{"id":1866,"date":"2020-03-02T11:17:42","date_gmt":"2020-03-02T03:17:42","guid":{"rendered":"https:\/\/www.xiaobo.li\/?p=1866"},"modified":"2020-03-02T11:18:48","modified_gmt":"2020-03-02T03:18:48","slug":"%e6%80%a7%e8%83%bd%e6%8c%87%e6%a0%87%ef%bc%9aqps%e3%80%81tps%e3%80%81%e7%b3%bb%e7%bb%9f%e5%90%9e%e5%90%90%e9%87%8f%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/1866","title":{"rendered":"\u6027\u80fd\u6307\u6807\uff1aQPS\u3001TPS\u3001\u7cfb\u7edf\u541e\u5410\u91cf\u7406\u89e3"},"content":{"rendered":"

\u4e00\u3001QPS\uff0c\u6bcf\u79d2\u67e5\u8be2<\/strong><\/p>\n

QPS\uff1aQueries Per Second\u610f\u601d\u662f\u201c\u6bcf\u79d2\u67e5\u8be2\u7387\u201d\uff0c\u662f\u4e00\u53f0\u670d\u52a1\u5668\u6bcf\u79d2\u80fd\u591f\u76f8\u5e94\u7684\u67e5\u8be2\u6b21\u6570\uff0c\u662f\u5bf9\u4e00\u4e2a\u7279\u5b9a\u7684\u67e5\u8be2\u670d\u52a1\u5668\u5728\u89c4\u5b9a\u65f6\u95f4\u5185\u6240\u5904\u7406\u6d41\u91cf\u591a\u5c11\u7684\u8861\u91cf\u6807\u51c6\u3002<\/p>\n

\u4e92\u8054\u7f51\u4e2d\uff0c\u4f5c\u4e3a\u57df\u540d\u7cfb\u7edf\u670d\u52a1\u5668\u7684\u673a\u5668\u7684\u6027\u80fd\u7ecf\u5e38\u7528\u6bcf\u79d2\u67e5\u8be2\u7387\u6765\u8861\u91cf\u3002<\/p>\n

\u4e8c\u3001TPS\uff0c\u6bcf\u79d2\u4e8b\u52a1<\/strong><\/p>\n

TPS\uff1a\u662fTransactionsPerSecond\u7684\u7f29\u5199\uff0c\u4e5f\u5c31\u662f\u4e8b\u52a1\u6570\/\u79d2\u3002\u5b83\u662f\u8f6f\u4ef6\u6d4b\u8bd5\u7ed3\u679c\u7684\u6d4b\u91cf\u5355\u4f4d\u3002\u4e00\u4e2a\u4e8b\u52a1\u662f\u6307\u4e00\u4e2a\u5ba2\u6237\u673a\u5411\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u7136\u540e\u670d\u52a1\u5668\u505a\u51fa\u53cd\u5e94\u7684\u8fc7\u7a0b\u3002\u5ba2\u6237\u673a\u5728\u53d1\u9001\u8bf7\u6c42\u65f6\u5f00\u59cb\u8ba1\u65f6\uff0c\u6536\u5230\u670d\u52a1\u5668\u54cd\u5e94\u540e\u7ed3\u675f\u8ba1\u65f6\uff0c\u4ee5\u6b64\u6765\u8ba1\u7b97\u4f7f\u7528\u7684\u65f6\u95f4\u548c\u5b8c\u6210\u7684\u4e8b\u52a1\u4e2a\u6570\u3002<\/p>\n

QPS vs TPS\uff1aQPS\u57fa\u672c\u7c7b\u4f3c\u4e8eTPS\uff0c\u4f46\u662f\u4e0d\u540c\u7684\u662f\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u9875\u9762\u7684\u4e00\u6b21\u8bbf\u95ee\uff0c\u5f62\u6210\u4e00\u4e2aTPS\uff1b\u4f46\u4e00\u6b21\u9875\u9762\u8bf7\u6c42\uff0c\u53ef\u80fd\u4ea7\u751f\u591a\u6b21\u5bf9\u670d\u52a1\u5668\u7684\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u5bf9\u8fd9\u4e9b\u8bf7\u6c42\uff0c\u5c31\u53ef\u8ba1\u5165\u201cQPS\u201d\u4e4b\u4e2d\u3002\u5982\uff0c\u8bbf\u95ee\u4e00\u4e2a\u9875\u9762\u4f1a\u8bf7\u6c42\u670d\u52a1\u56682\u6b21\uff0c\u4e00\u6b21\u8bbf\u95ee\uff0c\u4ea7\u751f\u4e00\u4e2a\u201cT\u201d\uff0c\u4ea7\u751f2\u4e2a\u201cQ\u201d\u3002<\/p>\n

