CPU \u8cc7\u6e90\u4e0d\u8db3\u8207\u7db2\u7ad9\u8f09\u5165\u7de9\u6162<\/strong><\/h2>\n

\u7576 CPU \u8dd1\u6eff\u6642\uff0c\u56de\u61c9\u6703\u8b8a\u6162\uff0c\u8acb\u6c42\u6703\u903e\u6642\u3002\u8a2a\u5ba2\u770b\u5230\u7684\u5c31\u662f\u9801\u9762\u5361\u4f4f\u4e0d\u52d5\uff0c\u65bc\u662f\u4ee5\u70ba\u662f\u7db2\u8def\u628a\u8cc7\u6599\u5c01\u5305\u4e1f\u4e86\u3002\u4f46\u5be6\u969b\u4e0a\u4f3a\u670d\u5668\u4e00\u500b\u5c01\u5305\u90fd\u6c92\u4e1f\u2014\u2014\u53ea\u662f\u6c92\u6709\u591a\u9918\u7684 CPU \u6642\u9593\u4f86\u8655\u7406\u8acb\u6c42\u4e26\u56de\u50b3\u56de\u61c9\u3002<\/p>\n

CPU \u53d7\u9650\u4f3a\u670d\u5668\u7684\u5178\u578b\u8a0a\u865f<\/h3>\n

\u53ef\u4ee5\u7559\u610f\u5e7e\u500b\u660e\u986f\u8a0a\u865f\uff1a\u4f3a\u670d\u5668\u6574\u9ad4\u8b8a\u5f97\u9072\u7de9\uff0c\u5927\u91cf\u8acb\u6c42\u903e\u6642\uff0c\u76e3\u63a7\u9762\u677f\u4e2d CPU \u9577\u671f\u7dad\u6301\u5728 100%\u3002The Tech Clouds \u6307\u51fa\uff0c\u7121\u8ad6\u662f\u61c9\u7528\u7a0b\u5f0f\u78bc\u3001\u8cc7\u6599\u5eab\uff0c\u9084\u662f\u5e95\u5c64\u57fa\u790e\u8a2d\u65bd\uff0c\u7576 CPU \u4f7f\u7528\u7387\u548c\u7cfb\u7d71\u8ca0\u8f09\u9577\u671f\u9ad8\u65bc 80%\u201390% \u6642\uff0c\u90fd\u8aaa\u660e\u7cfb\u7d71\u5df2\u7d93\u5931\u8861\u3002\u7576 CPU \u4e00\u76f4\u8dd1\u6eff\u6642\uff0c\u4f3a\u670d\u5668\u5728\u6d41\u91cf\u9ad8\u5cf0\u671f\u6703\u96e3\u4ee5\u8abf\u5ea6\u5404\u9805\u5de5\u4f5c\u8ca0\u8f09\uff0c\u7576\u6a5f\u8207\u5d29\u6f70\u7684\u98a8\u96aa\u96a8\u4e4b\u4e0a\u5347\u3002<\/p>\n

CPU \u8cc7\u6e90\u4e0d\u8db3\u4e26\u4e0d\u662f\u4f3a\u670d\u5668\u7aef\u552f\u4e00\u7684\u74f6\u9838\u3002\u8a18\u61b6\u9ad4\u4e0d\u8db3\u6703\u8feb\u4f7f\u4f5c\u696d\u7cfb\u7d71\u983b\u7e41\u5b58\u53d6\u4ea4\u63db\u5206\u5272\u5340\uff0c\u61c9\u7528\u7a0b\u5f0f\u6703\u660e\u986f\u8b8a\u6162\uff0c\u751a\u81f3\u88ab\u7cfb\u7d71\u76f4\u63a5\u7d42\u6b62\uff0cInfinitive Host \u5c31\u63d0\u5230\u904e\u9019\u4e00\u9ede\u3002\u78c1\u789f I\/O \u904e\u6162\u3001\u5132\u5b58\u5ef6\u9072\u904e\u9ad8\u3001IOPS \u4e0d\u8db3\uff0c\u6703\u56b4\u91cd\u62d6\u7d2f\u8cc7\u6599\u5eab\u6548\u80fd\u3002\u4f4e\u6548\u7684\u67e5\u8a62\u3001\u904e\u591a\u7684\u80cc\u666f\u884c\u7a0b\u4ee5\u53ca\u904e\u65bc\u6c88\u91cd\u7684\u61c9\u7528\u7a0b\u5f0f\u90fd\u6703\u589e\u52a0\u4f3a\u670d\u5668\u7684\u6574\u9ad4\u8ca0\u8f09\u9700\u6c42\u3002\u4e0d\u5408\u7406\u7684\u8a2d\u5b9a\u5247\u628a\u9019\u4e9b\u554f\u984c\u7cc5\u5408\u5728\u4e00\u8d77\u653e\u5927\u3002<\/p>\n

