CPU\u8d44\u6e90\u4e0d\u8db3\u4e0e\u7f51\u7ad9\u52a0\u8f7d\u7f13\u6162<\/strong><\/h2>\n

\u5f53CPU\u8dd1\u6ee1\u65f6\uff0c\u54cd\u5e94\u4f1a\u53d8\u6162\uff0c\u8bf7\u6c42\u4f1a\u8d85\u65f6\u3002\u8bbf\u95ee\u8005\u770b\u5230\u7684\u5c31\u662f\u9875\u9762\u5361\u4f4f\u4e0d\u52a8\uff0c\u4e8e\u662f\u4ee5\u4e3a\u662f\u7f51\u7edc\u628a\u6570\u636e\u5305\u4e22\u4e86\u3002\u4f46\u5b9e\u9645\u4e0a\u670d\u52a1\u5668\u4e00\u4e2a\u5305\u90fd\u6ca1\u4e22\u2014\u2014\u53ea\u662f\u6ca1\u6709\u591a\u4f59\u7684CPU\u65f6\u95f4\u6765\u5904\u7406\u8bf7\u6c42\u5e76\u8fd4\u56de\u54cd\u5e94\u3002<\/p>\n

CPU\u53d7\u9650\u670d\u52a1\u5668\u7684\u5178\u578b\u4fe1\u53f7<\/h3>\n

\u53ef\u4ee5\u7559\u610f\u51e0\u4e2a\u660e\u663e\u4fe1\u53f7\uff1a\u670d\u52a1\u5668\u6574\u4f53\u53d8\u5f97\u8fdf\u7f13\uff0c\u5927\u91cf\u8bf7\u6c42\u8d85\u65f6\uff0c\u76d1\u63a7\u9762\u677f\u4e2dCPU\u957f\u671f\u4fdd\u6301\u5728 100%\u3002The Tech Clouds \u6307\u51fa\uff0c\u65e0\u8bba\u662f\u5e94\u7528\u4ee3\u7801\u3001\u6570\u636e\u5e93\uff0c\u8fd8\u662f\u5e95\u5c42\u57fa\u7840\u8bbe\u65bd\uff0c\u5f53CPU\u4f7f\u7528\u7387\u548c\u7cfb\u7edf\u8d1f\u8f7d\u957f\u671f\u9ad8\u4e8e 80%\u201390% \u65f6\uff0c\u90fd\u8bf4\u660e\u7cfb\u7edf\u5df2\u7ecf\u5931\u8861\u3002\u5f53CPU\u4e00\u76f4\u8dd1\u6ee1\u65f6\uff0c\u670d\u52a1\u5668\u5728\u6d41\u91cf\u9ad8\u5cf0\u671f\u4f1a\u96be\u4ee5\u8c03\u5ea6\u5404\u9879\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u5b95\u673a\u4e0e\u5d29\u6e83\u7684\u98ce\u9669\u968f\u4e4b\u4e0a\u5347\u3002<\/p>\n

CPU\u8d44\u6e90\u4e0d\u8db3\u5e76\u4e0d\u662f\u670d\u52a1\u5668\u7aef\u552f\u4e00\u7684\u74f6\u9888\u3002\u5185\u5b58\u4e0d\u8db3\u4f1a\u8feb\u4f7f\u64cd\u4f5c\u7cfb\u7edf\u9891\u7e41\u8bbf\u95ee\u4ea4\u6362\u5206\u533a\uff0c\u5e94\u7528\u7a0b\u5e8f\u4f1a\u660e\u663e\u53d8\u6162\uff0c\u751a\u81f3\u88ab\u7cfb\u7edf\u76f4\u63a5\u7ec8\u6b62\uff0cInfinitive Host \u5c31\u63d0\u5230\u8fc7\u8fd9\u4e00\u70b9\u3002\u78c1\u76d8I\/O\u8fc7\u6162\u3001\u5b58\u50a8\u65f6\u5ef6\u8fc7\u9ad8\u3001IOPS\u4e0d\u8db3\uff0c\u4f1a\u4e25\u91cd\u62d6\u7d2f\u6570\u636e\u5e93\u6027\u80fd\u3002\u4f4e\u6548\u7684\u67e5\u8be2\u3001\u8fc7\u591a\u7684\u540e\u53f0\u8fdb\u7a0b\u4ee5\u53ca\u8fc7\u4e8e\u6c89\u91cd\u7684\u5e94\u7528\u7a0b\u5e8f\u90fd\u4f1a\u589e\u52a0\u670d\u52a1\u5668\u7684\u6574\u4f53\u8d1f\u8f7d\u9700\u6c42\u3002\u4e0d\u5408\u7406\u7684\u914d\u7f6e\u5219\u628a\u8fd9\u4e9b\u95ee\u9898\u7cc5\u5408\u5728\u4e00\u8d77\u653e\u5927\u3002<\/p>\n

