{"id":33974,"date":"2026-11-09T10:00:00","date_gmt":"2026-11-09T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33974"},"modified":"2026-10-29T13:31:46","modified_gmt":"2026-10-29T05:31:46","slug":"server-cpu-high-troubleshooting","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/server-cpu-high-troubleshooting\/","title":{"rendered":"\u670d\u52a1\u5668 CPU \u6253\u6ee1\u4f46\u4e1a\u52a1\u91cf\u4e0d\u9ad8\uff1a\u5b9a\u65f6\u4efb\u52a1\u4e0e\u6316\u77ff\u6728\u9a6c\u6392\u67e5\u8def\u5f84"},"content":{"rendered":"

\u4e1a\u52a1\u91cf\u660e\u660e\u4e0d\u9ad8\uff0c\u670d\u52a1\u5668 CPU \u5374\u957f\u671f\u8dd1\u5728 90% \u4ee5\u4e0a\u2014\u2014\u8fd9\u662f\u5f88\u591a\u7ad9\u957f\u90fd\u9047\u5230\u8fc7\u7684\u8be1\u5f02\u573a\u666f\uff1a\u7f51\u7ad9\u8bbf\u95ee\u91cf\u6ca1\u6709\u660e\u663e\u589e\u957f\uff0c\u8ba2\u5355\u4e5f\u6ca1\u6709\u66b4\u589e\uff0c\u4f46\u76d1\u63a7\u9762\u677f\u4e0a\u7684 CPU \u66f2\u7ebf\u4e00\u76f4\u9876\u7740\u7ea2\u7ebf\u3002\u5982\u679c\u4f60\u4e5f\u9047\u5230\u8fd9\u79cd\u60c5\u51b5\uff0c\u5148\u522b\u6025\u7740\u5347\u7ea7\u914d\u7f6e\uff0c\u56e0\u4e3a\u5927\u6982\u7387\u4e0d\u662f\u8d44\u6e90\u4e0d\u591f\uff0c\u800c\u662f\u6709\u8fdb\u7a0b\u5728\u201c\u5077\u201d\u4f60\u7684\u7b97\u529b\u3002<\/p>\n

\u672c\u6587\u8981\u89e3\u51b3\u7684\u6b63\u662f\u8fd9\u4e2a\u95ee\u9898\uff1a\u5982\u4f55\u5728\u4e00\u53f0\u4e1a\u52a1\u91cf\u4e0d\u9ad8\u7684\u670d\u52a1\u5668\u4e0a\uff0c\u627e\u51fa CPU \u88ab\u5360\u6ee1\u7684\u771f\u5b9e\u539f\u56e0\uff0c\u91cd\u70b9\u8986\u76d6\u4e24\u6761\u6700\u5e38\u89c1\u7684\u8def\u5f84\u2014\u2014\u5931\u63a7\u7684\u5b9a\u65f6\u4efb\u52a1\uff0c\u4ee5\u53ca\u8fd1\u5e74\u9ad8\u53d1\u7684\u6316\u77ff\u6728\u9a6c\u3002\u6574\u4e2a\u8fc7\u7a0b\u53ea\u9700\u8981\u547d\u4ee4\u884c\u548c\u7cfb\u7edf\u81ea\u5e26\u5de5\u5177\uff0c\u4e0d\u9700\u8981\u989d\u5916\u5b89\u88c5\u76d1\u63a7\u8f6f\u4ef6\uff0c\u8ddf\u7740\u6392\u67e5\u6b65\u9aa4\u8d70\uff0c\u5927\u591a\u6570\u60c5\u51b5\u4e0b 30 \u5206\u949f\u5185\u5c31\u80fd\u5b9a\u4f4d\u5143\u51f6\u3002<\/p>\n

\"\u670d\u52a1\u5668CPU\u8fc7\u8f7d\u6392\u67e5\u4e3b\u9898\u5c01\u9762\u63d2\u56fe\"<\/p>\n

<\/p>\n

\u5148\u5b9a\u4f4d\uff1a\u5230\u5e95\u662f\u8c01\u5728\u5403 CPU<\/h2>\n

