\u600e\u6837\u624d\u80fd\u5feb\u901f\u7684\u5b9a\u4f4d\u5230\u5e76\u53d1\u9ad8\u662f\u7531\u4e8e\u78c1\u76d8io\u5f00\u9500\u5927\u5462?\u53ef\u4ee5\u901a\u8fc7\u4e09\u79cd\u65b9\u5f0f\uff1a<\/p>\n\n\n\n
\u3000\u3000\u7b2c\u4e00\u79cd\uff1a\u7528 top \u547d\u4ee4 \u4e2d\u7684cpu \u4fe1\u606f\u89c2\u5bdf<\/p>\n\n\n\n
\u3000\u3000Top\u53ef\u4ee5\u770b\u5230\u7684cpu\u4fe1\u606f\u6709\uff1a<\/p>\n\n\n\n
\u3000\u3000Tasks: 29 total, 1 running, 28 sleeping, 0 stopped, 0 zombie<\/p>\n\n\n\n
\u3000\u3000Cpu(s): 0.3% us, 1.0% sy, 0.0% ni, 98.7% id, 0.0% wa, 0.0% hi, 0.0% si<\/p>\n\n\n\n
\u3000\u3000\u5177\u4f53\u7684\u89e3\u91ca\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\u3000\u3000Tasks: 29 total \u8fdb\u7a0b\u603b\u6570<\/p>\n\n\n\n
\u3000\u30001 running \u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u6570<\/p>\n\n\n\n
\u3000\u300028 sleeping \u7761\u7720\u7684\u8fdb\u7a0b\u6570<\/p>\n\n\n\n
\u3000\u30000 stopped \u505c\u6b62\u7684\u8fdb\u7a0b\u6570<\/p>\n\n\n\n
\u3000\u30000 zombie \u50f5\u5c38\u8fdb\u7a0b\u6570<\/p>\n\n\n\n
\u3000\u3000Cpu(s):<\/p>\n\n\n\n
\u3000\u30000.3% us \u7528\u6237\u7a7a\u95f4\u5360\u7528CPU\u767e\u5206\u6bd4<\/p>\n\n\n\n
\u3000\u30001.0% sy \u5185\u6838\u7a7a\u95f4\u5360\u7528CPU\u767e\u5206\u6bd4<\/p>\n\n\n\n
\u3000\u30000.0% ni \u7528\u6237\u8fdb\u7a0b\u7a7a\u95f4\u5185\u6539\u53d8\u8fc7\u4f18\u5148\u7ea7\u7684\u8fdb\u7a0b\u5360\u7528CPU\u767e\u5206\u6bd4<\/p>\n\n\n\n
\u3000\u300098.7% id \u7a7a\u95f2CPU\u767e\u5206\u6bd4<\/p>\n\n\n\n
\u3000\u30000.0% wa \u7b49\u5f85\u8f93\u5165\u8f93\u51fa\u7684CPU\u65f6\u95f4\u767e\u5206\u6bd4<\/p>\n\n\n\n
\u3000\u30000.0% hi<\/p>\n\n\n\n
\u3000\u30000.0% si<\/p>\n\n\n\n
\u3000\u30000.0% wa \u7684\u767e\u5206\u6bd4\u53ef\u4ee5\u5927\u81f4\u7684\u4f53\u73b0\u51fa\u5f53\u524d\u7684\u78c1\u76d8io\u8bf7\u6c42\u662f\u5426\u9891\u7e41\u3002\u5982\u679c wa\u7684\u6570\u91cf\u6bd4\u8f83\u5927\uff0c\u8bf4\u660e\u7b49\u5f85\u8f93\u5165\u8f93\u51fa\u7684\u7684io\u6bd4\u8f83\u591a\u3002<\/p>\n\n\n\n
\u3000\u3000\u7b2c\u4e8c\u79cd\uff1a\u7528vmstat<\/p>\n\n\n\n
\u3000\u3000vmstat \u547d\u4ee4\u62a5\u544a\u5173\u4e8e\u7ebf\u7a0b\u3001\u865a\u62df\u5185\u5b58\u3001\u78c1\u76d8\u3001\u9677\u9631\u548c CPU \u6d3b\u52a8\u7684\u7edf\u8ba1\u4fe1\u606f\u3002\u7531 vmstat \u547d\u4ee4\u751f\u6210\u7684\u62a5\u544a\u53ef\u4ee5\u7528\u4e8e\u5e73\u8861\u7cfb\u7edf\u8d1f\u8f7d\u6d3b\u52a8\u3002\u7cfb\u7edf\u8303\u56f4\u5185\u7684\u8fd9\u4e9b\u7edf\u8ba1\u4fe1\u606f(\u6240\u6709\u7684\u5904\u7406\u5668\u4e2d)\u90fd\u8ba1\u7b97\u51fa\u4ee5\u767e\u5206\u6bd4\u8868\u793a\u7684\u5e73\u5747\u503c\uff0c\u6216\u8005\u8ba1\u7b97\u5176\u603b\u548c\u3002<\/p>\n\n\n\n
