{"id":2342,"date":"2022-08-30T15:24:04","date_gmt":"2022-08-30T15:24:04","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/01\/05\/cpu-usage-rises-to-100-in-a-few-minutes-on-tomcat-web-sever-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:24:04","modified_gmt":"2022-08-30T15:24:04","slug":"cpu-usage-rises-to-100-in-a-few-minutes-on-tomcat-web-sever-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/cpu-usage-rises-to-100-in-a-few-minutes-on-tomcat-web-sever-collection-of-common-programming-errors\/","title":{"rendered":"CPU usage rises to 100% in a few minutes on Tomcat web sever-Collection of common programming errors"},"content":{"rendered":"<p>mysql tomcat cpu-usage View the original question URL<br \/>\ndiscoverer: user189176 <img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/f8d23dc96b67c97ec4dad991ce5e35d5?s=32&amp;d=identicon&amp;r=PG\" \/><\/p>\n<p>I have an web app running on Tomcat 7 server. The rest of the configuration is:<\/p>\n<ul>\n<li>Intel i7 3930<\/li>\n<li>32GB RAM<\/li>\n<li>2x2TB HDD<\/li>\n<li>20TB Bandwidth<\/li>\n<li>Debian 6<\/li>\n<li>mysql 5.5.9<\/li>\n<\/ul>\n<p>I&#8217;m using Ganglia for monitoring the load. Every few days following scenario happens:<\/p>\n<ul>\n<li>everything is working fine, CPU load is about 3-5%<\/li>\n<li>in just a few minutes CPU load rises to 100% and server gets stuck.<\/li>\n<li>After 10-15 minutes it crashes I can&#8217;t establish ssh connection and server needs manual reboot.<\/li>\n<\/ul>\n<p>What could be the reason? How to deal with it?<\/p>\n<p id=\"rop\"><small>Originally posted 2014-01-05 21:58:07. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>mysql tomcat cpu-usage View the original question URL discoverer: user189176 I have an web app running on Tomcat 7 server. The rest of the configuration is: Intel i7 3930 32GB RAM 2x2TB HDD 20TB Bandwidth Debian 6 mysql 5.5.9 I&#8217;m using Ganglia for monitoring the load. Every few days following scenario happens: everything is working [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2342","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=2342"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2342\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=2342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=2342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=2342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}