c\u5f97\u5148\u56de\u5230 VPS \u7684\u6280\u672f\u5e95\u5ea7\uff1a\u865a\u62df\u5316\u3002\u670d\u52a1\u5546\u5728\u4e00\u53f0\u7269\u7406\u670d\u52a1\u5668<\/a>\u4e0a\u901a\u8fc7\u865a\u62df\u5316\u5c42\u5207\u51fa\u591a\u4e2a VPS\uff0c\u6bcf\u4e2a VPS \u770b\u8d77\u6765\u90fd\u62e5\u6709\u72ec\u7acb\u7684 CPU\u3001\u5185\u5b58\u548c\u78c1\u76d8\u3002\u95ee\u9898\u5728\u4e8e\uff0c”\u770b\u8d77\u6765\u62e5\u6709”\u548c”\u5b9e\u9645\u72ec\u5360”\u662f\u4e24\u56de\u4e8b\u3002<\/p>\n

\u6bcd\u673a\u4e0a\u7269\u7406\u6838\u5fc3\u53ea\u6709\u90a3\u4e48\u591a\u3002\u5047\u8bbe\u4e00\u53f0\u6bcd\u673a\u6709 32 \u4e2a\u7269\u7406\u6838\u5fc3\uff0c\u670d\u52a1\u5546\u5728\u4e0a\u9762\u5207\u4e86 40 \u53f0 4 \u6838 VPS\uff0c\u5408\u8ba1\u5c31\u662f 160 \u4e2a vCPU\u2014\u2014\u7269\u7406\u7b97\u529b\u7684 5 \u500d\u3002\u8fd9\u5c31\u662f\u8d85\u552e\u3002\u53ea\u8981\u8fd9\u4e9b VPS \u4e0d\u540c\u65f6\u6ee1\u8f7d\uff0c\u5927\u5bb6\u76f8\u5b89\u65e0\u4e8b\uff1b\u53ef\u4e00\u65e6\u591a\u53f0\u540c\u65f6\u8dd1\u91cd\u8d1f\u8f7d\uff0c\u7269\u7406\u6838\u5fc3\u5c31\u6210\u4e86\u62a2\u624b\u8d27\uff0c\u6bcf\u53f0 VPS \u5206\u5230\u7684\u771f\u5b9e\u7b97\u529b\u4f1a\u88ab\u8fc5\u901f\u7a00\u91ca\u3002<\/p>\n

\u8fd9\u79cd\u6a21\u5f0f\u672c\u8eab\u5e76\u4e0d\u7b49\u4e8e\u9a97\u5c40\u3002\u5171\u4eab\u578b\u8d44\u6e90\u662f\u4e91\u884c\u4e1a\u628a\u6210\u672c\u644a\u8584\u3001\u628a\u4f4e\u4ef7\u505a\u4e0b\u6765\u7684\u57fa\u7840\uff0c\u591a\u6570\u5165\u95e8\u7ea7 VPS \u90fd\u5c5e\u4e8e\u8fd9\u4e00\u7c7b\u3002\u771f\u6b63\u7684\u95ee\u9898\u662f\u4fe1\u606f\u4e0d\u5bf9\u79f0\uff1a\u91c7\u8d2d\u9875\u53ea\u5199”4 \u6838”\uff0c\u4e0d\u5199\u8fd9 4 \u4e2a\u6838\u662f\u72ec\u4eab\u8fd8\u662f\u5171\u4eab\u3001\u8d85\u552e\u6bd4\u4f8b\u662f\u591a\u5c11\u3002\u4e8e\u662f\u540c\u6837\u6807 4 \u6838\u7684\u4e24\u53f0\u673a\u5668\uff0c\u4e00\u53f0\u53ef\u80fd\u59cb\u7ec8\u8dd1\u5f97\u52a8\uff0c\u53e6\u4e00\u53f0\u5728\u665a\u9ad8\u5cf0 CPU \u6392\u961f\u4e25\u91cd\u3002\u9009\u8d2d\u65f6\u4f60\u8981\u505a\u7684\uff0c\u4e0d\u662f\u4e00\u5473\u907f\u5f00\u5171\u4eab\u8d44\u6e90\uff0c\u800c\u662f\u8bc6\u522b\u8d85\u552e\u662f\u5426\u8fc7\u5ea6\u3001\u670d\u52a1\u5546\u662f\u5426\u7ed9\u5171\u4eab\u578b\u8d1f\u8f7d\u5212\u5b9a\u4e86\u516c\u5e73\u5e95\u7ebf\u3002<\/p>\n

