{"id":3888,"date":"2018-04-29T05:25:14","date_gmt":"2018-04-28T21:25:14","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=3888"},"modified":"2018-04-29T05:25:14","modified_gmt":"2018-04-28T21:25:14","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e6%80%a7%e8%83%bd%e7%9b%91%e6%8e%a7%e6%8c%87%e6%a0%87%e7%94%a8tp50-90-99%e7%ad%89%e7%99%be%e5%88%86%e4%bd%8d%e6%95%b0%e8%80%8c%e9%9d%9e%e5%b9%b3%e5%9d%87%e6%95%b0","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/3888.html","title":{"rendered":"\u4e3a\u4ec0\u4e48\u6027\u80fd\u76d1\u63a7\u6307\u6807\u7528tp50\/90\/99\u7b49\u767e\u5206\u4f4d\u6570\u800c\u975e\u5e73\u5747\u6570"},"content":{"rendered":"<p>=Start=<\/p>\n<h4 id=\"id-\u4e3a\u4ec0\u4e48\u6027\u80fd\u76d1\u63a7\u6307\u6807\u7528tp50\/90\/99\u7b49\u767e\u5206\u4f4d\u6570\u800c\u975e\u5e73\u5747\u6570-\u7f18\u7531\uff1a\">\u7f18\u7531\uff1a<\/h4>\n<p>\u4e4b\u524d\u505a\u7684\u4e00\u4e2a\u9879\u76ee\u4e0a\u7ebf\u6709\u4e00\u6bb5\u65f6\u95f4\u4e86\uff0c\u4f46\u4e00\u76f4\u4e5f\u6ca1\u6709\u6765\u5f97\u53ca\u505a\u7edf\u8ba1\u5206\u6790\uff08\u5cf0\u503c\u3001\u5e73\u5747QPS\u3001\u2026\u2026\uff09\u3002\u6700\u8fd1\u521a\u597d\u53c8\u88ab\u95ee\u5230\u4e86\u8fd9\u4e2a\u4e8b\u60c5\uff0c\u6240\u4ee5\u62bd\u7a7a\u5b66\u4e60\u4e86\u89e3\u4e00\u4e0b\u90e8\u5206\u76d1\u63a7\u6307\u6807\u7684\u6982\u5ff5\u548c\u542b\u4e49\uff0c\u65b9\u4fbf\u540e\u7eed\u81ea\u5df1\u505a\u7edf\u8ba1\u5206\u6790\u3002<\/p>\n<h4 id=\"id-\u4e3a\u4ec0\u4e48\u6027\u80fd\u76d1\u63a7\u6307\u6807\u7528tp50\/90\/99\u7b49\u767e\u5206\u4f4d\u6570\u800c\u975e\u5e73\u5747\u6570-\u6b63\u6587\uff1a\">\u6b63\u6587\uff1a<\/h4>\n<h5 id=\"id-\u4e3a\u4ec0\u4e48\u6027\u80fd\u76d1\u63a7\u6307\u6807\u7528tp50\/90\/99\u7b49\u767e\u5206\u4f4d\u6570\u800c\u975e\u5e73\u5747\u6570-\u53c2\u8003\u89e3\u7b54\uff1a\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n<h6 id=\"id-\u4e3a\u4ec0\u4e48\u6027\u80fd\u76d1\u63a7\u6307\u6807\u7528tp50\/90\/99\u7b49\u767e\u5206\u4f4d\u6570\u800c\u975e\u5e73\u5747\u6570-\u6982\u5ff5\uff1a\">\u6982\u5ff5\uff1a<\/h6>\n<p>TP=Top Percentile\uff0cTop\u767e\u5206\u6570\uff0c\u662f\u4e00\u4e2a\u7edf\u8ba1\u5b66\u91cc\u7684\u672f\u8bed\uff0c\u4e0e\u5e73\u5747\u6570\u3001\u4e2d\u4f4d\u6570\u90fd\u662f\u4e00\u7c7b\u3002<\/p>\n<h6 