{"id":438,"date":"2012-10-07T20:59:48","date_gmt":"2012-10-07T12:59:48","guid":{"rendered":"http:\/\/julyclyde.org\/?p=438"},"modified":"2012-10-07T20:59:48","modified_gmt":"2012-10-07T12:59:48","slug":"%e5%a4%8d%e4%b9%a0%e4%ba%86%e4%b8%80%e4%b8%8bapachebench%e7%9a%84%e7%94%a8%e6%b3%95%ef%bc%8c%e5%85%bc%e8%b0%88%e6%9c%8d%e5%8a%a1%e6%80%a7%e8%83%bd%e6%b5%8b%e8%af%95%e7%9a%84%e5%a4%9a%e5%9b%a0%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/julyclyde.org\/?p=438","title":{"rendered":"\u590d\u4e60\u4e86\u4e00\u4e0bApacheBench\u7684\u7528\u6cd5\uff0c\u517c\u8c08\u670d\u52a1\u6027\u80fd\u6d4b\u8bd5\u7684\u591a\u56e0\u7d20\u95ee\u9898"},"content":{"rendered":"<p>\u6211\u6700\u8fd1\u6709\u70b9\u5173\u6ce8 python web \u5f00\u53d1\uff0c\u770b\u4e86\u4e0d\u5c11\u5173\u4e8e\u9ad8\u6027\u80fdIO\u5e93\u7684\u5bf9\u6bd4\u8bc4\u6d4b\uff0c\u6ca1\u600e\u4e48\u770b\u660e\u767d\uff0c\u7a81\u7136\u89c9\u5f97\u81ea\u5df1\u5bf9\u4e8e ab \u7684\u7528\u6cd5\u4f3c\u4e4e\u4e0d\u600e\u4e48\u60f3\u5f97\u8d77\u6765\u4e86\uff0c\u4e8e\u662f\u590d\u4e60\u4e86\u4e00\u4e0b\u3002<\/p>\n<p>\u5b9e\u9a8c\u73af\u5883\u8981\u5c3d\u91cf\u7b80\u5355\uff0c\u8981\u80fd\u51f8\u663e\u5f71\u54cd\u6027\u80fd\u7684\u51e0\u4e2a\u56e0\u7d20\uff0c\u5e76\u80fd\u901a\u8fc7\u6539\u53d8\u5176\u4e2d\u7684\u5355\u4e2a\u56e0\u5b50\u518d\u89c2\u5bdf\u6027\u80fd\u53d8\u5316\uff0c\u6765\u5f97\u5230\u5404\u56e0\u5b50\u548c\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n<p>\u670d\u52a1\u5668\u7aef gunicorn -w 4 -k sync \u6267\u884c\u4e00\u4e2a\u53ea\u6709\u4e00\u53e5 time.sleep(1) \u7684\u670d\u52a1\u5668\u7a0b\u5e8f\uff0c\u786e\u4fdd\u6bcf\u6b21\u8bf7\u6c42\u7684\u670d\u52a1\u65f6\u95f4\u4e0d\u4f4e\u4e8e\u4e00\u79d2<\/p>\n<p>ab -c4 \u7684\u60c5\u51b5\u4e0b\uff1a<\/p>\n<blockquote><p>Concurrency Level: 4<br \/>\nTime taken for tests: 25.248 seconds<br \/>\nComplete requests: 100<br \/>\nFailed requests: 2<br \/>\n(Connect: 0, Receive: 2, Length: 0, Exceptions: 0)<br \/>\nWrite errors: 0<br \/>\nTotal transferred: 16000 bytes<br \/>\nHTML transferred: 1400 bytes<br \/>\nRequests per second: 3.96 [#\/sec] (mean)<br \/>\nTime per request: 1009.932 [ms] (mean)<br \/>\nTime per request: 252.483 [ms] (mean, across all concurrent requests)<br \/>\nTransfer rate: 0.62 [Kbytes\/sec] received<code><\/code><\/p>\n<p>Connection Times (ms)<br \/>\nmin mean[+\/-sd] median max<br \/>\nConnect: 0 951 217.0 1009 1013<\/p><\/blockquote>\n<p>\u6d4b\u8bd5\u7ed3\u679c\u4e2d\u9700\u8981\u6ce8\u610f\u7684\uff1a<\/p>\n<ol>\n<li>Time taken for tests * Concurrency Level\u00a0== Time per request * Complete requests\u90fd\u662f\u5904\u7406\u6240\u6709\u7684\u8bf7\u6c42\u7684\u603b\u8017\u65f6\u3002<\/li>\n<li>Time per request(mean) == Time taken for tests\/Complete requests<\/li>\n<\/ol>\n<p>\u6ce8\u610f\uff1a\u5efa\u7acb\u8fde\u63a5\u8017\u65f6\u6700\u5927\u503c\u63a5\u8fd1\u4e00\u79d2\u3002<\/p>\n<p>\u5e76\u53d1\u6570\u63d0\u9ad8\u4e00\u500d\uff0cab -c8 \u7684\u60c5\u51b5\u4e0b\uff1a<\/p>\n<blockquote><p>Concurrency Level: 8<br \/>\nTime