CPU \u4f7f\u7528\u7387\u4f4e\u4e26\u4e0d\u4ee3\u8868\u4f3a\u670d\u5668\u7aef\u5c31\u4e00\u5b9a\u6c92\u6709\u74f6\u9838\u3002\u57f7\u884c\u7dd2\u53ef\u80fd\u5728\u7b49\u5f85\u5132\u5b58\u6216 socket I\/O \u6642\u8b93 CPU \u7a7a\u8f49\u3002\u67d0\u500b\u5df2\u8a18\u9304\u7684\u6848\u4f8b\u4e2d\uff0c\u7cfb\u7d71\u8ca0\u8f09\u9ad8\u9054 22\uff0c\u4f46 CPU \u4f7f\u7528\u7387\u53ea\u6709 14%\uff0c\u800c iowait \u537b\u9ad8\u9054 64%\u2014\u2014\u771f\u6b63\u7684\u74f6\u9838\u5728\u5132\u5b58\u5c64\u800c\u4e0d\u662f\u8655\u7406\u5668\u3002<\/p>\n

\u5982\u4f55\u78ba\u8a8d CPU \u904e\u8f09<\/h3>\n

\u5148\u5f9e\u884c\u7a0b\u6e05\u55ae\u770b\u8d77\u3002\u57f7\u884c top<\/code> \u6216 htop<\/code>\uff0c\u627e\u51fa\u6700\u8017 CPU \u7684\u884c\u7a0b\uff1bSeveralnines \u7d66\u51fa\u7684\u5178\u578b\u793a\u4f8b\u662f mysqld<\/code> \u5e38\u99d0\u884c\u7a0b\u7684 %CPU \u9054\u5230 87.4%\u3002\u96a8\u5f8c\u5728\u8cc7\u6599\u5eab\u5167\u90e8\u900f\u904e show processlist;<\/code> \u6aa2\u8996\u76ee\u524d\u6d3b\u52d5\u9023\u7dda\uff0c\u4e26\u555f\u7528\u6162\u67e5\u8a62\u65e5\u8a8c\uff0c\u5f9e\u61c9\u7528\u5074\u6355\u6349\u90a3\u4e9b\u6210\u672c\u9ad8\u6602\u7684 SQL \u8a9e\u53e5\u3002<\/p>\n

\u5fae\u8edf\u7684\u7591\u96e3\u6392\u89e3\u6307\u5357\u7d66\u51fa\u4e86\u4e00\u500b\u5be6\u7528\u7684\u5340\u5206\u65b9\u5f0f\uff1a\u5982\u679c % User Time<\/code> \u6301\u7e8c\u9ad8\u65bc 90%\uff0c\u8aaa\u660e\u4e3b\u8981\u662f\u8cc7\u6599\u5eab\u884c\u7a0b\u672c\u8eab\u5728\u6d88\u8017 CPU\uff1b\u5982\u679c % Privileged Time<\/code> \u6301\u7e8c\u9ad8\u65bc 90%\uff0c\u5247\u66f4\u53ef\u80fd\u662f\u9632\u6bd2\u8edf\u9ad4\u3001\u9a45\u52d5\u7a0b\u5f0f\u6216\u5176\u4ed6\u4f5c\u696d\u7cfb\u7d71\u5143\u4ef6\u9020\u6210\u58d3\u529b\u3002\u53ef\u4ee5\u5728 60 \u79d2\u7684\u6642\u9593\u8996\u7a97\u5167\u6536\u96c6\u8a08\u6578\u5668\u8cc7\u6599\uff0c\u4e26\u5728 5 \u79d2\u7684\u9593\u9694\u4e0a\u6e2c\u91cf SQL \u8a9e\u53e5\u7684 CPU \u6d88\u8017\uff0c\u770b\u770b\u662f\u54ea\u4e9b\u8a9e\u53e5\u5360\u64da\u4e86\u5927\u982d\u3002\u540c\u6642\u8981\u7d50\u5408\u5132\u5b58\u7b49\u5f85\u6642\u9593\u4e00\u8d77\u770b\uff0c\u56e0\u70ba iowait \u5f88\u9ad8\u5f80\u5f80\u8aaa\u660e\u74f6\u9838\u5728\u78c1\u789f\u800c\u975e CPU\u3002<\/p>\n