id=\"id-\u4e3a\u4ec0\u4e48\u6027\u80fd\u76d1\u63a7\u6307\u6807\u7528tp50\/90\/99\u7b49\u767e\u5206\u4f4d\u6570\u800c\u975e\u5e73\u5747\u6570-\u5e94\u7528\uff1a\">\u5e94\u7528\uff1a<\/h6>\n<p>TP50\u3001TP90\u548cTP99\u7b49\u6307\u6807\u5e38\u7528\u4e8e\u7cfb\u7edf\u6027\u80fd\u76d1\u63a7\u573a\u666f\uff0c\u6307\u9ad8\u4e8e50%\u300190%\u300199%\u7b49\u767e\u5206\u7ebf\u7684\u60c5\u51b5\u3002<\/p>\n<h6 id=\"id-\u4e3a\u4ec0\u4e48\u6027\u80fd\u76d1\u63a7\u6307\u6807\u7528tp50\/90\/99\u7b49\u767e\u5206\u4f4d\u6570\u800c\u975e\u5e73\u5747\u6570-\u8ba1\u7b97\/\u7edf\u8ba1\u65b9\u6cd5\uff1a\">\u8ba1\u7b97\/\u7edf\u8ba1\u65b9\u6cd5\uff1a<\/h6>\n<p>TP50\uff1a\u6307\u5728\u4e00\u4e2a\u65f6\u95f4\u6bb5\u5185\uff08\u59825\u5206\u949f\uff09\uff0c\u7edf\u8ba1\u8be5\u65b9\u6cd5\u6bcf\u6b21\u8c03\u7528\u6240\u6d88\u8017\u7684\u65f6\u95f4\uff0c\u5e76\u5c06\u8fd9\u4e9b\u65f6\u95f4\u6309\u4ece\u5c0f\u5230\u5927\u7684\u987a\u5e8f\u8fdb\u884c\u6392\u5e8f\uff0c\u53d6\u7b2c50%\u7684\u90a3\u4e2a\u503c\u4f5c\u4e3aTP50\u7684\u503c\uff1b\u914d\u7f6e\u6b64\u76d1\u63a7\u6307\u6807\u5bf9\u5e94\u7684\u62a5\u8b66\u9600\u503c\u540e\uff0c\u9700\u8981\u4fdd\u8bc1\u5728\u8fd9\u4e2a\u65f6\u95f4\u6bb5\u5185\u8be5\u65b9\u6cd5\u6240\u6709\u8c03\u7528\u7684\u6d88\u8017\u65f6\u95f4\u81f3\u5c11\u670950%\u7684\u503c\u8981\u5c0f\u4e8e\u6b64\u9600\u503c\uff0c\u5426\u5219\u7cfb\u7edf\u5c06\u4f1a\u62a5\u8b66\u3002<\/p>\n<p>TP90\uff0cTP99\uff0cTP999\u4e0eTP50\u503c\u8ba1\u7b97\u65b9\u5f0f\u4e00\u81f4\uff0c\u5b83\u4eec\u5206\u522b\u4ee3\u8868\u7740\u5bf9\u65b9\u6cd5\u7684\u4e0d\u540c\u6027\u80fd\u8981\u6c42\uff0cTP50\u76f8\u5bf9\u8f83\u4f4e\uff0cTP90\u5219\u6bd4\u8f83\u9ad8\uff0cTP99\uff0cTP999\u5219\u5bf9\u65b9\u6cd5\u6027\u80fd\u8981\u6c42\u5f88\u9ad8\u3002<\/p>\n<p>\u4e3e\u4f8b\uff1a\u5047\u8bbe\u73b0\u5728\u67094\u6b21\u8bf7\u6c42\u8017\u65f6\u5206\u522b\u4e3a\uff1a<br \/>\n10s<br \/>\n1000s<br \/>\n100s<br \/>\n2s<\/p>\n<p>\u8ba1\u7b97TP\u767e\u5206\u7ebf\u7684\u65b9\u6cd5\u5c31\u662f\uff1a<\/p>\n<p>1\u3001\u5148\u6309\u5347\u5e8f\u6392\u5217 [2s, 10s, 100s, 1000s]\uff1b<\/p>\n<p>2\u3001\u627e\u5230\u4f60\u9700\u8981\u7528\u505a\u7edf\u8ba1\u7684\u6700\u540e\u4e00\u4e2a\u6761\u76ee\uff08\u5411\u9ad8\u53d6\u6574\uff09\u5bf9\u5e94\u7684\u6570\u503c\uff0c\u6bd4\u5982\uff1aTP50\u5c31\u662f\u7b2c ceil(4*0.5)=2 \u4e2a\uff0c\u5373 10s \uff1bTP90\u5c31\u662f\u7b2c ceil(4*0.9)=4 \u4e2a\uff0c\u5373 1000s \u3002<\/p>\n<hr \/>\n<h6 id=\"id-\u4e3a\u4ec0\u4e48\u6027\u80fd\u76d1\u63a7\u6307\u6807\u7528tp50\/90\/99\u7b49\u767e\u5206\u4f4d\u6570\u800c\u975e\u5e73\u5747\u6570-\u4e3a\u4ec0\u4e48\u7528\u767e\u5206\u4f4d\u6570\u800c\u4e0d\u662f\u5e73\u5747\u6570\uff1f\">\u4e3a\u4ec0\u4e48\u7528\u767e\u5206\u4f4d\u6570\u800c\u4e0d\u662f\u5e73\u5747\u6570\uff1f<\/h6>\n<p>\u5f85\u6dfb\u52a0<\/p>\n<h5 