taken for tests: 25.114 seconds<br \/>\nComplete requests: 100<br \/>\nFailed requests: 11<br \/>\n(Connect: 0, Receive: 11, Length: 0, Exceptions: 0)<br \/>\nWrite errors: 2<br \/>\nTotal transferred: 16000 bytes<br \/>\nHTML transferred: 1400 bytes<br \/>\nRequests per second: 3.98 [#\/sec] (mean)<br \/>\nTime per request: 2009.158 [ms] (mean)<br \/>\nTime per request: 251.145 [ms] (mean, across all concurrent requests)<br \/>\nTransfer rate: 0.62 [Kbytes\/sec] received<code><\/code><\/p>\n<p>Connection Times (ms)<br \/>\nmin mean[+\/-sd] median max<br \/>\nConnect: 0 1507 756.6 2005 2015<\/p><\/blockquote>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a<\/p>\n<ol>\n<li>Time per request \u7ffb\u500d\u4e86\uff0c\u800c Time per request * Completed requests \u81ea\u7136\u4e5f\u5c31\u7ffb\u500d\u4e86\u3002\u800c Requests per second \u5e76\u6ca1\u6709\u968f\u7740\u5e76\u53d1\u6570\u7684\u589e\u52a0\u800c\u63d0\u9ad8\u3002\u670d\u52a1\u5668\u7aef sync worker \u6bcf\u6b21\u53ea\u80fd\u5904\u7406\u4e00\u4e2a\u8bf7\u6c42\uff0c\u5728\u5ba2\u6237\u7aef\u5e76\u53d1\u8d85\u8fc7\u670d\u52a1\u5668\u7aef worker \u6570\uff0c\u800c\u8bf7\u6c42\u53c8\u4e0d\u80fd\u5feb\u901f\u5904\u7406\u5b8c\u6bd5\u7684\u60c5\u51b5\u4e0b\uff0c\u4f1a\u9020\u6210\u8bf7\u6c42\u79ef\u7d2f\uff0c\u6240\u4ee5\u5904\u7406\u65f6\u95f4\u4f1a\u53d8\u957f<\/li>\n<li>\u5efa\u7acb\u8fde\u63a5\u8017\u65f6\u7684\u6700\u5927\u503c\u4e5f\u7ffb\u500d\u4e86<\/li>\n<\/ol>\n<p>\u670d\u52a1\u5668\u6539\u7528 -k eventlet \u8bd5\u8bd5\u5462\uff1f<\/p>\n<p>\u5ba2\u6237\u7aef\u5148\u7528\u56db\u4e2a\u5e76\u53d1\uff1a<\/p>\n<blockquote><p>Concurrency Level: 4<br \/>\nTime taken for tests: 25.097 seconds<br \/>\nComplete requests: 100<br \/>\nFailed requests: 0<br \/>\nWrite errors: 0<br \/>\nTotal transferred: 16000 bytes<br \/>\nHTML transferred: 1400 bytes<br \/>\nRequests per second: 3.98 [#\/sec] (mean)<br \/>\nTime per request: 1003.861 [ms] (mean)<br \/>\nTime per request: 250.965 [ms] (mean, across all concurrent requests)<br \/>\nTransfer rate: 0.62 [Kbytes\/sec] received<code><\/code><\/p>\n<p>Connection Times (ms)<br \/>\nmin mean[+\/-sd] median max<br \/>\nConnect: 0 0 0.2 0 1<\/p><\/blockquote>\n<p>\u6ce8\u610f\u5efa\u7acb\u8fde\u63a5\u8017\u65f6\u6bd4 -k sync \u65f6\u5927\u5927\u964d\u4f4e<\/p>\n<p>\u516b\u5e76\u53d1\u5462\uff1f<\/p>\n<blockquote><p>Concurrency Level: 8<br \/>\nTime taken for tests: 13.046 seconds<br \/>\nComplete requests: 100<br \/>\nFailed requests: 0<br \/>\nWrite errors: 0<br \/>\nTotal transferred: 16000 bytes<br \/>\nHTML transferred: 1400 bytes<br \/>\nRequests per second: 7.67 [#\/sec] (mean)<br \/>\nTime per request: 1043.689 [ms] (mean)<br \/>\nTime per request: 130.461 [ms] (mean, across all concurrent requests)<br \/>\nTransfer rate: 1.20 [Kbytes\/sec] received<code><\/code><\/p>\n<p>Connection Times (ms)<br \/>\nmin mean[+\/-sd] median max<br \/>\nConnect: 0 0 0.5 0 