\u6392\u67e5\u7684\u7b2c\u4e00\u6b65\u6c38\u8fdc\u662f\u786e\u8ba4\u201c\u5acc\u7591\u4eba\u201d\uff0c\u800c\u4e0d\u662f\u51ed\u611f\u89c9\u91cd\u542f\u3002SSH \u767b\u5f55\u670d\u52a1\u5668\u540e\uff0c\u5148\u7528 top<\/code> \u770b\u6574\u4f53\u60c5\u51b5\uff1a<\/p>\n

top -b -n 1 | head -20\n<\/code><\/pre>\n
\u91cd\u70b9\u5173\u6ce8\u4e24\u5217\uff1a%CPU<\/code> \u6392\u540d\u6700\u9760\u524d\u7684\u8fdb\u7a0b\uff0c\u4ee5\u53ca us<\/code>\uff08\u7528\u6237\u6001\uff09\u548c sy<\/code>\uff08\u5185\u6838\u6001\uff09\u7684\u5360\u6bd4\u3002\u5982\u679c us<\/code> \u957f\u671f\u63a5\u8fd1 100%\uff0c\u8bf4\u660e\u662f\u67d0\u4e2a\u7528\u6237\u8fdb\u7a0b\u5728\u5927\u91cf\u6d88\u8017\u7b97\u529b\uff1b\u5982\u679c load average<\/code> \u8fdc\u9ad8\u4e8e CPU \u6838\u5fc3\u6570\uff08\u6bd4\u5982 4 \u6838\u673a\u5668 load \u5230 20 \u4ee5\u4e0a\uff09\uff0c\u8fd8\u8981\u8b66\u60d5\u662f\u5426\u6709\u5927\u91cf\u7b49\u5f85 I\/O \u7684\u8fdb\u7a0b\u3002<\/p>\n
\u627e\u5230\u5360\u7528\u6700\u9ad8\u7684\u8fdb\u7a0b\u540e\uff0c\u8bb0\u4e0b\u5b83\u7684 PID \u548c\u6240\u5c5e\u7528\u6237\u3002\u8fd9\u91cc\u6709\u4e00\u4e2a\u5173\u952e\u7ec6\u8282\uff1a\u770b\u8fdb\u7a0b\u7684\u7528\u6237<\/strong>\u3002\u5982\u679c\u4e1a\u52a1\u8fdb\u7a0b\u90fd\u5c5e\u4e8e www<\/code> \u6216 nginx<\/code> \u7528\u6237\uff0c\u800c\u67d0\u4e2a\u9ad8 CPU \u8fdb\u7a0b\u8dd1\u5728 nobody<\/code>\u3001daemon<\/code> \u751a\u81f3\u968f\u673a\u7528\u6237\u540d\u4e0b\uff0c\u8fd9\u672c\u8eab\u5c31\u662f\u5f3a\u70c8\u7684\u5f02\u5e38\u4fe1\u53f7\u3002\u63a5\u7740\u7528\u8fd9\u6761\u547d\u4ee4\u67e5\u770b\u8be5\u8fdb\u7a0b\u7684\u5b8c\u6574\u542f\u52a8\u547d\u4ee4\uff1a<\/p>\n
ps -fp <PID>\n<\/code><\/pre>\n
\u5982\u679c\u547d\u4ee4\u884c\u662f\u4e00\u4e32\u4e71\u7801\u8def\u5f84\uff08\u6bd4\u5982 \/tmp\/.x\/kinsing<\/code>\u3001\/var\/tmp\/.systemd\/<\/code> \u8fd9\u7c7b\u85cf\u5728\u4e34\u65f6\u76ee\u5f55\u91cc\u7684\u53ef\u6267\u884c\u6587\u4ef6\uff09\uff0c\u57fa\u672c\u53ef\u4ee5\u5224\u5b9a\u4e0d\u662f\u6b63\u5e38\u4e1a\u52a1\u3002\u6b64\u65f6\u53ef\u4ee5\u7528 ls -l \/proc\/<PID>\/exe<\/code> \u786e\u8ba4\u8fdb\u7a0b\u771f\u5b9e\u5bf9\u5e94\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u4f4d\u7f6e\u2014\u2014\u6316\u77ff\u6728\u9a6c\u6700\u5e38\u89c1\u7684\u85cf\u8eab\u76ee\u5f55\u5c31\u662f \/tmp<\/code>\u3001\/var\/tmp<\/code> \u548c \/dev\/shm<\/code>\uff0c\u56e0\u4e3a\u8fd9\u4e09\u4e2a\u76ee\u5f55\u91cd\u542f\u540e\u5185\u5bb9\u53ef\u80fd\u88ab\u6e05\u7406\uff0c\u653b\u51fb\u8005\u559c\u6b22\u628a\u6837\u672c\u4e22\u5728\u8fd9\u91cc\u3002<\/p>\n
