{"id":8648,"date":"2016-05-03T21:11:10","date_gmt":"2016-05-03T20:11:10","guid":{"rendered":"https:\/\/wp.okra.host\/article\/server-reports-little-free-system-memory\/"},"modified":"2021-03-07T14:43:26","modified_gmt":"2021-03-07T13:43:26","slug":"server-reports-little-free-system-memory","status":"publish","type":"ht_kb","link":"https:\/\/kb.okra.host\/de\/article\/server-reports-little-free-system-memory\/","title":{"rendered":"Server meldet wenig freien Systemspeicher"},"content":{"rendered":"<h2 id=\"overview\" >\u00dcbersicht<\/h2>\n<p>Accessing <code>free<\/code> from the <a href=\"https:\/\/kb.okra.host\/de\/terminal\/accessing-terminal\/\">Terminal<\/a> oder <strong>Reports<\/strong> &gt; <strong>Server Info<\/strong> innerhalb der <a href=\"https:\/\/kb.okra.host\/de\/control-panel\/logging-into-the-control-panel\/\">Bedienfeld<\/a> reports a small sliver of total system memory as free or available. For example, below is the output from <code>free<\/code> on a <a href=\"https:\/\/kb.okra.host\/de\/platform\/determining-platform-version\/\">4th generation<\/a> server:<\/p>\n<pre>                     total     used    free shared <strong>buffers<\/strong>   <strong>cached<\/strong>\r\nMem:              16540796 13011700 3529096      0  135404 10609292\r\n-\/+ buffers\/cache: 2267004 14273792\r\nSwap:              2104496    56884 2047612<\/pre>\n<h2 id=\"cause\" >Ursache<\/h2>\n<p>Servers are very efficient at managing memory. Memory that is not occupied by a process may be utilized to store file data (<em>buffers<\/em>)\u00a0and metadata (location on disk, size, owner, etc reflected in <em>cached<\/em>). If there is unbound memory available on a server, it will be used by the server to boost local filesystem performance (<em>buffers<\/em>\u00a0<em>and\u00a0cached as seen above<\/em>). Newer platforms will also donate free\u00a0memory to other cloud instances on a server to boost performance. Likewise when memory\u00a0is needed by a process, memory is donated from first <em>cached<\/em> storage, then\u00a0<em>buffers<\/em>. On newer platforms, if sibling clouds have memory to donate, then that memory is absorbed. Lastly, if memory cannot be converted from\u00a0<em>buffers<\/em>,\u00a0<em>cached<\/em>, or neighboring\u00a0<em>clouds<\/em>, then the <a href=\"https:\/\/www.kernel.org\/doc\/gorman\/html\/understand\/understand016.html\">out-of-memory killer<\/a> is invoked to randomly\u00a0terminate a process with the highest resident stack size until sufficient memory is available to\u00a0run the process.<\/p>","protected":false},"excerpt":{"rendered":"<p>Overview Accessing free from the terminal or Reports &gt; Server Info within the control panel reports a small sliver of total system memory as free or available. For example, below is the output from free on a 4th generation server: total used free shared buffers cached Mem: 16540796 13011700 3529096&#8230;<\/p>","protected":false},"author":1,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[64],"ht-kb-tag":[],"class_list":["post-8648","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-platform"],"_links":{"self":[{"href":"https:\/\/kb.okra.host\/de\/wp-json\/wp\/v2\/ht-kb\/8648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kb.okra.host\/de\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/kb.okra.host\/de\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/kb.okra.host\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kb.okra.host\/de\/wp-json\/wp\/v2\/comments?post=8648"}],"version-history":[{"count":1,"href":"https:\/\/kb.okra.host\/de\/wp-json\/wp\/v2\/ht-kb\/8648\/revisions"}],"predecessor-version":[{"id":8649,"href":"https:\/\/kb.okra.host\/de\/wp-json\/wp\/v2\/ht-kb\/8648\/revisions\/8649"}],"wp:attachment":[{"href":"https:\/\/kb.okra.host\/de\/wp-json\/wp\/v2\/media?parent=8648"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/kb.okra.host\/de\/wp-json\/wp\/v2\/ht-kb-category?post=8648"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/kb.okra.host\/de\/wp-json\/wp\/v2\/ht-kb-tag?post=8648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}