CPU\u4f7f\u7528\u7387\u4f4e\u5e76\u4e0d\u4ee3\u8868\u670d\u52a1\u5668\u7aef\u5c31\u4e00\u5b9a\u6ca1\u6709\u74f6\u9888\u3002\u7ebf\u7a0b\u53ef\u80fd\u5728\u7b49\u5f85\u5b58\u50a8\u6216\u5957\u63a5\u5b57I\/O\u65f6\u8ba9CPU\u7a7a\u8f6c\u3002\u67d0\u4e2a\u5df2\u8bb0\u5f55\u7684\u6848\u4f8b\u4e2d\uff0c\u7cfb\u7edf\u8d1f\u8f7d\u9ad8\u8fbe 22\uff0c\u4f46CPU\u4f7f\u7528\u7387\u53ea\u6709 14%\uff0c\u800c iowait \u5374\u9ad8\u8fbe 64%\u2014\u2014\u771f\u6b63\u7684\u74f6\u9888\u5728\u5b58\u50a8\u5c42\u800c\u4e0d\u662f\u5904\u7406\u5668\u3002<\/p>\n

\u5982\u4f55\u786e\u8ba4CPU\u8fc7\u8f7d<\/h3>\n

\u5148\u4ece\u8fdb\u7a0b\u5217\u8868\u770b\u8d77\u3002\u8fd0\u884c top<\/code> \u6216 htop<\/code>\uff0c\u627e\u51fa\u6700\u8017CPU\u7684\u8fdb\u7a0b\uff1bSeveralnines \u7ed9\u51fa\u7684\u4e00\u4e2a\u5178\u578b\u793a\u4f8b\u662f mysqld<\/code> \u5b88\u62a4\u8fdb\u7a0b\u7684 %CPU \u8fbe\u5230 87.4%\u3002\u968f\u540e\u5728\u6570\u636e\u5e93\u5185\u90e8\u901a\u8fc7 show processlist;<\/code> \u67e5\u770b\u5f53\u524d\u6d3b\u52a8\u8fde\u63a5\uff0c\u5e76\u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u4ece\u5e94\u7528\u4fa7\u6355\u6349\u90a3\u4e9b\u4ee3\u4ef7\u9ad8\u6602\u7684SQL\u8bed\u53e5\u3002<\/p>\n