\u8def\u5f84\u4e00\uff1a\u5b9a\u65f6\u4efb\u52a1\u5931\u63a7\u4e0e\u88ab\u7be1\u6539<\/h2>\n
CPU \u6253\u6ee1\u7684\u7b2c\u4e8c\u5927\u5e38\u89c1\u6765\u6e90\u662f\u5b9a\u65f6\u4efb\u52a1\u3002\u5b83\u7684\u95ee\u9898\u5728\u4e8e\u9690\u853d\uff1a\u5355\u6b21\u6267\u884c\u53ef\u80fd\u53ea\u8dd1\u51e0\u79d2\uff0c\u4f46 cron \u8c03\u5ea6\u9891\u7e41\uff0c\u6216\u8005\u811a\u672c\u903b\u8f91\u5931\u63a7\uff08\u6bd4\u5982\u6ca1\u6709\u9000\u51fa\u6761\u4ef6\u7684\u5faa\u73af\u3001\u8bef\u5199\u7684\u9012\u5f52\u5907\u4efd\uff09\uff0c\u7d2f\u79ef\u8d77\u6765\u5c31\u628a CPU \u5403\u5149\u4e86\u3002\u66f4\u5371\u9669\u7684\u60c5\u51b5\u662f\u5b9a\u65f6\u4efb\u52a1\u88ab\u653b\u51fb\u8005\u7be1\u6539\uff0c\u6210\u4e3a\u6728\u9a6c\u7684\u201c\u4fdd\u6d3b\u201d\u673a\u5236\u2014\u2014\u5373\u4f7f\u4f60\u624b\u52a8\u6740\u6389\u8fdb\u7a0b\uff0c\u51e0\u5206\u949f\u540e\u5b83\u53c8\u4f1a\u88ab cron \u62c9\u8d77\u6765\u3002<\/p>\n
\u5148\u76d8\u70b9\u7cfb\u7edf\u91cc\u6240\u6709 cron \u5165\u53e3\uff0c\u628a\u4e0b\u9762\u8fd9\u4e9b\u4f4d\u7f6e\u6328\u4e2a\u8fc7\u4e00\u904d\uff1a<\/p>\n
crontab -l                          # \u5f53\u524d\u7528\u6237\u7684\u5b9a\u65f6\u4efb\u52a1\nls -la \/etc\/cron.d\/ \/etc\/cron.daily\/ \/var\/spool\/cron\/\ncat \/etc\/crontab\n<\/code><\/pre>\n
\u5ba1\u67e5\u65f6\u6709\u4e09\u4e2a\u8bc6\u522b\u8981\u70b9\u3002\u7b2c\u4e00\uff0c\u770b\u6267\u884c\u9891\u7387\uff1a* * * * *<\/code> \u8fd9\u79cd\u6bcf\u5206\u949f\u6267\u884c\u4e00\u6b21\u7684\u4efb\u52a1\uff0c\u5982\u679c\u811a\u672c\u672c\u8eab\u8017\u65f6\u8d85\u8fc7 1 \u5206\u949f\uff0c\u8fdb\u7a0b\u4f1a\u4e0d\u65ad\u5806\u79ef\uff0cCPU \u5c31\u662f\u8fd9\u6837\u88ab\u6253\u6ee1\u7684\u3002\u7b2c\u4e8c\uff0c\u770b\u6267\u884c\u5185\u5bb9\uff1a\u6b63\u5e38\u4e1a\u52a1\u7684\u5b9a\u65f6\u4efb\u52a1\u901a\u5e38\u6709\u660e\u786e\u8bed\u4e49\uff08\u5907\u4efd\u6570\u636e\u5e93\u3001\u6e05\u7406\u65e5\u5fd7\uff09\uff0c\u800c\u53ef\u7591\u4efb\u52a1\u5f80\u5f80\u662f\u4e00\u884c curl<\/code> \u6216 wget<\/code> \u4ece\u5916\u90e8\u5730\u5740\u4e0b\u8f7d\u811a\u672c\u518d\u4ea4\u7ed9 