{"id":45578,"date":"2025-07-30T00:36:01","date_gmt":"2025-07-29T16:36:01","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/45578.html"},"modified":"2025-07-30T00:36:01","modified_gmt":"2025-07-29T16:36:01","slug":"linux-%e6%80%a7%e8%83%bd%e8%b0%83%e4%bc%98%ef%bc%9a%e8%bf%99%e4%ba%9b%e5%b7%a5%e5%85%b7%e8%ae%a9%e4%bd%a0%e7%9a%84%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%84%95%e5%8f%91%e6%96%b0%e7%94%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/45578.html","title":{"rendered":"Linux \u6027\u80fd\u8c03\u4f18\uff1a\u8fd9\u4e9b\u5de5\u5177\u8ba9\u4f60\u7684\u670d\u52a1\u5668\u7115\u53d1\u65b0\u751f"},"content":{"rendered":"<p>\u672c\u6587\u805a\u7126 Linux \u670d\u52a1\u5668\u6027\u80fd\u8c03\u4f18&#xff0c;\u4e3a\u8bfb\u8005\u8be6\u7ec6\u4ecb\u7ecd\u4e00\u7cfb\u5217\u5b9e\u7528\u5de5\u5177&#xff0c;\u6db5\u76d6\u7cfb\u7edf\u76d1\u63a7\u3001\u8d44\u6e90\u5206\u6790\u3001\u8fdb\u7a0b\u7ba1\u7406\u7b49\u591a\u4e2a\u65b9\u9762\u3002\u901a\u8fc7\u9610\u8ff0\u8fd9\u4e9b\u5de5\u5177\u7684\u529f\u80fd\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u5728\u6027\u80fd\u8c03\u4f18\u4e2d\u7684\u5177\u4f53\u5e94\u7528&#xff0c;\u5e2e\u52a9\u8fd0\u7ef4\u4eba\u5458\u7cbe\u51c6\u5b9a\u4f4d\u670d\u52a1\u5668\u6027\u80fd\u74f6\u9888&#xff0c;\u5982 CPU \u5360\u7528\u8fc7\u9ad8\u3001\u5185\u5b58\u6cc4\u6f0f\u3001\u78c1\u76d8 I\/O \u62e5\u5835\u7b49\u95ee\u9898&#xff0c;\u5e76\u7ed9\u51fa\u9488\u5bf9\u6027\u7684\u4f18\u5316\u7b56\u7565&#xff0c;\u8ba9\u670d\u52a1\u5668\u6027\u80fd\u5f97\u5230\u663e\u8457\u63d0\u5347&#xff0c;\u7115\u53d1\u65b0\u751f\u3002\u200b<\/p>\n<p>\u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3&#xff0c;Linux \u670d\u52a1\u5668\u51ed\u501f\u5176\u7a33\u5b9a\u6027\u3001\u5b89\u5168\u6027\u548c\u5f00\u6e90\u7279\u6027&#xff0c;\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u7c7b\u4e1a\u52a1\u573a\u666f\u3002\u7136\u800c&#xff0c;\u968f\u7740\u4e1a\u52a1\u91cf\u7684\u589e\u957f\u548c\u5e94\u7528\u590d\u6742\u5ea6\u7684\u63d0\u5347&#xff0c;\u670d\u52a1\u5668\u6027\u80fd\u5f80\u5f80\u4f1a\u9762\u4e34\u8bf8\u591a\u6311\u6218&#xff0c;\u5982\u54cd\u5e94\u53d8\u6162\u3001\u5361\u987f\u751a\u81f3\u5d29\u6e83\u7b49\u3002\u56e0\u6b64&#xff0c;\u505a\u597d Linux \u6027\u80fd\u8c03\u4f18\u5de5\u4f5c\u81f3\u5173\u91cd\u8981&#xff0c;\u800c\u638c\u63e1\u5408\u9002\u7684\u8c03\u4f18\u5de5\u5177\u662f\u5b9e\u73b0\u9ad8\u6548\u8c03\u4f18\u7684\u5173\u952e\u3002\u200b<\/p>\n<p>\u4e00\u3001\u7cfb\u7edf\u76d1\u63a7\u5de5\u5177\u200b<\/p>\n<li>top \u547d\u4ee4&#xff1a;\u8fd9\u662f Linux \u7cfb\u7edf\u4e2d\u6700\u5e38\u7528\u7684\u5b9e\u65f6\u7cfb\u7edf\u76d1\u63a7\u5de5\u5177\u4e4b\u4e00&#xff0c;\u80fd\u591f\u52a8\u6001\u663e\u793a\u7cfb\u7edf\u4e2d\u5404\u4e2a\u8fdb\u7a0b\u7684\u8d44\u6e90\u5360\u7528\u60c5\u51b5&#xff0c;\u5305\u62ec CPU \u4f7f\u7528\u7387\u3001\u5185\u5b58\u5360\u7528\u3001\u8fd0\u884c\u65f6\u95f4\u7b49\u5173\u952e\u4fe1\u606f\u3002\u5728\u4f7f\u7528\u65f6&#xff0c;\u76f4\u63a5\u5728\u7ec8\u7aef\u8f93\u5165 \u201ctop\u201d \u5373\u53ef\u542f\u52a8\u3002\u901a\u8fc7 top \u547d\u4ee4&#xff0c;\u8fd0\u7ef4\u4eba\u5458\u53ef\u4ee5\u5feb\u901f\u53d1\u73b0 CPU \u5360\u7528\u7387\u8fc7\u9ad8\u7684\u8fdb\u7a0b&#xff0c;\u6309\u4e0b \u201cP\u201d \u952e\u53ef\u6309\u7167 CPU \u4f7f\u7528\u7387\u6392\u5e8f&#xff0c;\u4fbf\u4e8e\u5b9a\u4f4d\u6d88\u8017 CPU \u8d44\u6e90\u6700\u591a\u7684\u7a0b\u5e8f\u3002\u4f8b\u5982&#xff0c;\u5f53\u670d\u52a1\u5668\u54cd\u5e94\u7f13\u6162\u65f6&#xff0c;\u8fd0\u884c top \u547d\u4ee4&#xff0c;\u82e5\u53d1\u73b0\u67d0\u4e2a\u8fdb\u7a0b\u7684 CPU \u4f7f\u7528\u7387\u957f\u671f\u5904\u4e8e 90% \u4ee5\u4e0a&#xff0c;\u90a3\u4e48\u8be5\u8fdb\u7a0b\u5f88\u53ef\u80fd\u5c31\u662f\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u7684\u6839\u6e90\u3002\u200b<\/li>\n<li>vmstat \u547d\u4ee4&#xff1a;vmstat \u5de5\u5177\u53ef\u4ee5\u63d0\u4f9b\u5173\u4e8e\u7cfb\u7edf\u8fdb\u7a0b\u3001\u5185\u5b58\u3001\u865a\u62df\u5185\u5b58\u3001\u78c1\u76d8 I\/O \u548c CPU \u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u5176\u57fa\u672c\u8bed\u6cd5\u4e3a \u201cvmstat [\u9009\u9879] [\u5ef6\u8fdf\u65f6\u95f4 \u6b21\u6570]\u201d\u3002\u6bd4\u5982 \u201cvmstat 2 5\u201d \u8868\u793a\u6bcf 2 \u79d2\u91c7\u96c6\u4e00\u6b21\u6570\u636e&#xff0c;\u5171\u91c7\u96c6 5 \u6b21\u3002\u901a\u8fc7\u5206\u6790 vmstat \u7684\u8f93\u51fa\u7ed3\u679c&#xff0c;\u80fd\u591f\u4e86\u89e3\u7cfb\u7edf\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5&#xff0c;\u5982\u662f\u5426\u5b58\u5728\u5185\u5b58\u4e0d\u8db3\u5bfc\u81f4\u7684\u9891\u7e41\u6362\u9875\u64cd\u4f5c&#xff0c;\u4ee5\u53ca\u78c1\u76d8 I\/O \u7684\u7e41\u5fd9\u7a0b\u5ea6\u7b49\u3002\u5f53 \u201csi\u201d \u548c \u201cso\u201d&#xff08;\u4ea4\u6362\u533a\u7684\u8bfb\u548c\u5199&#xff09;\u6570\u503c\u8f83\u5927\u65f6&#xff0c;\u8bf4\u660e\u7cfb\u7edf\u53ef\u80fd\u5185\u5b58\u4e0d\u8db3&#xff0c;\u9700\u8981\u8fdb\u884c\u5185\u5b58\u4f18\u5316\u3002\u200b<\/li>\n<li>iostat \u547d\u4ee4&#xff1a;\u4e3b\u8981\u7528\u4e8e\u76d1\u63a7\u7cfb\u7edf\u78c1\u76d8 I\/O \u7684\u8d1f\u8f7d\u60c5\u51b5&#xff0c;\u5305\u62ec\u6bcf\u4e2a\u78c1\u76d8\u7684\u8bfb\u5199\u901f\u7387\u3001I\/O \u8bf7\u6c42\u961f\u5217\u957f\u5ea6\u7b49\u3002\u4f7f\u7528\u65f6\u9700\u5148\u5b89\u88c5 sysstat \u5305&#xff0c;\u7136\u540e\u8f93\u5165 \u201ciostat [\u9009\u9879] [\u8bbe\u5907] [\u95f4\u9694\u65f6\u95f4 \u6b21\u6570]\u201d\u3002\u4f8b\u5982 \u201ciostat -x sda 1 3\u201d \u53ef\u4ee5\u8be6\u7ec6\u663e\u793a sda \u78c1\u76d8\u6bcf 1 \u79d2\u7684 I\/O \u72b6\u6001&#xff0c;\u5171 3 \u6b21\u3002\u5f53 \u201c% util\u201d&#xff08;\u78c1\u76d8\u5229\u7528\u7387&#xff09;\u63a5\u8fd1 100% \u65f6&#xff0c;\u8868\u660e\u78c1\u76d8 I\/O \u538b\u529b\u8fc7\u5927&#xff0c;\u53ef\u80fd\u9700\u8981\u5bf9\u78c1\u76d8\u8fdb\u884c\u6269\u5bb9\u6216\u4f18\u5316\u8bfb\u5199\u64cd\u4f5c\u3002\u200b<\/li>\n<p>\u4e8c\u3001\u8d44\u6e90\u5206\u6790\u5de5\u5177\u200b<\/p>\n<li>free \u547d\u4ee4&#xff1a;\u7528\u4e8e\u67e5\u770b\u7cfb\u7edf\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5&#xff0c;\u5305\u62ec\u603b\u5185\u5b58\u3001\u5df2\u4f7f\u7528\u5185\u5b58\u3001\u7a7a\u95f2\u5185\u5b58\u3001\u7f13\u51b2\u533a\u548c\u7f13\u5b58\u7684\u5927\u5c0f\u7b49\u3002\u8f93\u5165 \u201cfree -h\u201d \u53ef\u4ee5\u4ee5\u4eba\u7c7b\u6613\u8bfb\u7684\u5355\u4f4d&#xff08;\u5982 GB\u3001MB&#xff09;\u663e\u793a\u5185\u5b58\u4fe1\u606f\u3002\u901a\u8fc7 free \u547d\u4ee4&#xff0c;\u8fd0\u7ef4\u4eba\u5458\u80fd\u5feb\u901f\u5224\u65ad\u7cfb\u7edf\u5185\u5b58\u662f\u5426\u5145\u8db3\u3002\u5982\u679c\u7a7a\u95f2\u5185\u5b58\u8f83\u5c11&#xff0c;\u800c\u7f13\u51b2\u533a\u548c\u7f13\u5b58\u5360\u7528\u8f83\u591a&#xff0c;\u53ef\u80fd\u9700\u8981\u91ca\u653e\u90e8\u5206\u7f13\u5b58\u6765\u7f13\u89e3\u5185\u5b58\u538b\u529b&#xff0c;\u4f46\u9700\u6ce8\u610f\u4e0d\u8981\u9891\u7e41\u91ca\u653e&#xff0c;\u4ee5\u514d\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd\u3002\u200b<\/li>\n<li>df \u547d\u4ee4&#xff1a;\u7528\u4e8e\u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf\u7684\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5&#xff0c;\u5305\u62ec\u6bcf\u4e2a\u6302\u8f7d\u70b9\u7684\u603b\u5bb9\u91cf\u3001\u5df2\u4f7f\u7528\u5bb9\u91cf\u3001\u53ef\u7528\u5bb9\u91cf\u548c\u4f7f\u7528\u7387\u7b49\u3002\u5e38\u7528\u547d\u4ee4 \u201cdf -h\u201d \u4ee5\u4eba\u6027\u5316\u7684\u65b9\u5f0f\u663e\u793a\u7ed3\u679c\u3002\u5f53\u67d0\u4e2a\u6587\u4ef6\u7cfb\u7edf\u7684\u4f7f\u7528\u7387\u8fc7\u9ad8&#xff08;\u5982\u8d85\u8fc7 90%&#xff09;\u65f6&#xff0c;\u53ef\u80fd\u4f1a\u5bfc\u81f4\u78c1\u76d8 I\/O \u6027\u80fd\u4e0b\u964d&#xff0c;\u751a\u81f3\u51fa\u73b0\u65e0\u6cd5\u5199\u5165\u6570\u636e\u7684\u60c5\u51b5&#xff0c;\u6b64\u65f6\u9700\u8981\u53ca\u65f6\u6e05\u7406\u65e0\u7528\u6587\u4ef6\u6216\u6269\u5c55\u78c1\u76d8\u7a7a\u95f4\u3002\u200b<\/li>\n<li>du \u547d\u4ee4&#xff1a;\u53ef\u4ee5\u67e5\u770b\u76ee\u5f55\u6216\u6587\u4ef6\u6240\u5360\u7528\u7684\u78c1\u76d8\u7a7a\u95f4\u5927\u5c0f\u3002\u4f8b\u5982 \u201cdu -sh \/home\u201d \u53ef\u4ee5\u663e\u793a \/home \u76ee\u5f55\u7684\u603b\u5927\u5c0f\u3002\u901a\u8fc7 du \u547d\u4ee4&#xff0c;\u80fd\u591f\u627e\u51fa\u5360\u7528\u78c1\u76d8\u7a7a\u95f4\u8f83\u5927\u7684\u6587\u4ef6\u6216\u76ee\u5f55&#xff0c;\u4fbf\u4e8e\u8fdb\u884c\u78c1\u76d8\u7a7a\u95f4\u7684\u6e05\u7406\u548c\u4f18\u5316\u3002\u5728\u53d1\u73b0\u67d0\u4e2a\u76ee\u5f55\u5360\u7528\u7a7a\u95f4\u5f02\u5e38\u65f6&#xff0c;\u53ef\u7ed3\u5408 \u201cdu -h &#8211;max-depth&#061;1 \/ \u76ee\u5f55\u201d \u547d\u4ee4\u9010\u5c42\u6392\u67e5&#xff0c;\u5b9a\u4f4d\u5230\u5177\u4f53\u7684\u5927\u6587\u4ef6\u3002\u200b<\/li>\n<p>\u4e09\u3001\u8fdb\u7a0b\u7ba1\u7406\u5de5\u5177\u200b<\/p>\n<li>ps \u547d\u4ee4&#xff1a;\u7528\u4e8e\u5217\u51fa\u7cfb\u7edf\u4e2d\u7684\u8fdb\u7a0b\u4fe1\u606f&#xff0c;\u53ef\u901a\u8fc7\u4e0d\u540c\u7684\u9009\u9879\u663e\u793a\u4e0d\u540c\u7684\u5185\u5bb9\u3002\u5e38\u7528\u547d\u4ee4 \u201cps aux\u201d \u53ef\u4ee5\u663e\u793a\u7cfb\u7edf\u4e2d\u6240\u6709\u8fdb\u7a0b\u7684\u8be6\u7ec6\u4fe1\u606f&#xff0c;\u5305\u62ec\u8fdb\u7a0b ID&#xff08;PID&#xff09;\u3001CPU \u4f7f\u7528\u7387\u3001\u5185\u5b58\u4f7f\u7528\u7387\u3001\u542f\u52a8\u65f6\u95f4\u7b49\u3002\u7ed3\u5408 grep \u547d\u4ee4\u53ef\u4ee5\u7b5b\u9009\u51fa\u7279\u5b9a\u8fdb\u7a0b\u7684\u4fe1\u606f&#xff0c;\u5982 \u201cps aux | grep nginx\u201d \u53ef\u67e5\u770b nginx \u8fdb\u7a0b\u7684\u8fd0\u884c\u72b6\u6001\u3002\u5f53\u9700\u8981\u7ec8\u6b62\u67d0\u4e2a\u5f02\u5e38\u8fdb\u7a0b\u65f6&#xff0c;\u53ef\u5148\u7528 