\u3000\u3000\u8f93\u5165\u547d\u4ee4\uff1a<\/p>\n\n\n\n
\u3000\u3000vmstat 2 5<\/p>\n\n\n\n
\u3000\u3000\u5982\u679c\u53d1\u73b0\u7b49\u5f85\u7684\u8fdb\u7a0b\u548c\u5904\u5728\u975e\u4e2d\u65ad\u7761\u7720\u72b6\u6001\u7684\u8fdb\u7a0b\u6570\u975e\u5e38\u591a\uff0c\u5e76\u4e14\u53d1\u9001\u5230\u5757\u8bbe\u5907\u7684\u5757\u6570\u548c\u4ece\u5757\u8bbe\u5907\u63a5\u6536\u5230\u7684\u5757\u6570\u975e\u5e38\u5927\uff0c\u90a3\u5c31\u8bf4\u660e\u78c1\u76d8io\u6bd4\u8f83\u591a\u3002<\/p>\n\n\n\n
\u3000\u3000vmstat\u53c2\u6570\u89e3\u91ca\uff1a<\/p>\n\n\n\n
\u3000\u3000Procs<\/p>\n\n\n\n
\u3000\u3000r: \u7b49\u5f85\u8fd0\u884c\u7684\u8fdb\u7a0b\u6570 b: \u5904\u5728\u975e\u4e2d\u65ad\u7761\u7720\u72b6\u6001\u7684\u8fdb\u7a0b\u6570 w: \u88ab\u4ea4\u6362\u51fa\u53bb\u7684\u53ef\u8fd0\u884c\u7684\u8fdb\u7a0b\u6570\u3002\u6b64\u6570\u7531 linux \u8ba1\u7b97\u5f97\u51fa\uff0c\u4f46 linux \u5e76\u4e0d\u8017\u5c3d\u4ea4\u6362\u7a7a\u95f4<\/p>\n\n\n\n
\u3000\u3000Memory<\/p>\n\n\n\n
\u3000\u3000swpd: \u865a\u62df\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u5355\u4f4d\uff1aKB<\/p>\n\n\n\n
\u3000\u3000free: \u7a7a\u95f2\u7684\u5185\u5b58\uff0c\u5355\u4f4dKB<\/p>\n\n\n\n
\u3000\u3000buff: \u88ab\u7528\u6765\u505a\u4e3a\u7f13\u5b58\u7684\u5185\u5b58\u6570\uff0c\u5355\u4f4d\uff1aKB<\/p>\n\n\n\n
\u3000\u3000Swap<\/p>\n\n\n\n
\u3000\u3000si: \u4ece\u78c1\u76d8\u4ea4\u6362\u5230\u5185\u5b58\u7684\u4ea4\u6362\u9875\u6570\u91cf\uff0c\u5355\u4f4d\uff1aKB\/\u79d2<\/p>\n\n\n\n
\u3000\u3000so: \u4ece\u5185\u5b58\u4ea4\u6362\u5230\u78c1\u76d8\u7684\u4ea4\u6362\u9875\u6570\u91cf\uff0c\u5355\u4f4d\uff1aKB\/\u79d2<\/p>\n\n\n\n
\u3000\u3000IO<\/p>\n\n\n\n
\u3000\u3000bi: \u53d1\u9001\u5230\u5757\u8bbe\u5907\u7684\u5757\u6570\uff0c\u5355\u4f4d\uff1a\u5757\/\u79d2<\/p>\n\n\n\n
\u3000\u3000bo: \u4ece\u5757\u8bbe\u5907\u63a5\u6536\u5230\u7684\u5757\u6570\uff0c\u5355\u4f4d\uff1a\u5757\/\u79d2<\/p>\n\n\n\n
\u3000\u3000System<\/p>\n\n\n\n
\u3000\u3000in: \u6bcf\u79d2\u7684\u4e2d\u65ad\u6570\uff0c\u5305\u62ec\u65f6\u949f\u4e2d\u65ad<\/p>\n\n\n\n
\u3000\u3000cs: \u6bcf\u79d2\u7684\u73af\u5883(\u4e0a\u4e0b\u6587)\u5207\u6362\u6b21\u6570<\/p>\n\n\n\n
\u3000\u3000CPU<\/p>\n\n\n\n
\u3000\u3000\u6309 CPU \u7684\u603b\u4f7f\u7528\u767e\u5206\u6bd4\u6765\u663e\u793a<\/p>\n\n\n\n