\u5fae\u8f6f\u7684\u6392\u9519\u6307\u5357\u7ed9\u51fa\u4e86\u4e00\u4e2a\u5b9e\u7528\u7684\u533a\u5206\u65b9\u5f0f\uff1a\u5982\u679c % User Time<\/code> \u6301\u7eed\u9ad8\u4e8e 90%\uff0c\u8bf4\u660e\u4e3b\u8981\u662f\u6570\u636e\u5e93\u8fdb\u7a0b\u672c\u8eab\u5728\u6d88\u8017CPU\uff1b\u5982\u679c % Privileged Time<\/code> \u6301\u7eed\u9ad8\u4e8e 90%\uff0c\u5219\u66f4\u53ef\u80fd\u662f\u6740\u6bd2\u8f6f\u4ef6\u3001\u9a71\u52a8\u6216\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u7ec4\u4ef6\u9020\u6210\u538b\u529b\u3002\u53ef\u4ee5\u5728 60 \u79d2\u7684\u65f6\u95f4\u7a97\u53e3\u5185\u6536\u96c6\u8ba1\u6570\u5668\u6570\u636e\uff0c\u5e76\u5728 5 \u79d2\u7684\u95f4\u9694\u4e0a\u6d4b\u91cfSQL\u8bed\u53e5\u7684CPU\u6d88\u8017\uff0c\u770b\u770b\u662f\u54ea\u4e9b\u8bed\u53e5\u5360\u636e\u4e86\u5927\u5934\u3002\u540c\u65f6\u8981\u7ed3\u5408\u5b58\u50a8\u7b49\u5f85\u65f6\u95f4\u4e00\u8d77\u770b\uff0c\u56e0\u4e3a iowait \u5f88\u9ad8\u5f80\u5f80\u8bf4\u660e\u74f6\u9888\u5728\u78c1\u76d8\u800c\u975eCPU\u3002<\/p>\n

\u7f51\u7edc\u7ebf\u8def\u8d28\u91cf\u5dee\u3001\u4e22\u5305\u4e0e\u91cd\u4f20<\/strong><\/h2>\n

\u7ebf\u8def\u4fa7\u7684\u539f\u56e0\u540c\u6837\u5173\u952e\u3002\u9ad8\u4e22\u5305\u7387\u3001\u9891\u7e41\u7684TCP\u91cd\u4f20\u3001\u5e26\u5bbd\u4e0d\u8db3\uff0c\u4ee5\u53ca\u6ca1\u6709\u628a\u9759\u6001\u5185\u5bb9\u548c\u52a8\u6001\u8bf7\u6c42\u5206\u79bb\uff0c\u90fd\u4f1a\u62d6\u6162\u7f51\u7ad9\u3002\u8def\u7531\u4e0e\u7ebf\u8def\u8d28\u91cf\u4f1a\u660e\u663e\u5f71\u54cd\u8bbf\u95ee\u901f\u5ea6\u3002\u963f\u91cc\u4e91\u5c31\u63cf\u8ff0\u8fc7\u4e00\u79cd\u670d\u52a1\uff1a\u5c06\u4e2d\u56fd\u5185\u5730\u7528\u6237\u7684\u8bf7\u6c42\u5c31\u8fd1\u8def\u7531\u5230\u9999\u6e2f\u63a5\u5165\u70b9\uff0c\u518d\u901a\u8fc7\u4e00\u6761\u52a0\u901f\u7f51\u7edc\u8bbf\u95ee\u6d77\u5916\u6e90\u7ad9\u3002CDN07 \u5219\u6307\u51fa\uff0c\u9999\u6e2f\u8282\u70b9\u53ea\u6709\u5728\u771f\u6b63\u4f5c\u4e3a\u63a5\u5165\u70b9\u3001\u5e76\u4e14\u5230\u6e90\u7ad9\u6709\u76f4\u63a5\u8def\u7531\u65f6\u624d\u4f1a\u5e26\u6765\u52a0\u901f\u6548\u679c\u3002<\/p>\n