\u4e09\u3001RT\uff0c\u54cd\u5e94\u65f6\u95f4<\/strong><\/p>\n

\u54cd\u5e94\u65f6\u95f4\uff1a\u6267\u884c\u4e00\u4e2a\u8bf7\u6c42\u4ece\u5f00\u59cb\u5230\u6700\u540e\u6536\u5230\u54cd\u5e94\u6570\u636e\u6240\u82b1\u8d39\u7684\u603b\u4f53\u65f6\u95f4,\u5373\u4ece\u5ba2\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42\u5230\u6536\u5230\u670d\u52a1\u5668\u54cd\u5e94\u7ed3\u679c\u7684\u65f6\u95f4\u3002<\/p>\n

\u54cd\u5e94\u65f6\u95f4RT(Response-time)\uff0c\u662f\u4e00\u4e2a\u7cfb\u7edf\u6700\u91cd\u8981\u7684\u6307\u6807\u4e4b\u4e00\uff0c\u5b83\u7684\u6570\u503c\u5927\u5c0f\u76f4\u63a5\u53cd\u5e94\u4e86\u7cfb\u7edf\u7684\u5feb\u6162\u3002<\/p>\n

\u56db\u3001\u5e76\u53d1\u6570<\/strong><\/p>\n

\u5e76\u53d1\u6570\u662f\u6307\u7cfb\u7edf\u540c\u65f6\u80fd\u5904\u7406\u7684\u8bf7\u6c42\u6570\u91cf\uff0c\u8fd9\u4e2a\u4e5f\u662f\u53cd\u5e94\u4e86\u7cfb\u7edf\u7684\u8d1f\u8f7d\u80fd\u529b\u3002<\/p>\n

\u4e94\u3001\u541e\u5410\u91cf<\/strong><\/p>\n

\u7cfb\u7edf\u7684\u541e\u5410\u91cf\uff08\u627f\u538b\u80fd\u529b\uff09\u4e0erequest\u5bf9CPU\u7684\u6d88\u8017\u3001\u5916\u90e8\u63a5\u53e3\u3001IO\u7b49\u7b49\u7d27\u5bc6\u5173\u8054\u3002\u5355\u4e2arequest \u5bf9CPU\u6d88\u8017\u8d8a\u9ad8\uff0c\u5916\u90e8\u7cfb\u7edf\u63a5\u53e3\u3001IO\u901f\u5ea6\u8d8a\u6162\uff0c\u7cfb\u7edf\u541e\u5410\u80fd\u529b\u8d8a\u4f4e\uff0c\u53cd\u4e4b\u8d8a\u9ad8\u3002<\/p>\n

\u7cfb\u7edf\u541e\u5410\u91cf\u51e0\u4e2a\u91cd\u8981\u53c2\u6570\uff1aQPS\uff08TPS\uff09\u3001\u5e76\u53d1\u6570\u3001\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n

QPS\uff08TPS\uff09\uff1a\uff08Query Per Second\uff09\u6bcf\u79d2\u949frequest\/\u4e8b\u52a1 \u6570\u91cf
\n\u5e76\u53d1\u6570\uff1a \u7cfb\u7edf\u540c\u65f6\u5904\u7406\u7684request\/\u4e8b\u52a1\u6570
\n\u54cd\u5e94\u65f6\u95f4\uff1a \u4e00\u822c\u53d6\u5e73\u5747\u54cd\u5e94\u65f6\u95f4<\/p>\n