\u7db2\u8def\u7dda\u8def\u54c1\u8cea\u5dee\u3001\u5c01\u5305\u907a\u5931\u8207\u91cd\u50b3<\/strong><\/h2>\n

\u7dda\u8def\u5074\u7684\u539f\u56e0\u540c\u6a23\u95dc\u9375\u3002\u9ad8\u5c01\u5305\u907a\u5931\u7387\u3001\u983b\u7e41\u7684 TCP \u91cd\u50b3\u3001\u983b\u5bec\u4e0d\u8db3\uff0c\u4ee5\u53ca\u6c92\u6709\u628a\u975c\u614b\u5167\u5bb9\u548c\u52d5\u614b\u8acb\u6c42\u5206\u96e2\uff0c\u90fd\u6703\u62d6\u6162\u7db2\u7ad9\u3002\u8def\u7531\u8207\u7dda\u8def\u54c1\u8cea\u6703\u660e\u986f\u5f71\u97ff\u5b58\u53d6\u901f\u5ea6\u3002\u963f\u91cc\u96f2\u5c31\u63cf\u8ff0\u904e\u4e00\u7a2e\u670d\u52d9\uff1a\u5c07\u4e2d\u570b\u5167\u5730\u4f7f\u7528\u8005\u7684\u8acb\u6c42\u5c31\u8fd1\u8def\u7531\u5230\u9999\u6e2f\u63a5\u5165\u9ede\uff0c\u518d\u900f\u904e\u4e00\u689d\u52a0\u901f\u7db2\u8def\u5b58\u53d6\u6d77\u5916\u6e90\u7ad9\u3002CDN07 \u5247\u6307\u51fa\uff0c\u9999\u6e2f\u7bc0\u9ede\u53ea\u6709\u5728\u771f\u6b63\u4f5c\u70ba\u63a5\u5165\u9ede\u3001\u4e26\u4e14\u5230\u6e90\u7ad9\u6709\u76f4\u63a5\u8def\u7531\u6642\u624d\u6703\u5e36\u4f86\u52a0\u901f\u6548\u679c\u3002<\/p>\n