bash<\/code> \u6267\u884c\uff0c\u8fd9\u7c7b\u201c\u4e0b\u8f7d\u5373\u6267\u884c\u201d\u7684\u4efb\u52a1\u51e0\u4e4e\u53ef\u4ee5\u786e\u5b9a\u662f\u6076\u610f\u7684\u3002\u7b2c\u4e09\uff0c\u770b\u6587\u4ef6\u4fee\u6539\u65f6\u95f4\uff1a\u7528 stat \/etc\/cron.d\/<\u6587\u4ef6\u540d><\/code> \u67e5\u770b\u6539\u52a8\u65f6\u95f4\uff0c\u5982\u679c\u67d0\u4e2a\u4f60\u4ece\u672a\u914d\u7f6e\u8fc7\u7684\u4efb\u52a1\u51fa\u73b0\u5728\u6700\u8fd1\u51e0\u5929\uff0c\u5c31\u8981\u9ad8\u5ea6\u8b66\u60d5\u3002<\/p>\n
\u786e\u8ba4\u53ef\u7591\u4efb\u52a1\u540e\uff0c\u5904\u7f6e\u987a\u5e8f\u6709\u8bb2\u7a76\uff1a\u5148\u5220\u9664\u4efb\u52a1\u6761\u76ee\uff0c\u518d\u6e05\u7406\u5b83\u8c03\u7528\u7684\u811a\u672c\u6587\u4ef6\uff0c\u6700\u540e\u6740\u6389\u8fdb\u7a0b\u2014\u2014\u5982\u679c\u987a\u5e8f\u53cd\u4e86\uff0c\u5148\u6740\u8fdb\u7a0b\u800c\u4efb\u52a1\u8fd8\u5728\uff0ccron \u4f1a\u7acb\u523b\u628a\u5b83\u62c9\u8d77\u6765\u3002\u53e6\u5916\u522b\u5fd8\u4e86\u68c0\u67e5 at<\/code> \u961f\u5217\uff08atq<\/code> \u547d\u4ee4\uff09\u548c systemd timer\uff08systemctl list-timers<\/code>\uff09\uff0c\u8fd9\u4e24\u4e2a\u4f4d\u7f6e\u540c\u6837\u662f\u5b9a\u65f6\u6267\u884c\u7684\u524d\u7f6e\u5165\u53e3\uff0c\u6392\u67e5\u65f6\u7ecf\u5e38\u88ab\u9057\u6f0f\u3002<\/p>\n
\"\u901a\u8fc7\u8fdb\u7a0b\u5217\u8868\u5b9a\u4f4d\u9ad8CPU\u5360\u7528\u8fdb\u7a0b\u7684\u793a\u610f\u56fe\"<\/p>\n
\u8def\u5f84\u4e8c\uff1a\u6316\u77ff\u6728\u9a6c\u7684\u8bc6\u522b\u4e0e\u6e05\u9664<\/h2>\n
\u5982\u679c\u5b9a\u65f6\u4efb\u52a1\u91cc\u53d1\u73b0\u4e86\u201c\u4e0b\u8f7d\u5373\u6267\u884c\u201d\u7684\u6761\u76ee\uff0c\u6216\u8005\u9ad8 CPU \u8fdb\u7a0b\u85cf\u5728\u4e34\u65f6\u76ee\u5f55\uff0c\u57fa\u672c\u53ef\u4ee5\u6309\u6316\u77ff\u6728\u9a6c\u5904\u7406\u3002\u8fd9\u7c7b\u6728\u9a6c\u7684\u76ee\u7684\u5f88\u7eaf\u7cb9\uff1a\u5229\u7528\u4f60\u7684\u670d\u52a1\u5668\u7b97\u529b\u6316\u52a0\u5bc6\u8d27\u5e01\uff0c\u6240\u4ee5\u5b83\u7684\u7279\u5f81\u4e5f\u975e\u5e38\u9c9c\u660e\u2014\u2014CPU \u957f\u671f\u6ee1\u8f7d\u3001\u8fdb\u7a0b\u540d\u4f2a\u88c5\u6210\u7cfb\u7edf\u8fdb\u7a0b\u3001\u6740\u6389\u540e\u81ea\u52a8\u590d\u6d3b\u3002<\/p>\n