3<\/p><\/blockquote>\n<p>\u5904\u7406\u80fd\u529b\u7ffb\u500d\u4e86\uff1b\u5efa\u7acb\u8fde\u63a5\u8017\u65f6\u4f9d\u7136\u5f88\u5c0f<\/p>\n<p>\u8fd9\u662f\u670d\u52a1\u5668\u7aef\u5f02\u6b65\u5904\u7406\u7684\u597d\u5904\uff1a\u4e00\u4e2a worker \u53ef\u4ee5\u5904\u7406\u591a\u4e2a\u5e76\u53d1\u8bf7\u6c42\uff0c\u4e5f\u5c31\u662f\u8bf4\u76ee\u524d\u670d\u52a1\u5668\u7684\u5904\u7406\u80fd\u529b\u662f\u9ad8\u4e8e -w 4 \u53c2\u6570\u6307\u660e\u7684 worker \u6570\u7684\u3002<\/p>\n<p>\u6211\u8ba4\u4e3a\uff1a<\/p>\n<ul>\n<li>Concurrency Level \u548c Requests per second \u6bd4\u8f83\u63a5\u8fd1\u7684\u60c5\u51b5\uff0c\u8bf4\u660e\u670d\u52a1\u5668\u8fd8\u6ca1\u5230\u6027\u80fd\u6781\u9650<\/li>\n<li>ab \u538b\u529b\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u5927\u91cf\u9519\u8bef\uff0c\u53ef\u80fd\u662f\u670d\u52a1\u5668\u8fc7\u8f7d\u7684\u8868\u73b0<\/li>\n<li>sync \u7684\u60c5\u51b5\u4e0b\uff0c\u663e\u7136\u5e76\u53d1\u6570\u662f\u4e0d\u80fd\u8d85\u8fc7 worker \u6570\u7684<\/li>\n<li>async \u7c7b\u578b\u7684 worker\uff0c\u5e76\u53d1\u6570\u548c worker \u6570\u7684\u6bd4\u4f8b\u5173\u7cfb\uff0c\u548c\u670d\u52a1\u7a0b\u5e8f\u7684\u590d\u6742\u5ea6\u6709\u5173\uff0c\u548c CPU \u6838\u6570\u4e5f\u6709\u5173<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u6700\u8fd1\u6709\u70b9\u5173\u6ce8 python web \u5f00\u53d1\uff0c\u770b\u4e86\u4e0d\u5c11\u5173\u4e8e\u9ad8\u6027\u80fdIO\u5e93\u7684\u5bf9\u6bd4\u8bc4\u6d4b\uff0c\u6ca1\u600e\u4e48\u770b\u660e\u767d\uff0c\u7a81\u7136\u89c9\u5f97\u81ea\u5df1\u5bf9\u4e8e ab \u7684\u7528\u6cd5\u4f3c\u4e4e\u4e0d\u600e\u4e48\u60f3\u5f97\u8d77\u6765\u4e86\uff0c\u4e8e\u662f\u590d\u4e60\u4e86\u4e00\u4e0b\u3002 \u5b9e\u9a8c\u73af\u5883\u8981\u5c3d\u91cf\u7b80\u5355\uff0c\u8981\u80fd\u51f8\u663e\u5f71\u54cd\u6027\u80fd\u7684\u51e0\u4e2a\u56e0\u7d20\uff0c\u5e76\u80fd\u901a\u8fc7\u6539\u53d8\u5176\u4e2d\u7684\u5355\u4e2a\u56e0\u5b50\u518d\u89c2\u5bdf\u6027\u80fd\u53d8\u5316\uff0c\u6765\u5f97\u5230\u5404\u56e0\u5b50\u548c\u6027\u80fd\u4e4b\u95f4\u7684\u5173\u7cfb\u3002 \u670d\u52a1\u5668\u7aef gunicorn -w 4 -k sync \u6267\u884c\u4e00\u4e2a\u53ea\u6709\u4e00\u53e5 time.sleep(1) \u7684\u670d\u52a1\u5668\u7a0b\u5e8f\uff0c\u786e\u4fdd\u6bcf\u6b21\u8bf7\u6c42\u7684\u670d\u52a1\u65f6\u95f4\u4e0d\u4f4e\u4e8e\u4e00\u79d2 ab -c4 \u7684\u60c5\u51b5\u4e0b\uff1a Concurrency Level: 4 Time taken for tests: 25.248 seconds Complete requests: 100 Failed requests: 2 (Connect: 0, Receive: 2, Length: 0, &hellip; <a href=\"https:\/\/julyclyde.org\/?p=438\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/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":[],"class_list":["post-438","post","type-post","status-publish","format-standard","hentry","category-default"],"_links":{"self":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/posts\/438","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=438"}],"version-history":[{"count":0,"href":"https:\/\/julyclyde.org\/index.php?rest_route=\/wp\/v2\/posts\/438\/revisions"}],"wp:attachment":[{"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/julyclyde.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}