\u7db2\u8def\u53d7\u9650\u4f3a\u670d\u5668\u7684\u5178\u578b\u8a0a\u865f<\/h3>\n

\u4f60\u6703\u767c\u73fe\u7db2\u7ad9\u6240\u6709\u9801\u9762\u90fd\u8f09\u5165\u7de9\u6162\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u5927\u9801\u9762\u3002\u9801\u9762\u8f09\u5165\u6642\u9593\u6574\u9ad4\u8b8a\u9577\uff0c\u4f7f\u7528\u8005\u6703\u62b1\u6028\u300c\u7db2\u901f\u5f88\u6162\u300d\uff0c\u54ea\u6015\u4ed6\u5011\u672c\u5730\u7684\u5bec\u983b\u65b9\u6848\u5176\u5be6\u5f88\u5feb\u3002\u7528\u6236\u7aef\u4e0d\u826f\u7684\u7db2\u8def\u9023\u7dda\u53ef\u4ee5\u6a21\u64ec\u51fa\u985e\u4f3c\u75c7\u72c0\uff0c\u56e0\u6b64\u9700\u8981\u5c0d\u6bd4\u4f86\u81ea\u591a\u500b\u5730\u5340\u7684\u56de\u994b\u3002\u67d0\u500b\u4f3a\u670d\u5668\u6240\u5728\u5340\u57df\u5982\u679c\u5916\u767c\u983b\u5bec\u5f88\u5dee\uff0c\u5373\u4f7f\u4e0a\u50b3\u6e2c\u8a66\u7d50\u679c\u770b\u8d77\u4f86\u6b63\u5e38\uff0c\u4e5f\u6703\u5c0e\u81f4\u9801\u9762\u50b3\u8f38\u7de9\u6162\u3002\u9ad8\u5ef6\u9072\u3001\u7db2\u8def\u58c5\u585e\u548c\u4f4e\u983b\u5bec\u6703\u5448\u73fe\u51fa\u4e0d\u540c\u7684\u8868\u73fe\u6a21\u5f0f\u3002\u4f60\u9700\u8981\u5bc6\u5207\u95dc\u6ce8\u5c01\u5305\u907a\u5931\u548c\u91cd\u50b3\u3001\u7db2\u8def\u9023\u901a\u6027\u554f\u984c\u3001\u5c01\u5305\u907a\u5931\u7387\u4ee5\u53ca\u9ad8\u5cf0\u6642\u6bb5\u7684\u983b\u5bec\u9650\u5236\u3002\u5c07\u975c\u614b\u5167\u5bb9\u8207\u52d5\u614b\u8acb\u6c42\u62c6\u5206\uff0c\u5f80\u5f80\u53ef\u4ee5\u66f4\u6e05\u6670\u5730\u66b4\u9732\u51fa\u771f\u6b63\u7684\u74f6\u9838\u3002<\/p>\n

\u5982\u4f55\u78ba\u8a8d\u7db2\u8def\u8207\u5ef6\u9072\u554f\u984c<\/h3>\n

\u6309\u9806\u5e8f\u57f7\u884c\u4ee5\u4e0b\u6e2c\u8a66\uff1a<\/p>\n

\n
1. \u5148\u7528 ping \u4f86\u78ba\u8a8d\u554f\u984c\u4e26\u6e2c\u91cf\u5f80\u8fd4\u5ef6\u9072\u3002\u4e00\u822c\u800c\u8a00\uff0c\u56de\u61c9\u6642\u9593\u4f4e\u65bc 50ms \u90fd\u662f\u53ef\u63a5\u53d7\u7684\u3002\u4efb\u4f55\u7a0b\u5ea6\u7684\u5c01\u5305\u907a\u5931\u90fd\u4e0d\u5bb9\u5ffd\u8996\uff0c\u5373\u4fbf\u53ea\u6709 1%\u20132%\uff0c\u4e5f\u8db3\u4ee5\u8b93 TCP \u9000\u907f\u6e1b\u901f\u4e26\u89f8\u767c\u91cd\u50b3\u3002<\/li>\n
2. \u7136\u5f8c\u4f7f\u7528 traceroute\uff0c\u627e\u51fa\u7db2\u8def\u8def\u5f91\u4e2d\u5ef6\u9072\u958b\u59cb\u9661\u589e\u7684\u7bc0\u9ede\u3002<\/li>\n
3. \u6700\u5f8c\u4f7f\u7528 MTR \u53d6\u5f97\u6700\u5b8c\u6574\u7684\u8996\u5716\u3002\u9996\u5148\u89c0\u5bdf Loss% \u6b04\uff1b\u67d0\u4e00\u8df3\u4e0a\u7684\u5c01\u5305\u907a\u5931\u7387\u5982\u679c\u6301\u7e8c\u9ad8\u65bc 2%\u20133%\uff0c\u800c\u4e14\u5728\u5f8c\u7e8c\u7bc0\u9ede\u4f9d\u7136\u5b58\u5728\uff0c\u90a3\u5c31\u662f\u4e00\u500b\u771f\u6b63\u7684\u554f\u984c\u9ede\u3002<\/li>\n<\/ol>\n