\u7f51\u7edc\u53d7\u9650\u670d\u52a1\u5668\u7684\u5178\u578b\u4fe1\u53f7<\/h3>\n

\u4f60\u4f1a\u53d1\u73b0\u7f51\u7ad9\u6240\u6709\u9875\u9762\u90fd\u52a0\u8f7d\u7f13\u6162\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u5927\u9875\u9762\u3002\u9875\u9762\u52a0\u8f7d\u65f6\u95f4\u6574\u4f53\u53d8\u957f\uff0c\u7528\u6237\u4f1a\u62b1\u6028\u201c\u7f51\u901f\u5f88\u6162\u201d\uff0c\u54ea\u6015\u4ed6\u4eec\u672c\u5730\u7684\u5bbd\u5e26\u5957\u9910\u5176\u5b9e\u5f88\u5feb\u3002\u5ba2\u6237\u7aef\u4e0d\u826f\u7684\u7f51\u7edc\u8fde\u63a5\u53ef\u4ee5\u6a21\u62df\u51fa\u7c7b\u4f3c\u75c7\u72b6\uff0c\u56e0\u6b64\u9700\u8981\u5bf9\u6bd4\u6765\u81ea\u591a\u4e2a\u5730\u533a\u7684\u53cd\u9988\u3002\u67d0\u4e2a\u670d\u52a1\u5668\u6240\u5728\u533a\u57df\u5982\u679c\u5916\u53d1\u5e26\u5bbd\u5f88\u5dee\uff0c\u5373\u4f7f\u4e0a\u4f20\u6d4b\u8bd5\u7ed3\u679c\u770b\u8d77\u6765\u6b63\u5e38\uff0c\u4e5f\u4f1a\u5bfc\u81f4\u9875\u9762\u4f20\u8f93\u7f13\u6162\u3002\u9ad8\u5ef6\u8fdf\u3001\u7f51\u7edc\u62e5\u585e\u548c\u4f4e\u5e26\u5bbd\u4f1a\u5448\u73b0\u51fa\u4e0d\u540c\u7684\u8868\u73b0\u6a21\u5f0f\u3002\u4f60\u9700\u8981\u5bc6\u5207\u5173\u6ce8\u4e22\u5305\u548c\u91cd\u4f20\u3001\u7f51\u7edc\u8fde\u901a\u6027\u95ee\u9898\u3001\u4e22\u5305\u7387\u4ee5\u53ca\u9ad8\u5cf0\u65f6\u6bb5\u7684\u5e26\u5bbd\u9650\u5236\u3002\u5c06\u9759\u6001\u5185\u5bb9\u4e0e\u52a8\u6001\u8bf7\u6c42\u62c6\u5206\uff0c\u5f80\u5f80\u53ef\u4ee5\u66f4\u6e05\u6670\u5730\u66b4\u9732\u51fa\u771f\u6b63\u7684\u74f6\u9888\u3002<\/p>\n

\u5982\u4f55\u786e\u8ba4\u7f51\u7edc\u4e0e\u65f6\u5ef6\u95ee\u9898<\/h3>\n

\u6309\u987a\u5e8f\u8fd0\u884c\u4ee5\u4e0b\u6d4b\u8bd5\uff1a<\/p>\n

\n
1. \u5148\u7528 ping \u6765\u786e\u8ba4\u95ee\u9898\u5e76\u6d4b\u91cf\u5f80\u8fd4\u5ef6\u8fdf\u3002\u4e00\u822c\u800c\u8a00\uff0c\u54cd\u5e94\u65f6\u95f4\u4f4e\u4e8e 50ms \u90fd\u662f\u53ef\u63a5\u53d7\u7684\u3002\u4efb\u610f\u7a0b\u5ea6\u7684\u4e22\u5305\u90fd\u4e0d\u5bb9\u5ffd\u89c6\uff0c\u5373\u4fbf\u53ea\u6709 1%\u20132%\uff0c\u4e5f\u8db3\u4ee5\u8ba9TCP\u9000\u907f\u51cf\u901f\u5e76\u89e6\u53d1\u91cd\u4f20\u3002<\/li>\n
2. \u7136\u540e\u4f7f\u7528 traceroute\uff0c\u627e\u51fa\u7f51\u7edc\u8def\u5f84\u4e2d\u5ef6\u8fdf\u5f00\u59cb\u9661\u589e\u7684\u8282\u70b9\u3002<\/li>\n
3. \u6700\u540e\u4f7f\u7528 MTR \u83b7\u53d6\u6700\u5b8c\u6574\u7684\u89c6\u56fe\u3002\u9996\u5148\u89c2\u5bdf Loss% \u5217\uff1b\u67d0\u4e00\u8df3\u4e0a\u7684\u4e22\u5305\u7387\u5982\u679c\u6301\u7eed\u9ad8\u4e8e 2%\u20133%\uff0c\u800c\u4e14\u5728\u540e\u7eed\u8282\u70b9\u4f9d\u7136\u5b58\u5728\uff0c\u90a3\u5c31\u662f\u4e00\u4e2a\u771f\u6b63\u7684\u95ee\u9898\u70b9\u3002<\/li>\n<\/ol>\n