\u5171\u4eab\u6838\u4e0e\u72ec\u4eab\u6838\uff1a\u5dee\u5f02\u5230\u5e95\u5728\u54ea<\/h2>\n

\u5171\u4eab\u6838\u6307\u591a\u4e2a VPS \u7684 vCPU \u6620\u5c04\u5230\u540c\u4e00\u6279\u7269\u7406\u6838\u5fc3\u3001\u6309\u65f6\u95f4\u7247\u8f6e\u6d41\u4f7f\u7528\uff1b\u72ec\u4eab\u6838\u5219\u4fdd\u8bc1\u67d0\u4e2a vCPU \u72ec\u5360\u4e00\u4e2a\u7269\u7406\u6838\u5fc3\u6216\u8d85\u7ebf\u7a0b\uff0c\u4e0d\u53d7\u90bb\u5c45\u8d1f\u8f7d\u5f71\u54cd\u3002\u4e24\u8005\u7684\u5dee\u5f02\u53ef\u4ee5\u4ece\u4e09\u4e2a\u7ef4\u5ea6\u91cf\u5316\uff1a<\/p>\n

CPU steal time \u662f\u6700\u76f4\u63a5\u7684\u8bc1\u636e\u3002<\/strong> \u5728 Linux \u91cc\u6267\u884c top<\/code> \u6216 vmstat 1<\/code>\uff0c\u770b st<\/code> \u8fd9\u4e00\u5217\uff1a\u5b83\u8868\u793a\u865a\u62df\u673a\u7b49\u5f85\u7269\u7406 CPU \u5374\u88ab\u5bbf\u4e3b\u673a\u632a\u7528\u7684\u65f6\u95f4\u767e\u5206\u6bd4\u3002\u5171\u4eab\u6838\u673a\u5668\u5728\u90bb\u5c45\u7e41\u5fd9\u65f6 st \u53ef\u8fbe 5%-20% \u751a\u81f3\u66f4\u9ad8\uff1b\u72ec\u4eab\u6838\u673a\u5668\u901a\u5e38\u957f\u671f\u63a5\u8fd1 0%\u3002\u8fde\u7eed\u89c2\u5bdf 24 \u5c0f\u65f6\uff0cst \u5747\u503c\u8d85\u8fc7 5% \u5c31\u8981\u8b66\u60d5\u8fc7\u5ea6\u8d85\u552e\u3002<\/p>\n

\u7a81\u53d1\u6027\u80fd\u7684\u8868\u73b0\u5b8c\u5168\u4e0d\u540c\u3002<\/strong> \u5171\u4eab\u6838\u673a\u578b\u5e38\u89c1”\u7a81\u53d1\u989d\u5ea6”\u673a\u5236\uff1a\u5e73\u65f6\u9650\u5236\u5728\u57fa\u51c6\u9891\u7387\uff08\u6bd4\u5982\u5355\u6838 20%\uff09\uff0c\u77ed\u65f6\u53ef\u51b2\u5230 100%\uff0c\u989d\u5ea6\u8017\u5c3d\u540e\u964d\u901f\u3002\u8dd1\u4e00\u6b21\u6570\u636e\u5e93\u5bfc\u51fa\u6216\u7f51\u7ad9\u5907\u4efd\u5c31\u53ef\u80fd\u628a\u989d\u5ea6\u70e7\u5149\uff0c\u4e4b\u540e\u540c\u6837\u7684\u4efb\u52a1\u8017\u65f6\u7ffb\u500d\u3002\u72ec\u4eab\u6838\u6ca1\u6709\u8fd9\u79cd\u9690\u5f62\u5929\u82b1\u677f\uff0c\u6027\u80fd\u66f2\u7ebf\u5e73\u7a33\uff0c\u9002\u5408\u6301\u7eed\u8d1f\u8f7d\u3002<\/p>\n