   \u518d\u88dc\u5145\u505a\u4e00\u6b21\u541e\u5410\u91cf\u6e2c\u8a66\uff0c\u628a\u5be6\u969b\u53ef\u7528\u983b\u5bec\u8207\u696d\u52d9\u9700\u6c42\u76f8\u6bd4\u5c0d\u3002\u5f9e\u591a\u500b\u5730\u9ede\u6e2c\u91cf\u5ef6\u9072\u548c ping\uff0c\u907f\u514d\u88ab\u67d0\u4e00\u689d\u55ae\u7368\u7684\u58de\u8def\u7531\u8aa4\u5c0e\u3002\u7d9c\u5408\u6aa2\u67e5\u7db2\u8def\u6548\u80fd\u3001\u7db2\u8def\u5ef6\u9072\u548c\u7db2\u8def\u983b\u5bec\uff0c\u56e0\u70ba\u4e00\u689d\u7dda\u8def\u5728\u8868\u9762\u4e0a\u770b\u8d77\u4f86\u300c\u5f88\u5065\u5eb7\u300d\uff0c\u4f46\u5c01\u5305\u907a\u5931\u7387\u537b\u53ef\u80fd\u5df2\u7d93\u5728\u6084\u6084\u6500\u5347\u3002\u67d0\u4e00\u8df3\u9577\u671f\u8868\u73fe\u51fa\u9023\u7dda\u4e0d\u7a69\u5b9a\u6216\u5ef6\u9072\u904e\u9577\uff0c\u8aaa\u660e\u554f\u984c\u51fa\u5728\u5177\u9ad4\u8def\u7531\u7bc0\u9ede\u672c\u8eab\u3002\u82e5 CPU \u6307\u6a19\u5f88\u4e7e\u6de8\u4f46\u7db2\u7ad9\u4f9d\u820a\u7de9\u6162\uff0c\u5247\u53ef\u4ee5\u57fa\u672c\u65b7\u5b9a\u662f\u983b\u5bec\u74f6\u9838\u6216\u7dda\u8def\u58c5\u585e\u5c0e\u81f4\u3002<\/p>\n

   CPU vs \u7db2\u8def\uff1a\u4e26\u6392\u5c0d\u6bd4<\/strong><\/h2>\n

   \u9019\u5169\u985e\u554f\u984c\u5728\u904b\u884c\u7279\u5fb5\u3001\u9069\u5408\u7684\u61c9\u7528\u5834\u666f\u4ee5\u53ca\u6210\u672c\u5f71\u97ff\u4e0a\u90fd\u6709\u660e\u986f\u5dee\u7570\u3002\u628a\u5b83\u5011\u653e\u5728\u4e00\u8d77\u5c0d\u6bd4\uff0c\u6709\u52a9\u65bc\u4f60\u70ba\u4e0d\u540c\u8ca0\u8f09\u9078\u64c7\u6b63\u78ba\u7684\u512a\u5316\u65b9\u6848\u3002<\/p>\n

   \u6548\u80fd\u7279\u5fb5\u8207\u61c9\u7528\u9069\u914d\u6027<\/h3>\n

   CPU \u53d7\u9650\u7684\u61c9\u7528\u5927\u90e8\u5206\u6642\u9593\u90fd\u5728\u8a08\u7b97\u3002Bytearcher \u8209\u7684\u4e00\u500b\u4f8b\u5b50\u5f88\u76f4\u89c0\uff1a\u67d0\u9805\u670d\u52d9\u8981\u8a08\u7b97 SHA-1 \u6821\u9a57\u548c\uff0c\u6838\u5fc3\u5de5\u4f5c\u5c31\u662f\u5c0d\u8f38\u5165\u5b57\u4e32\u53cd\u8986\u505a\u96dc\u6e4a\u3001\u4f4d\u79fb\u548c XOR \u904b\u7b97\uff0c\u9019\u7a2e\u60c5\u6cc1\u4e0b\u66f4\u5feb\u7684\u5132\u5b58\u6216\u7db2\u8def\u5e7e\u4e4e\u5e6b\u4e0d\u4e0a\u5fd9\u3002\u7db2\u8def\u53d7\u9650\u7684\u61c9\u7528\u5247\u5927\u90e8\u5206\u6642\u9593\u90fd\u5728\u7b49\u5f85\u7db2\u8def\u3001\u6a94\u6848\u7cfb\u7d71\u548c\u8cc7\u6599\u5eab\u7684 I\/O\u3002\u5178\u578b\u7684 Node.js \u7db2\u7ad9\u4f3a\u670d\u7aef\u5c31\u7b26\u5408\u9019\u7a2e\u6a21\u5f0f\uff0c\u6b64\u6642\u63d0\u5347\u78c1\u789f\u901f\u5ea6\u6216\u7db2\u8def\u6548\u80fd\u6703\u6709\u660e\u986f\u6548\u679c\u3002<\/p>\n