   \u518d\u8865\u5145\u505a\u4e00\u6b21\u541e\u5410\u91cf\u6d4b\u8bd5\uff0c\u628a\u5b9e\u9645\u53ef\u7528\u5e26\u5bbd\u4e0e\u4e1a\u52a1\u9700\u6c42\u76f8\u5bf9\u6bd4\u3002\u4ece\u591a\u4e2a\u5730\u70b9\u6d4b\u91cf\u5ef6\u8fdf\u548c ping\uff0c\u907f\u514d\u88ab\u67d0\u4e00\u6761\u5355\u72ec\u7684\u574f\u8def\u7531\u8bef\u5bfc\u3002\u7efc\u5408\u68c0\u67e5\u7f51\u7edc\u6027\u80fd\u3001\u7f51\u7edc\u5ef6\u8fdf\u548c\u7f51\u7edc\u5e26\u5bbd\uff0c\u56e0\u4e3a\u4e00\u6761\u7ebf\u8def\u5728\u8868\u9762\u4e0a\u770b\u8d77\u6765\u201c\u5f88\u5065\u5eb7\u201d\uff0c\u4f46\u4e22\u5305\u7387\u5374\u53ef\u80fd\u5df2\u7ecf\u5728\u6084\u6084\u6500\u5347\u3002\u67d0\u4e00\u8df3\u957f\u671f\u8868\u73b0\u51fa\u8fde\u63a5\u4e0d\u7a33\u5b9a\u6216\u65f6\u5ef6\u8fc7\u957f\uff0c\u8bf4\u660e\u95ee\u9898\u51fa\u5728\u5177\u4f53\u8def\u7531\u8282\u70b9\u672c\u8eab\u3002\u82e5CPU\u6307\u6807\u5f88\u5e72\u51c0\u4f46\u7f51\u7ad9\u4f9d\u65e7\u7f13\u6162\uff0c\u5219\u53ef\u4ee5\u57fa\u672c\u65ad\u5b9a\u662f\u5e26\u5bbd\u74f6\u9888\u6216\u7ebf\u8def\u62e5\u585e\u5bfc\u81f4\u3002<\/p>\n

   CPU vs \u7f51\u7edc\uff1a\u5e76\u6392\u5bf9\u6bd4<\/strong><\/h2>\n

   \u8fd9\u4e24\u7c7b\u95ee\u9898\u5728\u8fd0\u884c\u7279\u5f81\u3001\u9002\u5408\u7684\u5e94\u7528\u573a\u666f\u4ee5\u53ca\u6210\u672c\u5f71\u54cd\u4e0a\u90fd\u6709\u660e\u663e\u5dee\u5f02\u3002\u628a\u5b83\u4eec\u653e\u5728\u4e00\u8d77\u5bf9\u6bd4\uff0c\u6709\u52a9\u4e8e\u4f60\u4e3a\u4e0d\u540c\u8d1f\u8f7d\u9009\u62e9\u6b63\u786e\u7684\u4f18\u5316\u65b9\u6848\u3002<\/p>\n