\u5ef6\u8fdf\u654f\u611f\u578b\u4e1a\u52a1\u53d7\u5f71\u54cd\u6700\u5927\u3002<\/strong> \u7535\u5546\u5927\u4fc3\u3001\u76f4\u64ad\u63a8\u6d41\u3001\u5b9e\u65f6 API \u8fd9\u7c7b\u573a\u666f\u5bf9 CPU \u6392\u961f\u6781\u5176\u654f\u611f\u3002\u793e\u533a\u91cc\u5927\u91cf\u5b9e\u6d4b\u6570\u636e\u90fd\u6307\u5411\u540c\u4e00\u4e2a\u89c4\u5f8b\uff1a\u540c\u4e00\u53f0\u5171\u4eab\u6838\u673a\u5668\u5728\u4e0d\u540c\u65f6\u6bb5\u8dd1\u540c\u4e00\u6761 sysbench --threads=4 --time=30 cpu<\/code> \u547d\u4ee4\uff0c\u6bcf\u79d2\u4e8b\u4ef6\u6570\uff08events\/s\uff09\u5dee\u8ddd\u53ef\u8fbe 40% \u4ee5\u4e0a\uff1b\u800c\u72ec\u4eab\u6838\u673a\u578b\u7684\u6ce2\u52a8\u4e00\u822c\u63a7\u5236\u5728\u4e2a\u4f4d\u6570\u767e\u5206\u6bd4\u3002\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u5bf9\u54cd\u5e94\u65f6\u95f4\u6709 SLA \u627f\u8bfa\uff0c\u8fd9\u4e2a\u5dee\u8ddd\u5c31\u662f\u9009\u8d2d\u65f6\u7684\u51b3\u5b9a\u6027\u56e0\u7d20\u3002<\/p>\n

\"\u5171\u4eab\u6838\u4e0e\u72ec\u4eab\u6838\u8d44\u6e90\u5206\u914d\u5bf9\u6bd4\u63d2\u56fe\uff1a\u5de6\u4fa7\u4e00\u4e2a\u7269\u7406\u6838\u5fc3\u88ab\u591a\u53f0\u865a\u62df\u673a\u5206\u62a2\uff0c\u53f3\u4fa7\u4e00\u53f0\u865a\u62df\u673a\u72ec\u5360\u6574\u4e2a\u6838\u5fc3\"<\/p>\n

\u4e0b\u5355\u524d\u540e\uff1a\u56db\u6b65\u8bc6\u522b\u8fc7\u5ea6\u8d85\u552e<\/h2>\n

\u5224\u65ad\u4e00\u53f0 VPS \u662f\u5426\u88ab\u8fc7\u5ea6\u8d85\u552e\uff0c\u4e0d\u9700\u8981\u6602\u8d35\u7684\u76d1\u63a7\u5de5\u5177\uff0c\u56db\u6761\u547d\u4ee4\u5c31\u80fd\u8986\u76d6\u5927\u90e8\u5206\u573a\u666f\u3002<\/p>\n