\u6e05\u9664\u8981\u6309\u201c\u65ad\u518d\u751f \u2192 \u6740\u8fdb\u7a0b \u2192 \u6e05\u6b8b\u7559\u201d\u7684\u987a\u5e8f\u505a\u3002\u7b2c\u4e00\u6b65\u5148\u5904\u7406\u518d\u751f\u673a\u5236\uff0c\u9664\u4e86\u4e0a\u9762\u8bf4\u7684 cron\uff0c\u8fd8\u8981\u68c0\u67e5\u8fd9\u51e0\u4e2a\u4f4d\u7f6e\uff1a<\/p>\n
ls -la \/etc\/ld.so.preload 2>\/dev\/null    # \u52a8\u6001\u94fe\u63a5\u52ab\u6301\nsystemctl list-timers --all | head -15\nls -la ~\/.ssh\/authorized_keys            # \u662f\u5426\u88ab\u585e\u5165\u964c\u751f\u516c\u94a5\n<\/code><\/pre>\n
\/etc\/ld.so.preload<\/code> \u662f\u5f88\u591a\u6316\u77ff\u6728\u9a6c\u7528\u6765\u9690\u85cf\u81ea\u8eab\u7684\u624b\u6bb5\uff1a\u5b83\u901a\u8fc7\u9884\u52a0\u8f7d\u4e00\u4e2a\u6076\u610f\u52a8\u6001\u5e93\uff0c\u8ba9 top<\/code>\u3001ps<\/code> \u7b49\u5de5\u5177\u770b\u4e0d\u5230\u6728\u9a6c\u8fdb\u7a0b\u3002\u5982\u679c\u4f60\u53d1\u73b0\u8fd9\u4e2a\u6587\u4ef6\u5b58\u5728\u4f46\u5185\u5bb9\u6307\u5411\u4e0d\u660e so \u6587\u4ef6\uff0c\u5148\u628a\u5b83\u6e05\u7a7a\uff0c\u518d\u91cd\u65b0\u6267\u884c top<\/code>\u2014\u2014\u5f88\u591a\u65f6\u5019\u201c\u770b\u4e0d\u5230\u7684\u8fdb\u7a0b\u201d\u8fd9\u65f6\u624d\u4f1a\u73b0\u5f62\u3002<\/p>\n
\u7b2c\u4e8c\u6b65\u662f\u6740\u8fdb\u7a0b\u3002\u5bf9\u85cf\u8eab \/tmp<\/code> \u7684\u6728\u9a6c\uff0c\u76f4\u63a5 kill -9 <PID><\/code> \u4e4b\u540e\u7acb\u523b\u5220\u9664\u5bf9\u5e94\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u548c\u6240\u5728\u76ee\u5f55\uff0c\u907f\u514d shell \u5386\u53f2\u6216\u5176\u5b83\u673a\u5236\u518d\u6b21\u6267\u884c\u5b83\u3002\u7b2c\u4e09\u6b65\u6e05\u6b8b\u7559\uff1a\u68c0\u67e5 ~\/.ssh\/authorized_keys<\/code> \u91cc\u6709\u6ca1\u6709\u4e0d\u8ba4\u8bc6\u7684\u516c\u94a5\uff08\u653b\u51fb\u8005\u7684\u540e\u95e8\uff09\uff0c\u68c0\u67e5 last<\/code> \u548c lastb<\/code> \u91cc\u7684\u5f02\u5e38\u767b\u5f55\u8bb0\u5f55\uff0c\u5fc5\u8981\u65f6\u4fee\u6539\u6240\u6709\u8d26\u53f7\u5bc6\u7801\u3002\u6574\u4e2a\u6d41\u7a0b\u8d70\u5b8c\u4e4b\u540e\uff0c\u89c2\u5bdf 24 \u5c0f\u65f6\uff1a\u5982\u679c CPU \u56de\u843d\u6b63\u5e38\u4e14\u6ca1\u6709\u65b0\u8fdb\u7a0b\u590d\u6d3b\uff0c\u624d\u7b97\u6e05\u9664\u6210\u529f\u3002<\/p>\n