id=\"id-\u4e3a\u4ec0\u4e48\u6027\u80fd\u76d1\u63a7\u6307\u6807\u7528tp50\/90\/99\u7b49\u767e\u5206\u4f4d\u6570\u800c\u975e\u5e73\u5747\u6570-\u53c2\u8003\u94fe\u63a5\uff1a\">\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n<ul>\n<li><a class=\"external-link\" href=\"https:\/\/www.zhihu.com\/question\/41110088\" rel=\"nofollow\">tp90\u548ctp99\u662f\u6307\u4ec0\u4e48\u6027\u80fd\u6307\u6807<\/a><\/li>\n<li><a class=\"external-link\" href=\"https:\/\/stackoverflow.com\/questions\/17435438\/what-do-we-mean-by-top-percentile-or-tp-based-latency\" rel=\"nofollow\">What do we mean by \u201ctop percentile\u201d or TP based latency?<\/a><\/li>\n<li><a class=\"external-link\" href=\"https:\/\/blog.csdn.net\/mggwct\/article\/details\/72778717\" rel=\"nofollow\">\u76d1\u63a7TP50 TP90 TP99\u8bf4\u660e<\/a><\/li>\n<li><a class=\"external-link\" href=\"https:\/\/www.dynatrace.com\/news\/blog\/why-averages-suck-and-percentiles-are-great\/\" rel=\"nofollow\">\u4e3a\u4ec0\u4e48\u8fd9\u79cd\u6307\u6807\u6bd4\u5e73\u5747\u6570\u548c\u4e2d\u4f4d\u6570\u597d<\/a><\/li>\n<li><a class=\"external-link\" href=\"https:\/\/www.zhihu.com\/question\/20575291\" rel=\"nofollow\">\u7b2c95\u4e2a\u767e\u5206\u4f4d\uff0895th percentile\uff09\u662f\u4ec0\u4e48\u6982\u5ff5\uff1f<\/a><\/li>\n<\/ul>\n<p>=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a \u4e4b\u524d\u505a\u7684\u4e00\u4e2a\u9879\u76ee\u4e0a\u7ebf\u6709\u4e00\u6bb5\u65f6\u95f4\u4e86\uff0c\u4f46\u4e00\u76f4\u4e5f\u6ca1\u6709\u6765\u5f97\u53ca\u505a\u7edf\u8ba1\u5206\u6790\uff08\u5cf0\u503c\u3001\u5e73\u5747QPS\u3001\u2026\u2026 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23,12],"tags":[1104,1105,1103],"class_list":["post-3888","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","category-tools","tag-tp90","tag-tp99","tag-1103"],"views":18521,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=3888"}],"version-history":[{"count":1,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3888\/revisions"}],"predecessor-version":[{"id":3889,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3888\/revisions\/3889"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=3888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=3888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=3888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}