   \u6027\u80fd\u7279\u5f81\u4e0e\u5e94\u7528\u9002\u914d\u6027<\/h3>\n

   CPU\u53d7\u9650\u7684\u5e94\u7528\u5927\u90e8\u5206\u65f6\u95f4\u90fd\u5728\u8ba1\u7b97\u3002Bytearcher \u4e3e\u7684\u4e00\u4e2a\u4f8b\u5b50\u5f88\u76f4\u89c2\uff1a\u67d0\u9879\u670d\u52a1\u8981\u8ba1\u7b97 SHA-1 \u6821\u9a8c\u548c\uff0c\u6838\u5fc3\u5de5\u4f5c\u5c31\u662f\u5bf9\u8f93\u5165\u5b57\u7b26\u4e32\u53cd\u590d\u505a\u54c8\u5e0c\u3001\u79fb\u4f4d\u548c\u5f02\u6216\u8fd0\u7b97\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u66f4\u5feb\u7684\u5b58\u50a8\u6216\u7f51\u7edc\u51e0\u4e4e\u5e2e\u4e0d\u4e0a\u5fd9\u3002\u7f51\u7edc\u53d7\u9650\u7684\u5e94\u7528\u5219\u5927\u90e8\u5206\u65f6\u95f4\u90fd\u5728\u7b49\u5f85\u7f51\u7edc\u3001\u6587\u4ef6\u7cfb\u7edf\u548c\u6570\u636e\u5e93\u7684I\/O\u3002\u5178\u578b\u7684 Node.js \u7f51\u7ad9\u670d\u52a1\u7aef\u5c31\u7b26\u5408\u8fd9\u79cd\u6a21\u5f0f\uff0c\u6b64\u65f6\u63d0\u5347\u78c1\u76d8\u901f\u5ea6\u6216\u7f51\u7edc\u6027\u80fd\u4f1a\u6709\u660e\u663e\u6548\u679c\u3002<\/p>\n