\u987a\u5e26\u8bf4\u4e00\u53e5\u6743\u9650\u5c42\u9762\u7684\u9884\u9632\uff1a\u591a\u6570\u6316\u77ff\u6728\u9a6c\u662f\u5229\u7528\u5f31\u53e3\u4ee4\u6216\u672a\u6388\u6743\u670d\u52a1\u8fdb\u6765\u7684\u3002\u628a SSH \u6539\u6210\u5bc6\u94a5\u767b\u5f55\u3001\u7981\u7528 root \u76f4\u63a5\u767b\u5f55\u3001\u5173\u95ed\u7528\u4e0d\u5230\u7684\u7aef\u53e3\uff0c\u8fd9\u4e09\u4ef6\u4e8b\u505a\u5b8c\uff0c\u4e2d\u62db\u6982\u7387\u4f1a\u5927\u5e45\u4e0b\u964d\u3002\u5982\u679c\u4f60\u7684\u4e1a\u52a1\u8dd1\u5728\u591a\u53f0\u670d\u52a1\u5668\u4e0a\uff0c\u4e00\u53f0\u4e2d\u62db\u540e\u5176\u5b83\u673a\u5668\u4e5f\u5e94\u6309\u540c\u6837\u8def\u5f84\u8fc7\u4e00\u904d\uff0c\u653b\u51fb\u8005\u62ff\u5230\u5185\u7f51\u8df3\u677f\u540e\u6a2a\u5411\u79fb\u52a8\u662f\u5e38\u89c1\u64cd\u4f5c\u3002<\/p>\n
\"\u5b9a\u65f6\u4efb\u52a1\u5ba1\u8ba1\u4e0e\u53ef\u7591\u8ba1\u5212\u4efb\u52a1\u8bc6\u522b\u793a\u610f\u56fe\"<\/p>\n
\"\u670d\u52a1\u5668\u5b89\u5168\u9632\u62a4\u62b5\u5fa1\u6316\u77ff\u6728\u9a6c\u793a\u610f\u56fe\"<\/p>\n
\u4e00\u7ec4\u771f\u5b9e\u5bf9\u7167\u6570\u636e<\/h2>\n
\u7528\u4e00\u4e2a\u5178\u578b\u6848\u4f8b\u8bf4\u660e\u6392\u67e5\u7684\u6536\u76ca\u3002\u67d0\u5916\u8d38\u7ad9\u5ba2\u6237\u7684\u670d\u52a1\u5668\uff084 \u6838 8G\uff09\u8fde\u7eed\u4e00\u5468 CPU \u8dd1\u5728 85% \u4ee5\u4e0a\uff0c\u7f51\u7ad9\u6253\u5f00\u8981 8 \u79d2\u591a\uff0c\u4e1a\u52a1\u9ad8\u5cf0\u671f\u751a\u81f3\u8d85\u65f6\u3002\u8d77\u521d\u8fd0\u8425\u5efa\u8bae\u76f4\u63a5\u5347\u914d\u5230 8 \u6838\uff0c\u4f46\u6392\u67e5\u540e\u53d1\u73b0\uff1a\u662f\u4e00\u4e2a\u6bcf\u5206\u949f\u6267\u884c\u4e00\u6b21\u7684\u5168\u91cf\u5907\u4efd\u811a\u672c\u5931\u63a7\u4e86\uff0c\u6bcf\u6b21\u6267\u884c\u8981 90 \u79d2\uff0c\u8fdb\u7a0b\u4e0d\u65ad\u5806\u79ef\uff1b\u540c\u65f6 \/etc\/cron.d\/<\/code> \u91cc\u8fd8\u6709\u4e00\u4e2a\u964c\u751f\u7684\u4e0b\u8f7d\u4efb\u52a1\u5728\u62c9\u8d77\u6316\u77ff\u7a0b\u5e8f\u3002\u6309\u672c\u6587\u8def\u5f84\u5904\u7406\u5b8c\u4e4b\u540e\uff0c\u540c\u4e00\u53f0\u673a\u5668 CPU \u964d\u5230 15% \u4ee5\u4e0b\uff0c\u9875\u9762\u6253\u5f00\u65f6\u95f4\u56de\u5230 1.2 \u79d2\uff0c\u6ca1\u6709\u82b1\u4e00\u5206\u94b1\u5347\u7ea7\u8d39\u7528\u3002<\/p>\n
\u8fd9\u4e2a\u6848\u4f8b\u7684\u5bf9\u7167\u5f88\u76f4\u89c2\uff1a<\/p>\n\n\n\n\n\n\n\n
\u573a\u666f<\/th>\n\u5904\u7406\u65b9\u5f0f<\/th>\nCPU \u5360\u7528<\/th>\n\u9875\u9762\u54cd\u5e94<\/th>\n<\/tr>\n<\/thead>\n
\u5347\u7ea7\u524d\uff08\u811a\u672c\u5931\u63a7 + \u6316\u77ff\u6728\u9a6c\uff09<\/td>\n\u672a\u5904\u7406<\/td>\n85%+<\/td>\n8 \u79d2<\/td>\n<\/tr>\n