\u7b2c\u4e00\u6b65\uff1a\u770b steal time \u7684\u57fa\u7ebf\u3002<\/strong> \u62ff\u5230\u673a\u5668\u540e\u5148\u8dd1 vmstat 1 60<\/code>\uff0c\u8fde\u7eed\u89c2\u5bdf\u4e00\u5206\u949f\uff0c\u8bb0\u5f55 st<\/code> \u5217\u7684\u5e73\u5747\u503c\u3002\u521a\u5f00\u673a\u3001\u65e0\u90bb\u5c45\u8d1f\u8f7d\u65f6 st \u5e94\u63a5\u8fd1 0\uff1b\u5982\u679c\u7a7a\u95f2\u65f6\u6bb5\u5c31\u5e38\u9a7b 3% \u4ee5\u4e0a\uff0c\u8bf4\u660e\u6bcd\u673a\u672c\u8eab\u5df2\u7ecf\u5f88\u62e5\u6324\u3002<\/p>\n

\u7b2c\u4e8c\u6b65\uff1a\u5728\u4e1a\u52a1\u9ad8\u5cf0\u65f6\u6bb5\u590d\u6d4b\u3002<\/strong> \u7a7a\u95f2\u65f6\u6bb5\u7684\u6570\u636e\u4f1a\u9a97\u4eba\uff0c\u8d85\u552e\u7684\u5f71\u54cd\u96c6\u4e2d\u5728\u665a\u9ad8\u5cf0\uff08\u56fd\u5185\u4e1a\u52a1\u4e00\u822c\u5728 20:00-23:00\uff09\u3002\u7528 sysbench cpu --threads=4 --time=60 run<\/code> \u5728\u9ad8\u5cf0\u671f\u8dd1\u4e00\u8f6e\uff0c\u540c\u65f6\u53e6\u5f00\u7ec8\u7aef\u6267\u884c vmstat 1<\/code>\uff0c\u5bf9\u6bd4\u4e24\u6b21\u7684 events\/s \u548c st \u503c\u3002\u9ad8\u5cf0\u671f\u6027\u80fd\u6bd4\u7a7a\u95f2\u671f\u6389 30% \u4ee5\u4e0a\uff0c\u57fa\u672c\u53ef\u4ee5\u5224\u5b9a\u8d85\u552e\u6bd4\u4f8b\u504f\u9ad8\u3002<\/p>\n

\u7b2c\u4e09\u6b65\uff1a\u7528\u957f\u538b\u529b\u6d4b\u8bd5\u66b4\u9732\u8c03\u5ea6\u6392\u961f\u3002<\/strong> \u77ed\u6d4b\u8bd5\u5bb9\u6613\u88ab\u65f6\u95f4\u7247\u8c03\u5ea6\u63a9\u76d6\u95ee\u9898\uff0c\u5efa\u8bae\u8dd1 stress-ng --cpu 4 --timeout 600 --metrics-brief<\/code> \u6301\u7eed 10 \u5206\u949f\uff0c\u89c2\u5bdf\u541e\u5410\u91cf\u662f\u5426\u968f\u65f6\u95f4\u8870\u51cf\u3002\u7a81\u53d1\u578b\u5171\u4eab\u6838\u673a\u5668\u901a\u5e38\u5728\u51e0\u5206\u949f\u5185\u51fa\u73b0\u660e\u663e\u4e0b\u6ed1\uff0c\u800c\u72ec\u4eab\u6838\u673a\u5668\u7684\u66f2\u7ebf\u4fdd\u6301\u6c34\u5e73\u3002<\/p>\n

\u7b2c\u56db\u6b65\uff1a\u770b\u78c1\u76d8 I\/O \u548c\u7f51\u7edc\u662f\u5426\u540c\u6837\u8d85\u5356\u3002<\/strong> CPU \u4e4b\u5916\uff0c\u7528 fio --name=test --rw=randread --bs=4k --iodepth=32 --runtime=60 --time_based<\/code> \u6d4b\u968f\u673a\u8bfb\u5199 IOPS\uff0c\u7528 iperf3<\/code> \u6d4b\u7f51\u7edc\u5e26\u5bbd\uff08\u5355\u4f4d\u65f6\u95f4\u5185\u7f51\u7edc\u94fe\u8def\u80fd\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff09\u3002\u4e0d\u5c11\u4f4e\u4ef7\u673a\u7684\u5957\u8def\u662f CPU \u8c08\u5224\u7ed9\u8db3\u3001I\/O \u4e25\u91cd\u8d85\u5356\uff0c\u6570\u636e\u5e93\u7c7b\u4e1a\u52a1\u8e29\u8fd9\u91cc\u7684\u5751\u6700\u591a\u3002<\/p>\n