\u7406\u89e3\u4e86\u4e0a\u9762\u4e09\u4e2a\u8981\u7d20\u7684\u610f\u4e49\u4e4b\u540e\uff0c\u5c31\u80fd\u63a8\u7b97\u51fa\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\uff1a<\/p>\n

QPS\uff08TPS\uff09= \u5e76\u53d1\u6570\/\u5e73\u5747\u54cd\u5e94\u65f6\u95f4
\n\u5e76\u53d1\u6570 = QPS*\u5e73\u5747\u54cd\u5e94\u65f6\u95f4<\/p>\n

\u516d\u3001\u5b9e\u9645\u4e3e\u4f8b<\/strong><\/p>\n

\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u5b9e\u4f8b\u6765\u628a\u4e0a\u9762\u51e0\u4e2a\u6982\u5ff5\u4e32\u8d77\u6765\u7406\u89e3\u3002\u6309\u4e8c\u516b\u5b9a\u5f8b\u6765\u770b\uff0c\u5982\u679c\u6bcf\u5929 80% \u7684\u8bbf\u95ee\u96c6\u4e2d\u5728 20% \u7684\u65f6\u95f4\u91cc\uff0c\u8fd9 20% \u65f6\u95f4\u5c31\u53eb\u505a\u5cf0\u503c\u65f6\u95f4\u3002<\/p>\n

\u516c\u5f0f\uff1a( \u603bPV\u6570 * 80% ) \/ ( \u6bcf\u5929\u79d2\u6570 * 20% ) = \u5cf0\u503c\u65f6\u95f4\u6bcf\u79d2\u8bf7\u6c42\u6570(QPS)
\n\u673a\u5668\uff1a\u5cf0\u503c\u65f6\u95f4\u6bcf\u79d2QPS \/ \u5355\u53f0\u673a\u5668\u7684QPS = \u9700\u8981\u7684\u673a\u5668<\/p>\n

1\u3001\u6bcf\u5929300w PV \u7684\u5728\u5355\u53f0\u673a\u5668\u4e0a\uff0c\u8fd9\u53f0\u673a\u5668\u9700\u8981\u591a\u5c11QPS\uff1f
\n( 3000000 * 0.8 ) \/ (86400 * 0.2 ) = 139 (QPS)<\/p>\n

2\u3001\u5982\u679c\u4e00\u53f0\u673a\u5668\u7684QPS\u662f58\uff0c\u9700\u8981\u51e0\u53f0\u673a\u5668\u6765\u652f\u6301\uff1f
\n139 \/ 58 = 3<\/p>\n

\u4e03\u3001\u6700\u4f73\u7ebf\u7a0b\u6570\u3001QPS\u3001RT<\/strong><\/p>\n

1\u3001\u5355\u7ebf\u7a0bQPS\u516c\u5f0f\uff1aQPS=1000ms\/RT<\/p>\n

\u5bf9\u540c\u4e00\u4e2a\u7cfb\u7edf\u800c\u8a00\uff0c\u652f\u6301\u7684\u7ebf\u7a0b\u6570\u8d8a\u591a\uff0cQPS\u8d8a\u9ad8\u3002\u5047\u8bbe\u4e00\u4e2aRT\u662f80ms,\u5219\u53ef\u4ee5\u5f88\u5bb9\u6613\u7684\u8ba1\u7b97\u51faQPS,QPS = 1000\/80 = 12.5
\n\u591a\u7ebf\u7a0b\u573a\u666f\uff0c\u5982\u679c\u628a\u670d\u52a1\u7aef\u7684\u7ebf\u7a0b\u6570\u63d0\u5347\u52302\uff0c\u90a3\u4e48\u6574\u4e2a\u7cfb\u7edf\u7684QPS\u5219\u4e3a 2*\uff081000\/80\uff09 = 25, \u53ef\u89c1QPS\u968f\u7740\u7ebf\u7a0b\u7684\u589e\u52a0\u800c\u7ebf\u6027\u589e\u957f\uff0c\u90a3QPS\u4e0a\u4e0d\u53bb\u5c31\u52a0\u7ebf\u7a0b\u5457\uff0c\u542c\u8d77\u6765\u5f88\u6709\u9053\u7406\uff0c\u516c\u53f8\u4e5f\u8bf4\u7684\u901a\uff0c\u4f46\u662f\u5f80\u5f80\u73b0\u5b9e\u5e76\u975e\u5982\u6b64\u3002<\/p>\n