\u3000\u3000us: CPU \u4f7f\u7528\u65f6\u95f4<\/p>\n\n\n\n
\u3000\u3000sy: CPU \u7cfb\u7edf\u4f7f\u7528\u65f6\u95f4<\/p>\n\n\n\n
\u3000\u3000id: \u95f2\u7f6e\u65f6\u95f4<\/p>\n\n\n\n
\u3000\u3000\u51c6\u6d4b<\/p>\n\n\n\n
\u3000\u3000\u66f4\u591avmstat\u4f7f\u7528\u4fe1\u606f<\/p>\n\n\n\n
\u3000\u3000\u7b2c\u4e8c\u79cd\uff1a\u7528iostat<\/p>\n\n\n\n
\u3000\u3000\u5b89\u88c5:<\/p>\n\n\n\n
\u3000\u3000Iostat \u662f sysstat \u5de5\u5177\u96c6\u7684\u4e00\u4e2a\u5de5\u5177\uff0c\u9700\u8981\u5b89\u88c5\u3002<\/p>\n\n\n\n
\u3000\u3000Centos\u7684\u5b89\u88c5\u65b9\u5f0f\u662f\uff1a<\/p>\n\n\n\n
\u3000\u3000yum install sysstat<\/p>\n\n\n\n
\u3000\u3000Ubuntu\u7684\u5b89\u88c5\u65b9\u5f0f\u662f\uff1a<\/p>\n\n\n\n
\u3000\u3000aptitude install sysstat<\/p>\n\n\n\n
\u3000\u3000\u4f7f\u7528\uff1a<\/p>\n\n\n\n
\u3000\u3000iostat -dx \u663e\u793a\u78c1\u76d8\u6269\u5c55\u4fe1\u606f<\/p>\n\n\n\n
\u3000\u3000root@fileapp:~# iostat -dx<\/p>\n\n\n\n
\u3000\u3000r\/s \u548c w\/s \u5206\u522b\u662f\u6bcf\u79d2\u7684\u8bfb\u64cd\u4f5c\u548c\u5199\u64cd\u4f5c\uff0c\u800crKB\/s \u548cwKB\/s \u5217\u4ee5\u6bcf\u79d2\u5343\u5b57\u8282\u4e3a\u5355\u4f4d\u663e\u793a\u4e86\u8bfb\u548c\u5199\u7684\u6570\u636e\u91cf<\/p>\n\n\n\n
\u3000\u3000\u5982\u679c\u8fd9\u4e24\u5bf9\u6570\u636e\u503c\u90fd\u5f88\u9ad8\u7684\u8bdd\u8bf4\u660e\u78c1\u76d8io\u64cd\u4f5c\u662f\u5f88\u9891\u7e41\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u600e\u6837\u624d\u80fd\u5feb\u901f\u7684\u5b9a\u4f4d\u5230\u5e76\u53d1\u9ad8\u662f\u7531\u4e8e\u78c1\u76d8io\u5f00\u9500\u5927\u5462?\u53ef\u4ee5\u901a\u8fc7\u4e09\u79cd\u65b9\u5f0f\uff1a \u3000\u3000\u7b2c\u4e00\u79cd\uff1a\u7528 top \u547d\u4ee4 \u4e2d\u7684cpu…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-29","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/29","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=29"}],"version-history":[{"count":1,"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/29\/revisions"}],"predecessor-version":[{"id":30,"href":"http:\/\/feel.name\/index.php?rest_route=\/wp\/v2\/posts\/29\/revisions\/30"}],"wp:attachment":[{"href":"http:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=29"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=29"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/feel.name\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=29"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}