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

   I\/O \u53d7\u9650\uff08\u7db2\u8def\u53d7\u9650\uff09\u4f7f\u7528\u5834\u666f<\/th>\n	CPU \u53d7\u9650\u4f7f\u7528\u5834\u666f<\/th>\n<\/tr>\n
   \u8655\u7406\u5927\u91cf\u5c0f\u8acb\u6c42\u7684 Web \u4f3a\u670d\u5668\uff08\u8cc7\u6599\u5eab\u67e5\u8a62\u3001API \u547c\u53eb\uff09<\/td>\n	\u6a5f\u5668\u5b78\u7fd2\u8a13\u7df4\u8207\u63a8\u8ad6\uff08\u5927\u91cf\u77e9\u9663\u904b\u7b97\uff09<\/td>\n<\/tr>\n
   \u4e3b\u8981\u8ca0\u8cac\u8f49\u767c\u6216\u62c9\u53d6\u5176\u4ed6\u670d\u52d9\u8cc7\u6599\u7684\u5fae\u670d\u52d9<\/td>\n	\u5f71\u7247\u8f49\u78bc\u3001\u5f71\u50cf\u8655\u7406\u3001\u904a\u6232\u7269\u7406\u5f15\u64ce\u8207\u6a21\u64ec<\/td>\n<\/tr>\n
   \u4ee5\u7db2\u8def\u6216\u78c1\u789f\u901f\u5ea6\u8b80\u5165\u8cc7\u6599\u7684\u8cc7\u6599\u6536\u96c6\u7ba1\u9053<\/td>\n	\u9700\u8981\u5728\u8a18\u61b6\u9ad4\u4e2d\u5b8c\u6210\u5927\u898f\u6a21\u5f59\u7e3d\u7684\u5206\u6790\u4efb\u52d9<\/td>\n<\/tr>\n
   \u6a94\u6848\u4f3a\u670d\u5668\u3001\u4ee3\u7406\u4f3a\u670d\u5668\u8207\u8a0a\u606f\u4f47\u5217\u4e2d\u4ecb\u8edf\u9ad4<\/td>\n	\u5927\u91cf\u4f9d\u8cf4\u52a0\u5bc6\u3001\u96dc\u6e4a\u8207\u58d3\u7e2e\u7684\u670d\u52d9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \u53ef\u89c0\u6e2c\u5230\u7684\u75c7\u72c0\u4e5f\u6709\u52a9\u65bc\u5340\u5206\u5169\u8005\u3002Datadog \u6307\u51fa\uff0c\u7db2\u5361\u932f\u8aa4\u3001\u5c01\u5305\u907a\u5931\u3001CPU \u5c16\u5cf0\u548c\u983b\u5bec\u4f7f\u7528\u7387\u7b49\u6307\u6a19\uff0c\u90fd\u53ef\u4ee5\u4f5c\u70ba\u7db2\u8def\u8a2d\u5099\u5f71\u97ff\u61c9\u7528\u6548\u80fd\u7684\u8b49\u64da\u3002ITU Online \u5247\u9032\u4e00\u6b65\u62c6\u5206\u4e86\u554f\u984c\u5834\u666f\uff1a\u7528\u6236\u7aef CPU \u8cc7\u6e90\u4e0d\u8db3\u6642\uff0c\u6703\u770b\u5230\u9ad8 CPU\u3001\u8a18\u61b6\u9ad4\u5403\u7dca\u3001\u78c1\u789f\u7af6\u722d\u4ee5\u53ca\u5099\u4efd\u6216\u540c\u6b65\u5de5\u5177\u5e36\u4f86\u7684\u80cc\u666f\u6d41\u91cf\uff1b\u7db2\u8def\u8def\u5f91\u554f\u984c\u5247\u8868\u73fe\u70ba\u5728\u7279\u5b9a\u4e00\u8df3\u958b\u59cb\u51fa\u73fe\u5c01\u5305\u907a\u5931\u6216\u5ef6\u9072\uff0c\u8a72\u8df3\u5728\u8ca0\u8f09\u9ad8\u5cf0\u6642\u6703\u8b8a\u5f97\u66f4\u6162\uff0c\u6216\u8005\u662f\u9632\u706b\u7246\u56e0\u6df1\u5ea6\u6aa2\u6e2c\u800c\u9020\u6210\u9593\u6b47\u6027\u5ef6\u9072\u3002<\/p>\n \u6210\u672c\u8207\u6700\u4f73\u9069\u914d\u5834\u666f<\/h3>\n \u6210\u672c\u7684\u8d70\u5411\u53d6\u6c7a\u65bc\u771f\u6b63\u7684\u74f6\u9838\u5728\u54ea\u4e00\u7aef\u3002CPU \u8cc7\u6e90\u4e0d\u8db3\uff0c\u6703\u8feb\u4f7f\u4f60\u9078\u64c7\u66f4\u5927\u7684\u57f7\u884c\u500b\u9ad4\u3001\u66f4\u591a\u7684\u6838\u5fc3\uff0c\u6216\u8005\u6295\u5165\u6642\u9593\u512a\u5316\u7a0b\u5f0f\u78bc\u8207 SQL 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\u6309\u9806\u5e8f\u57f7\u884c\u7684\u6e2c\u8a66<\/h3>\n \u8acb\u56b4\u683c\u9075\u5faa\u56fa\u5b9a\u9806\u5e8f\u4f86\u505a\u8a3a\u65b7\u3002\u9996\u5148\u6aa2\u67e5 CPU \u548c\u7cfb\u7d71\u8ca0\u8f09\uff0c\u56e0\u70ba\u4e00\u65e6\u8655\u7406\u5668\u5df2\u88ab\u5b8c\u5168\u6253\u6eff\uff0c\u5f8c\u7e8c\u7684\u6240\u6709\u6548\u80fd\u6e2c\u8a66\u7d50\u679c\u90fd\u6703\u88ab\u626d\u66f2\u3002\u5728 Windows \u4e0a\uff0c\u53ef\u4ee5\u958b\u555f\u5de5\u4f5c\u7ba1\u7406\u54e1\uff0c\u5c07\u6e05\u55ae\u6309 CPU \u6b04\u5f9e\u9ad8\u5230\u4f4e\u6392\u5e8f\uff0c\u5fae\u8edf\u7684\u7591\u96e3\u6392\u89e3\u6307\u5f15\u4e2d\u5c31\u63a8\u85a6\u4e86\u9019\u4e00\u505a\u6cd5\u3002\u900f\u904e\u8f38\u5165 resmon \u958b\u555f\u8cc7\u6e90\u76e3\u8996\u5668\uff0c\u53ef\u4ee5\u770b\u5230\u5e36\u6709 Average CPU \u7684\u6aa2\u8996\u3002Process Explorer \u5247\u63d0\u4f9b\u4e86\u57f7\u884c\u7dd2\u5c64\u7d1a\u7684\u8a73\u7d30\u8cc7\u8a0a\uff1a\u4ee5\u7cfb\u7d71\u7ba1\u7406\u54e1\u8eab\u5206\u57f7\u884c\uff0c\u53f3\u9375\u76ee\u6a19\u884c\u7a0b\uff0c\u958b\u555f\u300c\u5167\u5bb9\u300d\uff0c\u9032\u5165\u300c\u57f7\u884c\u7dd2\u300d\u6a19\u7c64\u9801\uff0c\u5c31\u80fd\u67e5\u770b\u6700\u7e41\u5fd9\u57f7\u884c\u7dd2\u7684\u547c\u53eb\u5806\u758a\u3002\u5728 Linux \u4e0a\uff0c\u53ef\u4ee5\u57f7\u884c top \u6216 vmstat \u4e26\u95dc\u6ce8 wa \u6307\u6a19\uff0c\u6839\u64da Site24x7 \u7684\u89e3\u91cb\uff0c\u8a72\u503c\u8868\u793a CPU \u82b1\u5728\u7b49\u5f85 I\/O \u4e0a\u7684\u6642\u9593\u6bd4\u4f8b\u3002<\/p>\n \u63a5\u4e0b\u4f86\u518d\u770b\u7db2\u8def\u5ef6\u9072\u8207\u5c01\u5305\u907a\u5931\u3002Kentik \u6307\u51fa\uff0cping \u7528\u65bc\u6e2c\u91cf\u5169\u9ede\u4e4b\u9593\u7684\u5f80\u8fd4\u6642\u9593\uff0ctraceroute \u7528\u65bc\u8a18\u9304\u6bcf\u4e00\u8df3\u6240\u8017\u8cbb\u7684\u6642\u9593\uff0c\u800c