\u8fd9\u56db\u6b65\u7684\u7ed3\u679c\u8981\u653e\u5728\u540c\u4e00\u65f6\u6bb5\u3001\u540c\u4e00\u8d1f\u8f7d\u6a21\u578b\u4e0b\u5bf9\u6bd4\u624d\u6709\u610f\u4e49\u3002\u9009\u8d2d\u591a\u53f0\u673a\u5668\u65f6\uff0c\u5efa\u8bae\u628a\u6bcf\u53f0\u673a\u5668\u7684 vmstat\u3001sysbench\u3001fio \u6570\u636e\u8bb0\u6210\u8868\u683c\uff0c\u7528\u6570\u5b57\u800c\u4e0d\u662f\u5ba3\u4f20\u9875\u505a\u51b3\u7b56\u3002<\/p>\n

\"VPS<\/p>\n

\u4ec0\u4e48\u4e1a\u52a1\u8be5\u9009\u72ec\u4eab\uff0c\u4ec0\u4e48\u4e1a\u52a1\u5171\u4eab\u6838\u591f\u7528<\/h2>\n

\u4e0d\u662f\u6240\u6709\u4e1a\u52a1\u90fd\u9700\u8981\u4e3a\u72ec\u4eab\u6838\u4ed8\u6ea2\u4ef7\uff0c\u9009\u9519\u65b9\u5411\u8981\u4e48\u6d6a\u8d39\u9884\u7b97\u3001\u8981\u4e48\u57cb\u4e0b\u9690\u60a3\u3002\u5224\u65ad\u7684\u6838\u5fc3\u662f\u8d1f\u8f7d\u66f2\u7ebf\u548c\u5ef6\u8fdf\u654f\u611f\u5ea6\u3002<\/p>\n

\u9002\u5408\u72ec\u4eab\u6838\u7684\u573a\u666f<\/strong>\uff1a\u6570\u636e\u5e93\uff08MySQL\u3001PostgreSQL\uff09\u3001\u6d88\u606f\u961f\u5217\u3001\u6301\u7eed\u8fd0\u884c\u7684\u722c\u866b\u3001\u5b9e\u65f6 API \u7f51\u5173\u3002\u8fd9\u4e9b\u8d1f\u8f7d\u7684\u7279\u70b9\u662f CPU \u4f7f\u7528\u7387\u9ad8\u4e14\u6301\u7eed\uff0c\u5bf9\u5c3e\u5ef6\u8fdf\u654f\u611f\u3002\u4ee5\u4e00\u4e2a\u65e5\u5747 10 \u4e07\u8ba2\u5355\u7684\u7535\u5546\u540e\u53f0\u4e3a\u4f8b\uff0cMySQL \u5728\u4fc3\u9500\u65f6\u6bb5 CPU \u5e38\u9a7b 60% \u4ee5\u4e0a\uff0c\u5171\u4eab\u6838\u4e00\u65e6\u9047\u5230\u90bb\u5c45\u62a2\u6838\uff0c\u67e5\u8be2\u5ef6\u8fdf\u4ece 20ms \u98d9\u5230 200ms\uff0c\u524d\u7aef\u4e0b\u5355\u63a5\u53e3\u5c31\u4f1a\u8d85\u65f6\u62a5\u9519\u3002\u8fd9\u7c7b\u4e1a\u52a1\u4e3a\u72ec\u4eab\u6838\u591a\u4ed8\u7684\u94b1\uff0c\u8fdc\u4f4e\u4e8e\u4e00\u6b21\u6545\u969c\u635f\u5931\u7684\u8ba2\u5355\u3002<\/p>\n