ps \u547d\u4ee4\u627e\u5230\u5176 PID&#xff0c;\u518d\u4f7f\u7528 kill \u547d\u4ee4\u8fdb\u884c\u5904\u7406\u3002\u200b<\/li>\n<li>pstree \u547d\u4ee4&#xff1a;\u4ee5\u6811\u5f62\u7ed3\u6784\u663e\u793a\u8fdb\u7a0b\u4e4b\u95f4\u7684\u5173\u7cfb&#xff0c;\u6709\u52a9\u4e8e\u7406\u89e3\u8fdb\u7a0b\u7684\u542f\u52a8\u548c\u4f9d\u8d56\u5173\u7cfb\u3002\u8f93\u5165 \u201cpstree\u201d \u5373\u53ef\u67e5\u770b&#xff0c;\u52a0\u4e0a \u201c-p\u201d \u9009\u9879\u8fd8\u80fd\u663e\u793a\u6bcf\u4e2a\u8fdb\u7a0b\u7684 PID\u3002\u901a\u8fc7 pstree \u547d\u4ee4&#xff0c;\u8fd0\u7ef4\u4eba\u5458\u53ef\u4ee5\u6e05\u6670\u5730\u770b\u5230\u7236\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\u7684\u5173\u7cfb&#xff0c;\u5f53\u67d0\u4e2a\u5b50\u8fdb\u7a0b\u51fa\u73b0\u95ee\u9898\u65f6&#xff0c;\u80fd\u5feb\u901f\u627e\u5230\u5176\u5bf9\u5e94\u7684\u7236\u8fdb\u7a0b&#xff0c;\u4fbf\u4e8e\u8fdb\u884c\u6574\u4f53\u6392\u67e5\u3002\u200b<\/li>\n<li>kill \u548c killall \u547d\u4ee4&#xff1a;kill \u547d\u4ee4\u7528\u4e8e\u5411\u6307\u5b9a PID \u7684\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7&#xff0c;\u5e38\u7528\u7684\u662f\u7ec8\u6b62\u8fdb\u7a0b\u7684\u4fe1\u53f7&#xff08;9&#xff09;&#xff0c;\u8bed\u6cd5\u4e3a \u201ckill -9 PID\u201d\u3002killall \u547d\u4ee4\u5219\u53ef\u4ee5\u6839\u636e\u8fdb\u7a0b\u540d\u79f0\u7ec8\u6b62\u591a\u4e2a\u8fdb\u7a0b&#xff0c;\u5982 \u201ckillall nginx\u201d \u53ef\u7ec8\u6b62\u6240\u6709 nginx \u8fdb\u7a0b\u3002\u5728\u4f7f\u7528\u8fd9\u4e24\u4e2a\u547d\u4ee4\u65f6\u9700\u8c28\u614e&#xff0c;\u786e\u4fdd\u7ec8\u6b62\u7684\u662f\u5f02\u5e38\u8fdb\u7a0b&#xff0c;\u907f\u514d\u8bef\u6740\u91cd\u8981\u8fdb\u7a0b\u5bfc\u81f4\u7cfb\u7edf\u6545\u969c\u3002\u200b<\/li>\n<p>\u56db\u3001\u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u200b<\/p>\n<li>netstat \u547d\u4ee4&#xff1a;\u7528\u4e8e\u663e\u793a\u7f51\u7edc\u8fde\u63a5\u3001\u8def\u7531\u8868\u3001\u63a5\u53e3\u7edf\u8ba1\u7b49\u7f51\u7edc\u76f8\u5173\u4fe1\u606f\u3002\u5e38\u7528\u547d\u4ee4 \u201cnetstat -tuln\u201d \u53ef\u4ee5\u663e\u793a\u6240\u6709\u6b63\u5728\u76d1\u542c\u7684 TCP \u548c UDP \u7aef\u53e3&#xff0c;\u201cnetstat -an\u201d \u53ef\u663e\u793a\u6240\u6709\u7f51\u7edc\u8fde\u63a5\u3002\u901a\u8fc7 netstat \u547d\u4ee4&#xff0c;\u80fd\u591f\u67e5\u770b\u670d\u52a1\u5668\u7684\u7f51\u7edc\u8fde\u63a5\u72b6\u6001&#xff0c;\u5982\u662f\u5426\u5b58\u5728\u5927\u91cf\u7684 