{"id":116,"date":"2014-07-12T01:09:12","date_gmt":"2014-07-12T01:09:12","guid":{"rendered":"http:\/\/www.aiti123.com\/?p=116"},"modified":"2014-07-12T01:09:12","modified_gmt":"2014-07-12T01:09:12","slug":"%e3%80%90%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%91vps%e7%ae%80%e5%8d%95%e6%80%a7%e8%83%bd%e6%b5%8b%e8%af%95%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"http:\/\/www.aiti123.com\/?p=116","title":{"rendered":"\u3010\u670d\u52a1\u5668\u3011VPS\u7b80\u5355\u6027\u80fd\u6d4b\u8bd5\u547d\u4ee4"},"content":{"rendered":"<div>\n<div>\n<p>\u4ee5\u4e0b\u6765\u6e90\u81ea\u4e92\u8054\u7f51<\/p>\n<p>1.top<\/p>\n<p>Top\u547d\u4ee4\u663e\u793a\u4e86\u5b9e\u9645CPU\u4f7f\u7528\u60c5\u51b5\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b83\u663e\u793a\u4e86\u670d\u52a1\u5668\u4e0a\u5360\u7528CPU\u7684\u4efb\u52a1\u4fe1\u606f\u5e76\u4e14\u6bcf5\u79d2\u949f\u5237\u65b0\u4e00\u6b21\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5206\u7c7b\u5b83\u4eec\uff0c\u5305\u62ecPID\u3001\u65f6\u95f4\u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n<p>\u7b2c\u4e00\u884c\u7684load average\u5373\u4e3a\u7cfb\u7edf\u8d1f\u8f7d\uff0c\u5c31\u662f\u8bf4\u6574\u4e2aVPS\u8d44\u6e90\u5360\u7528\u60c5\u51b5\uff0c\u5982\u679c\u6b63\u5e38\u5efa\u7ad9\uff0c\u4e00\u822c\u5f88\u5c11\u6709\u8d85\u8fc75\u7684\u65f6\u5019\uff1b<\/p>\n<p>\u7b2c\u4e09\u884c\u7684\uff0c\u8fd9\u4e2a\u662fCPU\u5360\u7528\u8d44\u6e90\u3002\u8fd8\u6709\u540e\u9762\u7684\uff1f\uff1f%wa\u8fd9\u4e2a\u662f\u786c\u76d8\u72b6\u6001\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0bCPU\u6700\u597d\u4e0d\u8981\u8d85\u8fc730%\u5360\u7528.wa\u6307\u6570\u957f\u671f30%\u4ee5\u4e0a\uff0c\u57fa\u672c\u4e0a\u786c\u76d8\u5c31\u662f\u4e0d\u7ed9\u529b\u72b6\u6001\u3002<\/p>\n<p>\u7b2c\u56db\u884c\u662f\u5185\u5b58\uff0c\u603b\u5185\u5b58\uff0c\u5df2\u4f7f\u7528\u5185\u5b58\uff0c\u7a7a\u95f2\u5185\u5b58\u3002\u6211\u8fd9\u91cc\u662fW2\u7684VPS\uff0c\u5185\u5b58\u4e3a1GB\uff0c\u5927\u5bb6\u53ef\u4ee5\u53c2\u8003\u4e0b\u3002<\/p>\n<p>2.\u67e5\u770bCPU\uff0c\u786c\u76d8\u548c\u5185\u5b58\u4fe1\u606f<\/p>\n<p>\u547d\u4ee4\uff1acat \/proc\/cpuinfo\uff08CPU\u4fe1\u606f\uff09<\/p>\n<p>cat \/proc\/meminfo\uff08\u5185\u5b58\u4fe1\u606f\uff09<\/p>\n<p>df \u2013lh\uff08\u67e5\u770b\u786c\u76d8\u4fe1\u606f\uff09<\/p>\n<p>\u8fd9\u4e9b\uff0c\u90fd\u53ea\u662f\u7b80\u5355\u7684\u67e5\u770bVPS\u7684\u53c2\u6570\uff0c\u6211\u5c31\u4e0d\u622a\u56fe\u4e86\u3002<\/p>\n<p>3.\u4e0b\u8f7d\u6d4b\u8bd5<\/p>\n<p>\u547d\u4ee4\uff1awget http:\/\/cachefly.cachefly.net\/100mb.test<\/p>\n<p>\u56fe\u4e2d\u6709\u4e0b\u8f7d\u901f\u7387\uff0c\u6211\u8fd9\u4e2a\u662fW2\u7684\uff0c\u4e0b\u8f7d\u8d85\u7ea7\u4e0d\u7ed9\u529b\uff0c\u5927\u81f4\u4e0a\uff0c\u5982\u679c\u4f60\u662f100MB\u7aef\u53e3\u7684\u8bdd\uff0c\u5e94\u8be57-10m\/s\uff0c10MB\u7aef\u53e3\u7684\u8bdd\uff0c\u4e5f\u67091m\/s\u5de6\u53f3\u4e86\u3002<\/p>\n<p>4.