\u5171\u4eab\u6838\u591f\u7528\u7684\u573a\u666f<\/strong>\uff1a\u4f01\u4e1a\u5b98\u7f51\u3001\u5c55\u793a\u578b WordPress \u7ad9\u3001\u4f4e\u9891\u5185\u90e8\u7cfb\u7edf\u3001\u6d4b\u8bd5\u73af\u5883\u3002\u4e00\u4e2a\u65e5\u5747 PV 5000 \u4ee5\u4e0b\u7684\u4f01\u4e1a\u7ad9\uff0cCPU \u5747\u503c\u901a\u5e38\u4e0d\u5230 10%\uff0c\u5171\u4eab\u6838\u7684\u57fa\u51c6\u914d\u989d\u5b8c\u5168\u8986\u76d6\uff0c\u4ef7\u683c\u5374\u53ea\u6709\u72ec\u4eab\u65b9\u6848\u7684\u4e09\u5206\u4e4b\u4e00\u5230\u4e00\u534a\u3002\u628a\u9884\u7b97\u7701\u4e0b\u6765\u52a0\u5185\u5b58\u6216\u4e0a CDN\uff08Content Delivery Network\uff0c\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\uff0c\u5bf9\u8bbf\u95ee\u4f53\u9a8c\u7684\u63d0\u5347\u66f4\u660e\u663e\u3002<\/p>\n

\u4e2d\u95f4\u5730\u5e26\u7684\u5904\u7406\u65b9\u5f0f<\/strong>\uff1a\u8d1f\u8f7d\u6ce2\u52a8\u5927\u4f46\u5cf0\u503c\u8981\u6c42\u9ad8\u7684\u4e1a\u52a1\uff08\u6bd4\u5982\u5de5\u4f5c\u65e5\u767d\u5929\u7a7a\u95f2\u3001\u6d3b\u52a8\u65e5\u7206\u53d1\u7684\u8425\u9500\u7ad9\uff09\uff0c\u53ef\u4ee5\u8003\u8651\u7a81\u53d1\u578b\u5171\u4eab\u6838\u52a0\u76d1\u63a7\u544a\u8b66\u7684\u7ec4\u5408\uff1a\u7528 vmstat<\/code> \u914d\u5408 cron \u6bcf\u5206\u949f\u8bb0\u5f55 st \u503c\uff0c\u8d85\u8fc7\u9608\u503c\u5c31\u89e6\u53d1\u8fc1\u79fb\u9884\u6848\u3002\u8fd9\u6837\u7528\u5171\u4eab\u6838\u7684\u4ef7\u683c\u62ff\u5230\u63a5\u8fd1\u72ec\u4eab\u7684\u4f53\u9a8c\uff0c\u4ee3\u4ef7\u662f\u9700\u8981\u591a\u4e00\u5c42\u8fd0\u7ef4\u51c6\u5907\u3002<\/p>\n

\u5982\u679c\u4e0d\u786e\u5b9a\u81ea\u5df1\u7684\u4e1a\u52a1\u5c5e\u4e8e\u54ea\u4e00\u7c7b\uff0c\u53ef\u4ee5\u5148\u6309\u5171\u4eab\u6838\u914d\u7f6e\u4e0a\u7ebf\uff0c\u538b\u6d4b\u6570\u636e\u7559\u6863\uff0c\u51fa\u73b0 st \u6301\u7eed\u8d85\u6807\u518d\u65e0\u7f1d\u5347\u7ea7\u5230\u72ec\u4eab\u65b9\u6848\u3002\u9009\u8d2d\u65f6\u4e5f\u53ef\u4ee5\u76f4\u63a5\u5bf9\u6bd4 Hostease VPS<\/a> \u5404\u6863\u4f4d\u5bf9\u8d44\u6e90\u7c7b\u578b\u7684\u8bf4\u660e\uff0c\u628a\u72ec\u4eab\u4e0e\u5171\u4eab\u7684\u754c\u7ebf\u786e\u8ba4\u6e05\u695a\u518d\u4e0b\u5355\u3002<\/p>\n

