{"id":258831,"date":"2022-12-17T10:18:46","date_gmt":"2022-12-17T02:18:46","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=258831"},"modified":"2022-12-11T11:14:07","modified_gmt":"2022-12-11T03:14:07","slug":"linux-system-clear","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/linux-system-clear.html","title":{"rendered":"Linux\u7cfb\u7edf\u6e05\u7406\u7f13\u5b58\u65b9\u6cd5"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>Linux\u8fd0\u884c\u4e3b\u8981\u770b\u7269\u7406\u5185\u5b58\u548c\u4ea4\u6362\u7a7a\u95f4SWAP\uff08\u865a\u62df\u5185\u5b58\uff09\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u4e00\u822c\u7269\u7406\u5185\u5b58\u5c0f\u5219\u8bbe\u7f6e\u865a\u62df\u5185\u5b58\u5927\u70b9\uff0c\u7269\u7406\u5185\u5b58\u5927\uff0c\u5219\u8bbe\u7f6e\u865a\u62df\u5185\u5b58\u5c0f\u70b9\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-01.jpg\" alt=\"\" width=\"456\" height=\"432\" class=\"alignnone size-full wp-image-258842\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-01.jpg 456w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-01-300x284.jpg 300w\" sizes=\"auto, (max-width: 456px) 100vw, 456px\" \/><\/p>\n<p>\u5728\u65e7\u7248\u7cfb\u7edf\u4e2d\u865a\u62df\u5185\u5b58\u5e38\u5e38\u8bbe\u7f6e\u4e3a\u7269\u7406\u5185\u5b58\u7684\u4e24\u500d\uff0c\u4f46\u662f\u65b0\u7248\u65b0\u786c\u4ef6\uff0c\u5185\u5b58\u5df2\u7ecf\u6781\u5927\u63d0\u5347\u4e86\u5bb9\u91cf\u4e0e\u901f\u7387\uff0c\u518d\u52a0\u4e0a\u56fa\u6001\u786c\u76d8\uff0c\u5c31\u4e0d\u9700\u8981\u751a\u81f3\u4e0d\u7528\u865a\u62df\u5185\u5b58\u4e86\u3002\u4f46\u662f\u5728HPC\u4e2d\uff0c\u5f80\u5f80\u8fd8\u662f\u5f97\u52a0\u5165\u865a\u62df\u5185\u5b58\uff0c\u4ee5\u514d\u7cfb\u7edf\u51fa\u73b0\u5f02\u5e38\u5361\u6b7b\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u5982\u679c\u7a0b\u5e8f\u8fd0\u884c\u671f\u95f4\u8fc7\u6e21\u5230\u865a\u62df\u5185\u5b58\uff0c\u4e0d\u7ba1cpu\u5360\u7684\u6ee1\u4e0d\u6ee1\uff0c\u57fa\u672c\u90fd\u4f1a\u611f\u89c9\u5230\u5361\u987f\u4e86\uff0c\u8fd9\u65f6\u53ef\u4ee5top\u8be6\u7ec6\u770b\u4e0b\u8fd0\u884c\u60c5\u51b5<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-02.jpg\" alt=\"\" width=\"623\" height=\"168\" class=\"alignnone size-full wp-image-258844\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-02.jpg 623w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-02-300x81.jpg 300w\" sizes=\"auto, (max-width: 623px) 100vw, 623px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-03.jpg\" alt=\"\" width=\"589\" height=\"51\" class=\"alignnone size-full wp-image-258845\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-03.jpg 589w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-03-300x26.jpg 300w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><\/p>\n<p>\u5982\u53ea\u6709\u4e00\u53f0\uff0c\u5219\u53ea\u9700\u8981 <\/p>\n<pre>sync;sync;sync && swapoff -a && swapon -a<\/pre>\n<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-04.jpg\" alt=\"\" width=\"437\" height=\"121\" class=\"alignnone size-full wp-image-258849\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-04.jpg 437w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-04-300x83.jpg 300w\" sizes=\"auto, (max-width: 437px) 100vw, 437px\" \/><\/p>\n<p>\u547d\u4ee4\u7528root\u6267\u884c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-05.jpg\" alt=\"\" width=\"592\" height=\"58\" class=\"alignnone size-full wp-image-258851\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-05.jpg 592w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-05-300x29.jpg 300w\" sizes=\"auto, (max-width: 592px) 100vw, 592px\" \/><\/p>\n<p>\u6709\u65f6\u5019\u4f1a\u53d1\u73b0\u6ca1\u6709\u8fd0\u884c\u8f6f\u4ef6\uff0c\u4f46\u4f9d\u65e7\u53d1\u73b0\u7269\u7406\u5185\u5b58\u4f7f\u7528\u91cf\u5927\uff0c\u8fd9\u662f\u53ef\u4ee5\u5229\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u6e05\u7406\u7269\u7406\u5185\u5b58\u7f13\u5b58<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-06.jpg\" alt=\"\" width=\"471\" height=\"149\" class=\"alignnone size-full wp-image-258853\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-06.jpg 471w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-06-300x95.jpg 300w\" sizes=\"auto, (max-width: 471px) 100vw, 471px\" \/><\/p>\n<p>\u53ea\u6709\u4e00\u53f0\uff0c\u5219\u53ea\u9700<\/p>\n<pre>sync;sync;sync<\/pre>\n<p>#\u5982\u4e0a\u56fe && \u540e\u9762<\/p>\n<pre>echo 3> \/proc\/sys\/vm\/drop_caches <\/pre>\n<p>\u547d\u4ee4\u7528root\u6267\u884c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-07.jpg\" alt=\"\" width=\"629\" height=\"99\" class=\"alignnone size-full wp-image-258855\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-07.jpg 629w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2022\/12\/linux-system-clear-07-300x47.jpg 300w\" sizes=\"auto, (max-width: 629px) 100vw, 629px\" \/><\/p>\n<p>\u53ef\u4ee5\u660e\u663e\u770b\u5230used\u503c\u53d8\u5c0f\u4e86\uff0cfree\u503c\u53d8\u5927\u4e86\u3002<\/p>\n<p>\u5728linux\u7cfb\u7edf\u4e2d\uff0c\u4e0d\u5355\u5355\u53ea\u662f\u5185\u5b58\uff0c\u5176\u5b83\u5404\u65b9\u9762\uff0c\u6bd4\u5982CPU\uff0c\u786c\u76d8\u6027\u80fd\u4e5f\u4f1a\u5bf9\u7a0b\u5e8f\u6574\u4f53\u8fd0\u884c\u6709\u5f71\u54cd\uff0c\u5177\u4f53\u95ee\u9898\uff0c\u5177\u4f53\u5206\u6790\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u65e7\u7248\u7cfb\u7edf\u4e2d\u865a\u62df\u5185\u5b58\u5e38\u5e38\u8bbe\u7f6e\u4e3a\u7269\u7406\u5185\u5b58\u7684\u4e24\u500d\uff0c\u4f46\u662f\u65b0\u7248\u65b0\u786c\u4ef6\uff0c\u5185\u5b58\u5df2\u7ecf\u6781\u5927\u63d0\u5347\u4e86\u5bb9\u91cf\u4e0e\u901f\u7387\uff0c\u518d\u52a0\u4e0a\u56fa\u6001\u786c\u76d8\uff0c\u5c31 [&hellip;]<\/p>\n","protected":false},"author":310,"featured_media":258860,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-258831","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/258831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/310"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=258831"}],"version-history":[{"count":19,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/258831\/revisions"}],"predecessor-version":[{"id":259205,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/258831\/revisions\/259205"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/258860"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=258831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=258831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=258831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}