\u78c1\u76d8I\/O\u6d4b\u8bd5<\/p>\n<p>\u547d\u4ee4\uff1add if=\/dev\/zero of=test bs=64k count=16k oflag=dsync<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\uff0c\u662f\u6d4b\u8bd5\u78c1\u76d8I\/O\u6027\u80fd\u7684\uff0c\u56fe\u4e2d\u6709\u78c1\u76d8\u5199\u5165\u901f\u7387\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u53c2\u8003\u3002<\/p>\n<p>\u6216\u8005\u4f7f\u7528\u6b64\u547d\u4ee4\uff1add if=\/dev\/zero of=test bs=64k count=4k oflag=dsync<\/p>\n<p>\u3010\u5c0f\u63d0\u793a\u3011\u5176\u5b9e\u6b63\u5e38\u505a\u7ad9\uff0c\u8fd9\u4e2aDD\u503c\u4e0d\u5fc5\u8fc7\u4e8e\u7ea0\u7ed3\uff0c\u53ea\u8981\u4e0d\u662f\u4f4e\u5f97\u79bb\u8c31\u90fd\u6ca1\u6709\u5f88\u5927\u7684\u5dee\u5f02\uff0c\u5f20\u81ea\u7136\u672c\u4eba\u4e5f\u5728DD\u503c\u4e0d\u52301M\/s\u7684VPS\u505a\u4e86\u5f88\u4e45\u7684\u7ad9\u3002<\/p>\n<p>\u7ecf\u8fc7\u4e0a\u9762\u4e24\u6b65\u6d4b\u8bd5\uff0c\u78c1\u76d8\u591a\u51fa\u4e862\u4e2a\u6587\u4ef6\uff1a100mb.test,test\uff0c\u6211\u4eec\u7528\u547d\u4ee4\u5220\u9664\u5b83\u4eec\u3002<\/p>\n<p>rm 100mb.test rm test<\/p>\n<p>5.UBI\u8dd1\u5206\u7efc\u5408\u6027\u80fd\u6d4b\u8bd5<\/p>\n<p>\u547d\u4ee4\uff1awget http:\/\/www.CTOHome.com\/linux-vps-pack\/unixbench.sh;sh .\/unixbench.sh;<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u8fd0\u884c\u7684\u65f6\u95f4\u6bd4\u8f83\u4e45\uff0c\u56e0\u4e3a\u597d\u591aVPS\u90fd\u662f\u5f20\u81ea\u7136\u501f\u6765\u534a\u5c0f\u65f6\u770b\u770b\u7b80\u5355\u6027\u80fd\u7684\uff0c\u6240\u4ee5\u4e00\u822c\u6ca1\u6709\u505a\u8fd9\u9879\u6d4b\u8bd5\u3002\u8fd9\u4e2a\u6d4b\u8bd5\u5b8c\u6210\u540e\u7684\u7efc\u5408\u5206\u6570\u4e5f\u53ef\u4ee5\u770b\u51fa\u4e00\u4e2aVPS\u7684\u6027\u80fd\uff1a\u4e00\u822c\u9ad8\u4e8e400\u5206\u5c31\u7b97\u6b63\u5e38\u6c34\u51c6\uff0c\u5982\u679c\u9ad8\u4e8e1000\u7684\u8bdd\uff0c\u5c31\u662f\u975e\u5e38\u7ed9\u529b\u3002<\/p>\n<p>6.\u5176\u4ed6\u6d4b\u8bd5\u547d\u4ee4<\/p>\n<p>\u547d\u4ee4\uff1aiostat \uff08\u78c1\u76d8\u548c\u5185\u5b58\u4f7f\u7528\u7387\uff09<\/p>\n<p>\u547d\u4ee4\uff1aVmstat \uff08\u8fdb\u7a0b\u3001\u5185\u5b58\u3001\u9875\u9762I\/O\u5757\u548cCPU\u7b49\u4fe1\u606f\u7684\u76d1\u63a7\uff09<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee5\u4e0b\u6765\u6e90\u81ea\u4e92\u8054\u7f51 1.top Top\u547d\u4ee4\u663e\u793a\u4e86\u5b9e\u9645CPU\u4f7f\u7528\u60c5\u51b5\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b83\u663e\u793a\u4e86\u670d\u52a1\u5668\u4e0a\u5360\u7528CPU\u7684\u4efb\u52a1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[294,705,707],"_links":{"self":[{"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/posts\/116"}],"collection":[{"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=116"}],"version-history":[{"count":0,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=\/wp\/v2\/posts\/116\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.aiti123.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=116"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.aiti123.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}