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    \n
  1. \u770b TOS\/AUP \u6761\u6b3e\u91cc\u6709\u6ca1\u6709 CPU \u4e0a\u9650\u6761\u6b3e<\/strong>\uff1a\u6b63\u89c4\u670d\u52a1\u5546\u4f1a\u5199\u660e”\u5141\u8bb8\u4f7f\u7528\u4e0d\u8d85\u8fc7 X% \u7684 CPU”\u6216\u660e\u786e\u6807\u6ce8 vCPU \u4e3a\u5171\u4eab\u578b\uff1b\u53ea\u8c08\u6838\u6570\u3001\u4e0d\u8c08\u9650\u5236\u6761\u6b3e\u7684\u5546\u5bb6\u8981\u7559\u5fc3\u3002<\/li>\n
  2. \u67e5\u9000\u6b3e\u653f\u7b56\u5e76\u505a\u7a97\u53e3\u671f\u538b\u6d4b<\/strong>\uff1a\u591a\u6570\u5546\u5bb6\u63d0\u4f9b 7-30 \u5929\u9000\u6b3e\u7a97\u53e3\uff0c\u62ff\u5230\u673a\u5668\u7684\u5934\u4e24\u5929\u5c31\u628a\u7b2c 3 \u8282\u7684\u56db\u6b65\u6d4b\u8bd5\u8dd1\u5b8c\uff0c\u6570\u636e\u4e0d\u8fbe\u6807\u7acb\u5373\u9000\u6b3e\u6362\u5bb6\u3002<\/li>\n
  3. \u9ad8\u5cf0\u65f6\u6bb5\u590d\u6d4b\u4e00\u904d steal time<\/strong>\uff1avmstat 1<\/code> \u8fde\u7eed\u89c2\u5bdf 24 \u5c0f\u65f6\u53d6\u5747\u503c\uff0c\u8d85\u8fc7 5% \u7684\u673a\u5668\u4e0d\u63a5\u751f\u4ea7\u4e1a\u52a1\u3002<\/li>\n
  4. \u6838\u5bf9\u5185\u5b58\u548c\u78c1\u76d8\u662f\u5426\u540c\u6837\u8d85\u5356<\/strong>\uff1a\u7528 free -h<\/code> \u786e\u8ba4\u5185\u5b58\u6ca1\u6709\u6c14\u7403\uff08KSM\uff09\u6324\u5360\uff0c\u7528 fio \u786e\u8ba4 IOPS \u8fbe\u5230\u5ba3\u4f20\u503c\u7684\u4e00\u534a\u4ee5\u4e0a\u3002<\/li>\n
  5. \u786e\u8ba4\u5347\u7ea7\u8def\u5f84<\/strong>\uff1a\u95ee\u6e05\u5171\u4eab\u6838\u65b9\u6848\u80fd\u5426\u539f\u5730\u5347\u7ea7\u5230\u72ec\u4eab\u6838\u6216\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff0c\u907f\u514d\u4e1a\u52a1\u589e\u957f\u540e\u88ab\u8feb\u8fc1\u79fb\u3002<\/li>\n<\/ol>\n