MTR 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2<\/code>\uff0c\u53ea\u5217\u51fa\u76ee\u524d\u6709 I\/O \u6d3b\u52d5\u7684\u884c\u7a0b\u53ca\u5176 I\/O \u5360\u6bd4\u3002\u4f7f\u7528 fio \u505a\u96a8\u6a5f 4 KB \u8b80\u5beb\u6e2c\u8a66\uff0c\u4ee5\u6a21\u64ec\u8cc7\u6599\u5eab\u5b58\u53d6\u6a21\u5f0f\uff0c\u4e26\u95dc\u6ce8\u5176\u56de\u5831\u7684 99.00 \u767e\u5206\u4f4d\u5ef6\u9072\uff0c\u8a72\u503c\u901a\u5e38\u4ee5\u5fae\u79d2\u70ba\u55ae\u4f4d\u3002\u9019\u500b\u6578\u503c\u82e5\u975e\u5e38\u9ad8\uff0c\u5c31\u8aaa\u660e\u771f\u6b63\u62d6\u6162\u9801\u9762\u8f09\u5165\u548c\u6574\u9ad4\u6548\u80fd\u7684\u662f\u78c1\u789f\uff0c\u800c\u4e0d\u662f\u8655\u7406\u5668\u3002<\/p>\n \u5982\u4f55\u89e3\u8b80\u6e2c\u8a66\u7d50\u679c<\/h3>\n \u4e0d\u8981\u55ae\u770b\u67d0\u4e00\u500b\u6307\u6a19\uff0c\u800c\u8981\u6210\u5c0d\u5730\u5c0d\u6bd4\u89c0\u5bdf\u3002\u9ad8 CPU \u4f46\u7db2\u8def\u6307\u6a19\u5f88\u4e7e\u6de8\uff0c\u8aaa\u660e\u66f4\u53ef\u80fd\u662f CPU \u8cc7\u6e90\u4e0d\u8db3\u3002CPU 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2%\u20133%\uff0c\u4e14\u5728\u5f8c\u7e8c\u7bc0\u9ede\u4f9d\u7136\u5b58\u5728\uff0c\u90a3\u5c31\u662f\u4e00\u500b\u771f\u6b63\u7684\u554f\u984c\u9ede\u3002\u8981\u5c0d\u6bd4\u591a\u500b\u5730\u9ede\u7684\u6e2c\u8a66\u7d50\u679c\uff1a\u82e5\u6709\u7684\u57ce\u5e02\u9023\u7dda\u5f88\u4e7e\u6de8\uff0c\u6709\u7684\u57ce\u5e02\u5c01\u5305\u907a\u5931\u56b4\u91cd\uff0c\u5c31\u8aaa\u660e\u554f\u984c\u5f88\u53ef\u80fd\u51fa\u5728\u8def\u7531\u8def\u5f91\u4e0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u90e8\u7f72\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u4e0a\u7684\u7db2\u7ad9\u51fa\u73fe\u8f09\u5165\u7de9\u6162\uff0c\u901a\u5e38\u53ef\u4ee5\u6b78\u7d50\u70ba\u5169\u5927\u539f\u56e0\uff1aCPU \u8cc7\u6e90\u4e0d\u8db3\uff0c\u6216\u8005\u7db2\u8def\u7dda\u8def\u54c1\u8cea\u5dee\u3002\u4f60\u53ef\u4ee5\u900f\u904e […]<\/p>\n Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":35637,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[14113,13897,1242,511,259],"class_list":["post-35640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-slow-loading-website","tag-slow-website","tag-server-performance-tc","tag-network-latency-tc","tag-259"],"acf":[],"yoast_head":"\n