TIME_WAIT \u72b6\u6001\u8fde\u63a5&#xff0c;\u8fd9\u53ef\u80fd\u4f1a\u5360\u7528\u7cfb\u7edf\u8d44\u6e90&#xff0c;\u5f71\u54cd\u65b0\u8fde\u63a5\u7684\u5efa\u7acb\u3002\u6b64\u65f6\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u5185\u6838\u53c2\u6570\u6765\u4f18\u5316&#xff0c;\u5982\u51cf\u5c0f tcp_fin_timeout \u503c\u3002\u200b<\/li>\n<li>iftop \u547d\u4ee4&#xff1a;\u662f\u4e00\u6b3e\u5b9e\u65f6\u7684\u7f51\u7edc\u6d41\u91cf\u76d1\u63a7\u5de5\u5177&#xff0c;\u80fd\u591f\u663e\u793a\u5404\u4e2a\u7f51\u7edc\u63a5\u53e3\u7684\u5b9e\u65f6\u6d41\u91cf\u60c5\u51b5&#xff0c;\u4ee5\u53ca\u6bcf\u4e2a\u8fde\u63a5\u7684\u6e90 IP\u3001\u76ee\u6807 IP\u3001\u4f20\u8f93\u901f\u7387\u7b49\u4fe1\u606f\u3002\u4f7f\u7528\u65f6\u9700\u5148\u5b89\u88c5 iftop \u5de5\u5177&#xff0c;\u7136\u540e\u8f93\u5165 \u201ciftop\u201d \u542f\u52a8\u3002\u901a\u8fc7 iftop \u547d\u4ee4&#xff0c;\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u5360\u7528\u7f51\u7edc\u5e26\u5bbd\u8f83\u5927\u7684\u8fde\u63a5&#xff0c;\u5f53\u670d\u52a1\u5668\u7f51\u7edc\u5e26\u5bbd\u5360\u7528\u8fc7\u9ad8\u65f6&#xff0c;\u80fd\u53ca\u65f6\u53d1\u73b0\u5f02\u5e38\u6d41\u91cf\u6765\u6e90&#xff0c;\u91c7\u53d6\u76f8\u5e94\u7684\u9650\u5236\u63aa\u65bd\u3002\u200b<\/li>\n<p>\u4e94\u3001\u6027\u80fd\u8c03\u4f18\u5b9e\u8df5\u6848\u4f8b\u200b<\/p>\n<p>\u4ee5\u67d0\u7535\u5546\u7f51\u7ad9\u7684 Linux \u670d\u52a1\u5668\u4e3a\u4f8b&#xff0c;\u8be5\u670d\u52a1\u5668\u5728\u4fc3\u9500\u6d3b\u52a8\u671f\u95f4\u51fa\u73b0\u54cd\u5e94\u7f13\u6162\u7684\u95ee\u9898\u3002\u8fd0\u7ef4\u4eba\u5458\u9996\u5148\u4f7f\u7528 top \u547d\u4ee4\u8fdb\u884c\u76d1\u63a7&#xff0c;\u53d1\u73b0 CPU \u4f7f\u7528\u7387\u957f\u671f\u5904\u4e8e 90% \u4ee5\u4e0a&#xff0c;\u8fdb\u4e00\u6b65\u6392\u67e5\u53d1\u73b0\u662f\u67d0\u4e2a\u6570\u636e\u5e93\u67e5\u8be2\u8fdb\u7a0b\u5360\u7528\u4e86\u5927\u91cf CPU \u8d44\u6e90\u3002\u901a\u8fc7\u4f18\u5316\u8be5\u67e5\u8be2\u8bed\u53e5&#xff0c;CPU \u4f7f\u7528\u7387\u660e\u663e\u4e0b\u964d\u3002\u540c\u65f6&#xff0c;\u4f7f\u7528 iostat \u547d\u4ee4\u53d1\u73b0\u78c1\u76d8 I\/O \u8f83\u4e3a\u7e41\u5fd9&#xff0c;\u901a\u8fc7\u5c06\u90e8\u5206\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\u8fc1\u79fb\u5230\u7f13\u5b58\u4e2d&#xff0c;\u51cf\u8f7b\u4e86\u78c1\u76d8\u7684\u8bfb\u5199\u538b\u529b&#xff0c;\u670d\u52a1\u5668\u6027\u80fd\u5f97\u5230\u663e\u8457\u63d0\u5347&#xff0c;\u786e\u4fdd\u4e86\u4fc3\u9500\u6d3b\u52a8\u7684\u987a\u5229\u8fdb\u884c\u3002\u200b<\/p>\n<p>\u516d\u3001\u603b\u7ed3\u5f52\u7eb3\u200b<\/p>\n<p>Linux \u6027\u80fd\u8c03\u4f18\u662f\u4e00\u9879\u7cfb\u7edf\u6027\u7684\u5de5\u4f5c&#xff0c;\u9700\u8981\u8fd0\u7ef4\u4eba\u5458\u719f\u6089\u5404\u7c7b\u6027\u80fd\u8c03\u4f18\u5de5\u5177\u7684\u4f7f\u7528\u3002\u901a\u8fc7 top\u3001vmstat\u3001iostat \u7b49\u7cfb\u7edf\u76d1\u63a7\u5de5\u5177&#xff0c;\u80fd\u591f\u5b9e\u65f6\u638c\u63e1\u670d\u52a1\u5668\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5&#xff1b;free\u3001df\u3001du \u7b49\u8d44\u6e90\u5206\u6790\u5de5\u5177\u6709\u52a9\u4e8e\u6392\u67e5\u5185\u5b58\u548c\u78c1\u76d8\u65b9\u9762\u7684\u95ee\u9898&#xff1b;ps\u3001pstree\u3001kill \u7b49\u8fdb\u7a0b\u7ba1\u7406\u5de5\u5177\u53ef\u6709\u6548\u7ba1\u7406\u8fdb\u7a0b&#xff0c;\u4fdd\u969c\u7cfb\u7edf\u7a33\u5b9a\u8fd0\u884c&#xff1b;netstat\u3001iftop \u7b49\u7f51\u7edc\u76d1\u63a7\u5de5\u5177\u5219\u80fd\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf&#xff0c;\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u3002\u200b<\/p>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u5e94\u7ed3\u5408\u5177\u4f53\u4e1a\u52a1\u573a\u666f&#xff0c;\u7efc\u5408\u8fd0\u7528\u8fd9\u4e9b\u5de5\u5177&#xff0c;\u7cbe\u51c6\u5b9a\u4f4d\u6027\u80fd\u74f6\u9888&#xff0c;\u5e76\u91c7\u53d6\u9488\u5bf9\u6027\u7684\u4f18\u5316\u63aa\u65bd\u3002\u901a\u8fc7\u6301\u7eed\u7684\u6027\u80fd\u76d1\u63a7\u548c\u8c03\u4f18&#xff0c;\u4e0d\u4ec5\u80fd\u591f\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u7a33\u5b9a\u6027&#xff0c;\u8fd8\u80fd\u964d\u4f4e\u786c\u4ef6\u6210\u672c&#xff0c;\u63d0\u5347\u7528\u6237\u4f53\u9a8c&#xff0c;\u8ba9 Linux \u670d\u52a1\u5668\u5728\u4e1a\u52a1\u8fd0\u884c\u4e2d\u59cb\u7ec8\u4fdd\u6301\u9ad8\u6548\u72b6\u6001&#xff0c;\u4e3a\u4e1a\u52a1\u7684\u53d1\u5c55\u63d0\u4f9b\u6709\u529b\u652f\u6491\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb969\u6b21\uff0c\u70b9\u8d5e20\u6b21\uff0c\u6536\u85cf10\u6b21\u3002\u901a\u8fc7\u9610\u8ff0\u8fd9\u4e9b\u5de5\u5177\u7684\u529f\u80fd\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u5728\u6027\u80fd\u8c03\u4f18\u4e2d\u7684\u5177\u4f53\u5e94\u7528\uff0c\u5e2e\u52a9\u8fd0\u7ef4\u4eba\u5458\u7cbe\u51c6\u5b9a\u4f4d\u670d\u52a1\u5668\u6027\u80fd\u74f6\u9888\uff0c\u5982 