    \u5176\u4e2d\u7b2c 2 \u6761\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u2014\u2014\u5f88\u591a\u4eba\u62ff\u5230\u673a\u5668\u76f4\u63a5\u90e8\u7f72\u4e1a\u52a1\uff0c\u7b49\u53d1\u73b0\u6027\u80fd\u95ee\u9898\u65e9\u5c31\u8fc7\u4e86\u9000\u6b3e\u671f\u3002\u6b63\u786e\u7684\u8282\u594f\u662f\u5148\u6d4b\u540e\u7528\uff1a\u7a97\u53e3\u671f\u5185\u5b8c\u6210\u57fa\u7ebf\u6d4b\u8bd5\u3001\u9ad8\u5cf0\u590d\u6d4b\u3001I\/O \u6d4b\u8bd5\u4e09\u9879\uff0c\u628a\u6570\u636e\u5b58\u6863\u4f5c\u4e3a\u540e\u7eed\u6027\u80fd\u5bf9\u6bd4\u7684\u53c2\u7167\u3002<\/p>\n

    \u603b\u7ed3\u4e0e\u4e0b\u4e00\u6b65<\/h2>\n

    VPS \u7684\u771f\u5b9e\u6027\u80fd\u4e0d\u53d6\u51b3\u4e8e\u914d\u7f6e\u8868\u4e0a\u7684\u6838\u6570\uff0c\u800c\u53d6\u51b3\u4e8e\u8fd9\u4e9b\u6838\u80cc\u540e\u662f\u5171\u4eab\u8fd8\u662f\u72ec\u5360\u3001\u8d85\u552e\u662f\u5426\u514b\u5236\u3002\u8bc6\u522b\u7684\u65b9\u6cd5\u5e76\u4e0d\u590d\u6742\uff1a\u7528 vmstat<\/code> \u76ef\u4f4f steal time\uff0c\u7528 sysbench \u548c stress-ng \u5728\u9ad8\u5cf0\u65f6\u6bb5\u5b9e\u6d4b\u6027\u80fd\u8870\u51cf\uff0c\u7528 fio \u8865\u67e5\u78c1\u76d8 I\/O\uff0c\u56db\u4e2a\u6570\u636e\u70b9\u5c31\u80fd\u7ed9\u4e00\u53f0\u673a\u5668\u7684\u771f\u5b9e\u7b97\u529b\u753b\u50cf\u3002<\/p>\n

    \u6211\u4eec\u5efa\u8bae\u7684\u9009\u8d2d\u987a\u5e8f\u662f\uff1a\u5148\u660e\u786e\u4e1a\u52a1\u7684\u8d1f\u8f7d\u66f2\u7ebf\u548c\u5ef6\u8fdf\u8981\u6c42\uff0c\u518d\u51b3\u5b9a\u5171\u4eab\u6838\u8fd8\u662f\u72ec\u4eab\u6838\uff1b\u4e0b\u5355\u540e\u7b2c\u4e00\u65f6\u95f4\u5728\u9000\u6b3e\u7a97\u53e3\u5185\u5b8c\u6210\u538b\u6d4b\u7559\u6863\uff1b\u4e0a\u7ebf\u540e\u4fdd\u7559 st \u503c\u76d1\u63a7\uff0c\u8d85\u6807\u5373\u89e6\u53d1\u5347\u7ea7\u9884\u6848\u3002\u5982\u679c\u4f60\u9700\u8981\u4e00\u4e2a\u8d44\u6e90\u754c\u5b9a\u6e05\u6670\u3001\u652f\u6301\u4ece VPS \u5e73\u6ed1\u5347\u7ea7\u5230\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u7684\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u8651 Hostease \u7684 VPS \u4ea7\u54c1\u7ebf\uff0c\u5404\u6863\u4f4d\u7684\u8d44\u6e90\u7c7b\u578b\u90fd\u6709\u660e\u786e\u8bf4\u660e\u3002\u9009\u8d2d\u8def\u4e0a\u9047\u5230\u5177\u4f53\u95ee\u9898\uff0c\u4e5f\u6b22\u8fce\u5728\u535a\u5ba2\u7684\u7f51\u7ad9\u4f18\u5316<\/a>\u680f\u76ee\u67e5\u9605\u66f4\u591a\u6027\u80fd\u6392\u67e5\u5b9e\u8df5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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