2\u3001QPS\u548cRT\u7684\u771f\u5b9e\u5173\u7cfb<\/p>\n

\u6211\u4eec\u60f3\u8c61\u7684QPS\u3001RT\u5173\u7cfb\u5982\u4e0b\uff0c<\/p>\n

\"\"<\/p>\n

\u5b9e\u9645\u7684QPS\u3001RT\u5173\u7cfb\u5982\u4e0b\uff0c<\/p>\n

\"\"<\/p>\n

3\u3001\u6700\u4f73\u7ebf\u7a0b\u6570\u91cf
\n\u521a\u597d\u6d88\u8017\u5b8c\u670d\u52a1\u5668\u7684\u74f6\u9888\u8d44\u6e90\u7684\u4e34\u754c\u7ebf\u7a0b\u6570\uff0c\u516c\u5f0f\u5982\u4e0b
\n\u6700\u4f73\u7ebf\u7a0b\u6570\u91cf=\uff08\uff08\u7ebf\u7a0b\u7b49\u5f85\u65f6\u95f4+\u7ebf\u7a0bcpu\u65f6\u95f4\uff09\/\u7ebf\u7a0bcpu\u65f6\u95f4\uff09* cpu\u6570\u91cf
\n\u7279\u6027\uff1a<\/p>\n

\u5728\u8fbe\u5230\u6700\u4f73\u7ebf\u7a0b\u6570\u7684\u65f6\u5019\uff0c\u7ebf\u7a0b\u6570\u91cf\u7ee7\u7eed\u9012\u589e\uff0c\u5219QPS\u4e0d\u53d8\uff0c\u800c\u54cd\u5e94\u65f6\u95f4\u53d8\u957f\uff0c\u6301\u7eed\u9012\u589e\u7ebf\u7a0b\u6570\u91cf\uff0c\u5219QPS\u5f00\u59cb\u4e0b\u964d\u3002
\n\u6bcf\u4e2a\u7cfb\u7edf\u90fd\u6709\u5176\u6700\u4f73\u7ebf\u7a0b\u6570\u91cf\uff0c\u4f46\u662f\u4e0d\u540c\u72b6\u6001\u4e0b\uff0c\u6700\u4f73\u7ebf\u7a0b\u6570\u91cf\u662f\u4f1a\u53d8\u5316\u7684\u3002
\n\u74f6\u9888\u8d44\u6e90\u53ef\u4ee5\u662fCPU,\u53ef\u4ee5\u662f\u5185\u5b58\uff0c\u53ef\u4ee5\u662f\u9501\u8d44\u6e90\uff0cIO\u8d44\u6e90\uff1a\u8d85\u8fc7\u6700\u4f73\u7ebf\u7a0b\u6570-\u5bfc\u81f4\u8d44\u6e90\u7684\u7ade\u4e89\uff0c\u8d85\u8fc7\u6700\u4f73\u7ebf\u7a0b\u6570-\u54cd\u5e94\u65f6\u95f4\u9012\u589e\u3002<\/p>\n

\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<\/p>\n

\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3aCSDN\u535a\u4e3b\u300c\u6280\u672f\u5927\u5496\u79c0\u300d\u7684\u539f\u521b\u6587\u7ae0\uff0c\u9075\u5faa CC 4.0 BY-SA \u7248\u6743\u534f\u8bae\uff0c\u8f6c\u8f7d\u8bf7\u9644\u4e0a\u539f\u6587\u51fa\u5904\u94fe\u63a5\u53ca\u672c\u58f0\u660e\u3002
\n\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/shipfei_csdn\/article\/details\/103225517<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e00\u3001QPS\uff0c\u6bcf\u79d2\u67e5\u8be2 QPS\uff1aQueries Per Second\u610f\u601d\u662f\u201c\u6bcf\u79d2\u67e5 … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[276],"tags":[],"class_list":["post-1866","post","type-post","status-publish","format-standard","hentry","category-info"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/1866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=1866"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/1866\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=1866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=1866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=1866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}