\u76f4\u63a5\u5347\u914d\uff08\u672a\u6392\u67e5\uff09<\/td>\n4 \u6838\u5347 8 \u6838<\/td>\n\u9884\u8ba1\u4ecd 80%+<\/td>\n\u6539\u5584\u6709\u9650<\/td>\n<\/tr>\n
\u6309\u6392\u67e5\u8def\u5f84\u5904\u7406<\/td>\n\u6e05\u4efb\u52a1 + \u6e05\u6728\u9a6c<\/td>\n15% \u4ee5\u4e0b<\/td>\n1.2 \u79d2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u76f4\u63a5\u5347\u914d\u770b\u4f3c\u7701\u4e8b\uff0c\u5b9e\u9645\u662f\u7ed9\u5931\u63a7\u4efb\u52a1\u548c\u6728\u9a6c\u66f4\u591a\u7b97\u529b\uff0c\u95ee\u9898\u53ea\u4f1a\u88ab\u63a9\u76d6\u3002\u6392\u67e5\u5b9a\u4f4d\u867d\u7136\u591a\u82b1\u534a\u5c0f\u65f6\uff0c\u4f46\u89e3\u51b3\u7684\u662f\u6839\u56e0\u3002\u8fd9\u4e5f\u662f\u6211\u4eec\u5728\u5904\u7406 \u670d\u52a1\u5668\u6027\u80fd<\/a> \u7c7b\u5de5\u5355\u65f6\u59cb\u7ec8\u575a\u6301\u7684\u539f\u5219\uff1a\u5148\u786e\u8ba4\u8d44\u6e90\u53bb\u4e86\u54ea\u91cc\uff0c\u518d\u51b3\u5b9a\u8981\u4e0d\u8981\u52a0\u8d44\u6e90\u3002<\/p>\n
\u5982\u679c\u6392\u67e5\u4e4b\u540e\u786e\u8ba4\u662f\u4e1a\u52a1\u771f\u5b9e\u589e\u957f\u5bfc\u81f4\u8d1f\u8f7d\u4e0a\u5347\uff0c\u90a3\u4e48\u5347\u7ea7\u624d\u662f\u5408\u7406\u9009\u62e9\u3002\u8fd9\u65f6\u53ef\u4ee5\u8bc4\u4f30\u8fc1\u79fb\u5230\u66f4\u9ad8\u914d\u7f6e\u7684 VPS \u4e3b\u673a<\/a>\uff08VPS<\/a> \u5373\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff0c\u8d44\u6e90\u72ec\u4eab\u3001\u6027\u80fd\u7a33\u5b9a\uff09\uff0c\u6216\u8d1f\u8f7d\u66f4\u5927\u7684\u4e1a\u52a1\u76f4\u63a5\u4e0a \u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff08\u6574\u53f0\u7269\u7406\u673a\u5f52\u4f60\u72ec\u7528\uff0c\u4e0d\u5b58\u5728\u90bb\u5c45\u5e72\u6270\uff09\u3002\u800c\u5171\u4eab\u73af\u5883\u4e0b\u7684 \u865a\u62df\u4e3b\u673a<\/a> \u867d\u7136\u6709\u8d44\u6e90\u9694\u79bb\u673a\u5236\uff0c\u4f46\u6392\u67e5\u601d\u8def\u540c\u6837\u9002\u7528\u2014\u2014\u5148\u770b\u8fdb\u7a0b\u548c\u5b9a\u65f6\u4efb\u52a1\uff0c\u518d\u770b\u771f\u5b9e\u8d44\u6e90\u9700\u6c42\u3002<\/p>\n
\u603b\u7ed3\u4e0e\u4e0b\u4e00\u6b65\u5efa\u8bae<\/h2>\n
