{"id":2373037,"date":"2011-10-29T14:38:57","date_gmt":"2011-10-29T14:38:57","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/wordpress-hogging-all-cpu\/"},"modified":"2016-08-20T03:11:44","modified_gmt":"2016-08-20T03:11:44","slug":"wordpress-hogging-all-cpu","status":"closed","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/wordpress-hogging-all-cpu\/","title":{"rendered":"WordPress hogging all CPU"},"content":{"rendered":"<p>I noticed wordpress is hogging 50% to 100% of my dedicated server&#8217;s CPU on a single request so I started to do some testing.<\/p>\n<p>(Watch in 1080p or you can&#8217;t see anything)<br \/>\n<a href=\"http:\/\/www.youtube.com\/watch?v=xIkSgdjRUoI\">http:\/\/www.youtube.com\/watch?v=xIkSgdjRUoI<\/a><\/p>\n<p>Debian6, 2GB RAM, 2x 1.6GHz<\/p>\n<p>So I made a copy of the website and put it on a VPS with Debian5, 512MB RAM, shared 4x 2.5GHz . I disabled all wordpress plug-ins prior to this test.<\/p>\n<p><a href=\"http:\/\/www.youtube.com\/watch?v=6z7l1Cb_kRE\">http:\/\/www.youtube.com\/watch?v=6z7l1Cb_kRE<\/a><\/p>\n<p>It&#8217;s using *way* too much. 10 simultaneous connections causes 100% load on all 4 cores.<\/p>\n<p>So, it happens on both servers, so it&#8217;s obviously something wordpress related. Plugins are off so it can&#8217;t be that. So I tried installing xcache, it didn&#8217;t help ;(<\/p>\n<p><a href=\"http:\/\/i1132.photobucket.com\/albums\/m577\/kakaboeie\/xcache-nohelp.png\">http:\/\/i1132.photobucket.com\/albums\/m577\/kakaboeie\/xcache-nohelp.png<\/a><\/p>\n<p>I use lighttpd as a webserver, btw. I read some people&#8217;s posts over the internets saying they get ~50.000 pageviews per day and don&#8217;t even come near to the resources I am using up with 10 requests.<\/p>\n<p>What can be causing this?<\/p>\n","protected":false},"template":"","class_list":["post-2373037","topic","type-topic","status-closed","hentry","topic-tag-cpu"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/2373037","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/2373037\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=2373037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}