CPU \u5360\u7528\u8fc7\u9ad8\u3001\u5185\u5b58\u6cc4\u6f0f\u3001\u78c1\u76d8 I\/O \u62e5\u5835\u7b49\u95ee\u9898\uff0c\u5e76\u7ed9\u51fa\u9488\u5bf9\u6027\u7684\u4f18\u5316\u7b56\u7565\uff0c\u8ba9\u670d\u52a1\u5668\u6027\u80fd\u5f97\u5230\u663e\u8457\u63d0\u5347\uff0c\u7115\u53d1\u65b0\u751f\u3002\u7136\u800c\uff0c\u968f\u7740\u4e1a\u52a1\u91cf\u7684\u589e\u957f\u548c\u5e94\u7528\u590d\u6742\u5ea6\u7684\u63d0\u5347\uff0c\u670d\u52a1\u5668\u6027\u80fd\u5f80\u5f80\u4f1a\u9762\u4e34\u8bf8\u591a\u6311\u6218\uff0c\u5982\u54cd\u5e94\u53d8\u6162\u3001\u5361\u987f\u751a\u81f3\u5d29\u6e83\u7b49\u3002\u901a\u8fc7\u6301\u7eed\u7684\u6027\u80fd\u76d1\u63a7\u548c\u8c03\u4f18\uff0c\u4e0d\u4ec5\u80fd\u591f\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\uff0c\u8fd8\u80fd\u964d\u4f4e\u786c\u4ef6\u6210\u672c\uff0c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff0c\u8ba9 Linux \u670d\u52a1\u5668\u5728\u4e1a\u52a1\u8fd0\u884c\u4e2d\u59cb\u7ec8\u4fdd\u6301\u9ad8\u6548\u72b6\u6001\uff0c\u4e3a\u4e1a\u52a1\u7684\u53d1\u5c55\u63d0\u4f9b\u6709\u529b\u652f\u6491\u3002\u4e94\u3001\u6027\u80fd\u8c03\u4f18\u5b9e\u8df5\u6848\u4f8b\u200b\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,44],"topic":[],"class_list":["post-45578","post","type-post","status-publish","format-standard","hentry","category-server","tag-linux","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux \u6027\u80fd\u8c03\u4f18\uff1a\u8fd9\u4e9b\u5de5\u5177\u8ba9\u4f60\u7684\u670d\u52a1\u5668\u7115\u53d1\u65b0\u751f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/45578.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux \u6027\u80fd\u8c03\u4f18\uff1a\u8fd9\u4e9b\u5de5\u5177\u8ba9\u4f60\u7684\u670d\u52a1\u5668\u7115\u53d1\u65b0\u751f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb969\u6b21\uff0c\u70b9\u8d5e20\u6b21\uff0c\u6536\u85cf10\u6b21\u3002\u901a\u8fc7\u9610\u8ff0\u8fd9\u4e9b\u5de5\u5177\u7684\u529f\u80fd\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u5728\u6027\u80fd\u8c03\u4f18\u4e2d\u7684\u5177\u4f53\u5e94\u7528\uff0c\u5e2e\u52a9\u8fd0\u7ef4\u4eba\u5458\u7cbe\u51c6\u5b9a\u4f4d\u670d\u52a1\u5668\u6027\u80fd\u74f6\u9888\uff0c\u5982 CPU \u5360\u7528\u8fc7\u9ad8\u3001\u5185\u5b58\u6cc4\u6f0f\u3001\u78c1\u76d8 I\/O 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