\u56de\u987e\u6574\u6761\u6392\u67e5\u8def\u5f84\uff0c\u6838\u5fc3\u903b\u8f91\u53ea\u6709\u4e09\u6b65\uff1a\u5148\u7528 top<\/code> \u548c ps<\/code> \u5b9a\u4f4d\u9ad8 CPU \u8fdb\u7a0b\u7684\u771f\u5b9e\u8eab\u4efd\uff0c\u518d\u68c0\u67e5 cron\u3001at\u3001systemd timer \u8fd9\u4e9b\u5b9a\u65f6\u5165\u53e3\u6709\u6ca1\u6709\u5931\u63a7\u4efb\u52a1\u6216\u88ab\u7be1\u6539\u7684\u6761\u76ee\uff0c\u6700\u540e\u6309”\u65ad\u518d\u751f\u3001\u6740\u8fdb\u7a0b\u3001\u6e05\u6b8b\u7559”\u7684\u987a\u5e8f\u6e05\u9664\u6316\u77ff\u6728\u9a6c\u5e76\u9a8c\u8bc1 24 \u5c0f\u65f6\u3002\u591a\u6570”\u4e1a\u52a1\u91cf\u4e0d\u9ad8\u4f46 CPU \u6253\u6ee1”\u7684\u60c5\u51b5\uff0c\u5143\u51f6\u5c31\u85cf\u5728\u8fd9\u4e09\u6b65\u4e4b\u4e2d\u3002<\/p>\n
\u7ed9\u4f60\u4e09\u6761\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u7684\u5efa\u8bae\uff1a<\/p>\n
    \n
  • \u4eca\u5929\u5c31\u82b1\u4e94\u5206\u949f\u8dd1\u4e00\u904d crontab -l<\/code> \u548c ls \/etc\/cron.d\/<\/code>\uff0c\u786e\u8ba4\u6bcf\u4e00\u4e2a\u5b9a\u65f6\u4efb\u52a1\u4f60\u90fd\u80fd\u8bf4\u6e05\u7528\u9014\u2014\u2014\u8bf4\u4e0d\u6e05\u7684\u5c31\u662f\u98ce\u9669<\/li>\n
  • \u68c0\u67e5 SSH \u662f\u5426\u8fd8\u5141\u8bb8\u5bc6\u7801\u767b\u5f55\uff0c\u5982\u679c\u662f\uff0c\u5c3d\u5feb\u5207\u6362\u5230\u5bc6\u94a5\u767b\u5f55\u5e76\u7981\u7528 root \u76f4\u63a5\u767b\u5f55<\/li>\n
  • \u4e3a\u670d\u52a1\u5668\u914d\u4e0a\u57fa\u7840\u7684\u8d44\u6e90\u544a\u8b66\uff08CPU \u8fde\u7eed 15 \u5206\u949f\u8d85 80% \u5c31\u901a\u77e5\uff09\uff0c\u65e9\u53d1\u73b0\u6bd4\u4e8b\u540e\u6e05\u7406\u6210\u672c\u4f4e\u5f97\u591a<\/li>\n<\/ul>\n
    \u5982\u679c\u4f60\u9700\u8981\u4e00\u53f0\u6392\u67e5\u4e4b\u540e\u4ecd\u4e0d\u591f\u7528\u7684\u5347\u7ea7\u65b9\u6848\uff0c\u6216\u8005\u5e0c\u671b\u6258\u7ba1\u73af\u5883\u81ea\u5e26\u8d44\u6e90\u9694\u79bb\u548c\u76d1\u63a7\u544a\u8b66\uff0c\u53ef\u4ee5\u8003\u8651\u4e86\u89e3 Hostease \u7684\u670d\u52a1\u5668\u4ea7\u54c1\u7ebf\uff0c\u6211\u4eec\u5efa\u8bae\u5148\u660e\u786e\u4e1a\u52a1\u7684\u771f\u5b9e\u8d44\u6e90\u753b\u50cf\u518d\u505a\u9009\u62e9\uff0c\u907f\u514d\u4e3a\u5931\u63a7\u4efb\u52a1\u548c\u6728\u9a6c\u4e70\u5355\u3002\u628a\u672c\u6587\u7684\u6392\u67e5\u8def\u5f84\u5b58\u4e0b\u6765\uff0c\u4e0b\u6b21 CPU \u518d\u98d9\u9ad8\u65f6\u6309\u56fe\u7d22\u9aa5\uff0c\u5927\u6982\u7387\u534a\u5c0f\u65f6\u5185\u5c31\u80fd\u627e\u5230\u7b54\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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