   \n\n\n\n<\/colgroup>\n\n\n\n\n\n\n

   I\/O \u53d7\u9650\uff08\u7f51\u7edc\u53d7\u9650\uff09\u4f7f\u7528\u573a\u666f<\/th>\n	CPU \u53d7\u9650\u4f7f\u7528\u573a\u666f<\/th>\n<\/tr>\n
   \u5904\u7406\u5927\u91cf\u5c0f\u8bf7\u6c42\u7684 Web \u670d\u52a1\u5668\uff08\u6570\u636e\u5e93\u67e5\u8be2\u3001API \u8c03\u7528\uff09<\/td>\n	\u673a\u5668\u5b66\u4e60\u8bad\u7ec3\u4e0e\u63a8\u7406\uff08\u5927\u91cf\u77e9\u9635\u8fd0\u7b97\uff09<\/td>\n<\/tr>\n
   \u4e3b\u8981\u8d1f\u8d23\u8f6c\u53d1\u6216\u62c9\u53d6\u5176\u4ed6\u670d\u52a1\u6570\u636e\u7684\u5fae\u670d\u52a1<\/td>\n	\u89c6\u9891\u8f6c\u7801\u3001\u56fe\u50cf\u5904\u7406\u3001\u6e38\u620f\u7269\u7406\u5f15\u64ce\u4e0e\u4eff\u771f<\/td>\n<\/tr>\n
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   \u6587\u4ef6\u670d\u52a1\u5668\u3001\u4ee3\u7406\u670d\u52a1\u5668\u4e0e\u6d88\u606f\u961f\u5217\u4e2d\u95f4\u4ef6<\/td>\n	\u5927\u91cf\u4f9d\u8d56\u52a0\u5bc6\u3001\u54c8\u5e0c\u4e0e\u538b\u7f29\u7684\u670d\u52a1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u53ef\u89c2\u6d4b\u5230\u7684\u75c7\u72b6\u4e5f\u6709\u52a9\u4e8e\u533a\u5206\u4e24\u8005\u3002Datadog \u6307\u51fa\uff0c\u7f51\u5361\u9519\u8bef\u3001\u4e22\u5305\u3001CPU\u5c16\u5cf0\u548c\u5e26\u5bbd\u5229\u7528\u7387\u7b49\u6307\u6807\uff0c\u90fd\u53ef\u4ee5\u4f5c\u4e3a\u7f51\u7edc\u8bbe\u5907\u5f71\u54cd\u5e94\u7528\u6027\u80fd\u7684\u8bc1\u636e\u3002ITU Online 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\u6210\u672c\u7684\u8d70\u5411\u53d6\u51b3\u4e8e\u771f\u6b63\u7684\u74f6\u9888\u5728\u54ea\u4e00\u7aef\u3002CPU\u8d44\u6e90\u4e0d\u8db3\uff0c\u4f1a\u8feb\u4f7f\u4f60\u9009\u62e9\u66f4\u5927\u7684\u5b9e\u4f8b\u3001\u66f4\u591a\u7684\u6838\u5fc3\uff0c\u6216\u8005\u6295\u5165\u65f6\u95f4\u4f18\u5316\u4ee3\u7801\u4e0eSQL\u67e5\u8be2\u3002\u7ebf\u8def\u95ee\u9898\u5219\u4f1a\u628a\u4f60\u63a8\u5411\u66f4\u4f18\u7684\u8def\u7531\u3001\u66f4\u5927\u7684\u5e26\u5bbd\uff0c\u6216\u4f7f\u7528 CDN\u3002\u4e8c\u8005\u5e76\u4e0d\u80fd\u4e92\u76f8\u66ff\u4ee3\uff1a\u4e3a\u9519\u8bef\u7684\u4e00\u65b9\u52a0\u94b1\uff0c\u7b49\u4e8e\u628a\u9884\u7b97\u76f4\u63a5\u6d6a\u8d39\u6389\u3002<\/p>\n 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64%\u2014\u2014\u771f\u6b63\u7684\u74f6\u9888\u5728\u5b58\u50a8\u5c42\u800c\u4e0d\u662f\u5904\u7406\u5668\u3002 \u5982\u4f55\u786e\u8ba4CPU\u8fc7\u8f7d \u5148\u4ece\u8fdb\u7a0b\u5217\u8868\u770b\u8d77\u3002\u8fd0\u884c top \u6216 htop\uff0c\u627e\u51fa\u6700\u8017CPU\u7684\u8fdb\u7a0b\uff1bSeveralnines \u7ed9\u51fa\u7684\u4e00\u4e2a\u5178\u578b\u793a\u4f8b\u662f mysqld \u5b88\u62a4\u8fdb\u7a0b\u7684 %CPU \u8fbe\u5230 87.4%\u3002\u968f\u540e\u5728\u6570\u636e\u5e93\u5185\u90e8\u901a\u8fc7 show processlist; \u67e5\u770b\u5f53\u524d\u6d3b\u52a8\u8fde\u63a5\uff0c\u5e76\u542f\u7528\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u4ece\u5e94\u7528\u4fa7\u6355\u6349\u90a3\u4e9b\u4ee3\u4ef7\u9ad8\u6602\u7684SQL\u8bed\u53e5\u3002 \u5fae\u8f6f\u7684\u6392\u9519\u6307\u5357\u7ed9\u51fa\u4e86\u4e00\u4e2a\u5b9e\u7528\u7684\u533a\u5206\u65b9\u5f0f\uff1a\u5982\u679c % User Time \u6301\u7eed\u9ad8\u4e8e 90%\uff0c\u8bf4\u660e\u4e3b\u8981\u662f\u6570\u636e\u5e93\u8fdb\u7a0b\u672c\u8eab\u5728\u6d88\u8017CPU\uff1b\u5982\u679c % Privileged Time \u6301\u7eed\u9ad8\u4e8e 90%\uff0c\u5219\u66f4\u53ef\u80fd\u662f\u6740\u6bd2\u8f6f\u4ef6\u3001\u9a71\u52a8\u6216\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u7ec4\u4ef6\u9020\u6210\u538b\u529b\u3002\u53ef\u4ee5\u5728 60 \u79d2\u7684\u65f6\u95f4\u7a97\u53e3\u5185\u6536\u96c6\u8ba1\u6570\u5668\u6570\u636e\uff0c\u5e76\u5728 […]<\/p>\n Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":35638,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62],"tags":[14114,13901,1239,516,265],"class_list":["post-35641","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-sc","tag-slow-loading-website","tag-slow-website","tag-server-performance-sc","tag-network-latency-sc","tag-265"],"acf":[],"yoast_head":"\n