{"id":39312,"date":"2016-02-29T13:00:00","date_gmt":"2016-02-29T19:00:00","guid":{"rendered":"https:\/\/blog.cpanel.com\/?p=39312"},"modified":"2016-02-29T13:00:00","modified_gmt":"2016-02-29T19:00:00","slug":"shh-this-service-is-sleeping-dormant-mode-in-cpanel-whm-version-56","status":"publish","type":"post","link":"https:\/\/devel.www.cpanel.net\/blog\/products\/shh-this-service-is-sleeping-dormant-mode-in-cpanel-whm-version-56\/","title":{"rendered":"Shh! This Service is Sleeping! Dormant Mode in cPanel &amp; WHM version 56"},"content":{"rendered":"<p>When you&#8217;re running a cPanel &amp; WHM server, you want to make sure that you get the most bang out of every bit of memory you can. To help you do this, cPanel &amp; WHM version 56 will include additional settings to reduce unnecessary memory consumption. We&#8217;ve expanded and improved the dormant mode setting that&#8217;s available for cPanel &amp; WHM services.<\/p>\n<p>Services enter dormant mode when they&#8217;ve been idle for a set amount of time, and remain dormant until the system &#8220;wakes&#8221; them.\u00a0When we enabled dormant mode for all of the available services on our 64-bit CentOS 7 testing servers, we observed a 200 MB total reduction in memory usage for idle services! For individual services, that&#8217;s:<\/p>\n<ul>\n<li>35 MB for cpdavd (cPanel &amp; WHM&#8217;s WebDav\u00a0daemon)<\/li>\n<li>17 MB for cphulkd (cPanel &amp; WHM&#8217;s\u00a0brute force\u00a0protection\u00a0daemon)<\/li>\n<li>30 MB for cpsrvd (cPanel &amp; WHM&#8217;s service manager\u00a0daemon)<\/li>\n<li>25 MB for dnsadmin (cPanel &amp; WHM&#8217;s DNS management daemon)<\/li>\n<li>93 MB for spamd (the Apache SpamAssassin&#x2122; daemon)<\/li>\n<\/ul>\n<p>We anticipate\u00a0<strong>even greater memory savings<\/strong>\u00a0during dormant mode on servers with a large number of domains or accounts, and on servers with large and well-trained spam databases. Of course, memory reduction will vary based on operating system, architecture, and RAM configuration, with 32-bit systems experiencing less savings than 64-bit systems.<\/p>\n<p>You can enable or disable the\u00a0<em>Dormant services<\/em>\u00a0setting in the\u00a0<em>Software<\/em>\u00a0section of\u00a0WHM&#8217;s\u00a0<em>Tweak Settings<\/em>\u00a0interface (<em>Home &gt;&gt; Server Configuration &gt;&gt; Tweak Settings<\/em>) for all of the services listed above.\u00a0The upgrade to cPanel &amp; WHM version 56 will enable the\u00a0<em>Dormant services<\/em>\u00a0setting for\u00a0<strong>all<\/strong>\u00a0of these services.\u00a0We also updated both the new\u00a0<strong>and<\/strong>\u00a0existing dormant mode capabilities to ensure that Tailwatch checks do\u00a0<strong>not<\/strong>\u00a0wake dormant services or prevent dormant mode.<\/p>\n<p>To disable this setting, use WHM&#8217;s\u00a0<em>Tweak Settings<\/em>\u00a0interface (<em>Home &gt;&gt; Server Configuration &gt;&gt; Tweak Settings<\/em>). (Because cPanel &amp; WHM stores this setting dynamically, you should\u00a0<strong>not<\/strong>\u00a0modify the value directly in the\u00a0<code>\/var\/cpanel\/cpanel.config<\/code>\u00a0file.)\u00a0Anyone using custom dnsadmin plugins that use custom ports\u00a0<strong>must<\/strong>\u00a0disable the\u00a0<em>dnsadmin<\/em>\u00a0option, or you may experience problems after the upgrade.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When you&#8217;re running a cPanel &amp; WHM server, you want to make sure that you get the most bang out of every bit of memory you can. To help you do this, cPanel &amp; WHM version 56 will include additional settings to reduce unnecessary memory consumption. We&#8217;ve expanded and improved the dormant mode setting that&#8217;s [&hellip;]<\/p>\n","protected":false},"author":77,"featured_media":64501,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[49],"tags":[1389,1397,1401,1405,201],"class_list":["post-39312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-1389","tag-dormant-mode","tag-services","tag-tweak-settings","tag-whm"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Shh! This Service is Sleeping! 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