{"id":496,"date":"2025-03-18T16:25:23","date_gmt":"2025-03-18T16:25:23","guid":{"rendered":"https:\/\/linuxjk.cn\/?p=496"},"modified":"2025-03-18T16:46:40","modified_gmt":"2025-03-18T16:46:40","slug":"%e4%ba%91%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%8a%a0swap%e5%b9%b6%e9%85%8d%e7%bd%ae%e7%b3%bb%e7%bb%9f%e4%bd%bf%e7%94%a8%e7%ad%96%e7%95%a5","status":"publish","type":"post","link":"https:\/\/linuxjk.cn\/?p=496","title":{"rendered":"\u4e91\u670d\u52a1\u5668\u52a0swap\u5e76\u914d\u7f6e\u7cfb\u7edf\u4f7f\u7528\u7b56\u7565"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"496\" class=\"elementor elementor-496\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1a995a3 e-flex e-con-boxed e-con e-parent\" data-id=\"1a995a3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f48a63e elementor-widget elementor-widget-heading\" data-id=\"f48a63e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/linuxjk.cn\/?p=496\/#vim_etcsysctlconf%E5%B0%86vmswappiness_0%E5%80%BC%E6%94%B9%E4%B8%BA50\" >vim \/etc\/sysctl.conf\u5c06vm.swappiness = 0\u503c\u6539\u4e3a50<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/linuxjk.cn\/?p=496\/#%E6%B7%BB%E5%8A%A0swap%E4%BA%A4%E6%8D%A2%E7%A9%BA%E9%97%B4%E6%AD%A5%E9%AA%A4%EF%BC%9A\" >\u6dfb\u52a0swap\u4ea4\u6362\u7a7a\u95f4\u6b65\u9aa4\uff1a<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"vim_etcsysctlconf%E5%B0%86vmswappiness_0%E5%80%BC%E6%94%B9%E4%B8%BA50\"><\/span>vim \/etc\/sysctl.conf\u5c06vm.swappiness = 0\u503c\u6539\u4e3a50<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b29b56b elementor-widget elementor-widget-text-editor\" data-id=\"b29b56b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u5728\u4f7f\u75282\u68382G\u7684\u4e91\u670d\u52a1\u5668\u65f6\uff0c\u7ecf\u5e38\u78b0\u5230\u6e90\u7801\u5305\u7f16\u8bd1\u65f6\u95f4\u592a\u957f\u7684\u6216\u8005\u88c5\u5927\u70b9\u7684\u8f6f\u4ef6\u5c31\u5185\u5b58\u5403\u6ee1\u5e26\u4e0d\u52a8\u7b49\u7b49\u95ee\u9898\uff0c\u4e25\u91cd\u4e00\u70b9\u8fd8\u4f1a\u5361\u6b7b\uff0c\u975e\u5e38\u96be\u53d7\uff0c\u6211\u5c31\u60f3\u5230\u4e86\u53ef\u4ee5\u52a0\u4e00\u4e9bswap\u4ea4\u6362\u7a7a\u95f4\u3002<\/strong><br \/><strong>\u8bf4\u5e72\u5c31\u5e72\uff0c\u6309\u7167\u4e4b\u524d\u5b66\u7684\u6b65\u9aa4\u505a\u4e86\u4e00\u904d\u4e4b\u540e\uff0c\u51fa\u73b0\u7adf\u7136free -m\u663e\u793a\u6709swap\u5185\u5b58\u4f46\u662f\u7cfb\u7edf\u5c31\u4e0d\u7528\uff0c\u641c\u4e86\u4e00\u4e0b\u539f\u56e0\u5dee\u4e0d\u591a\u5c31\u662f\u5404\u5927\u4e91\u670d\u52a1\u5668\u5382\u5546\u914d\u7f6e\u7684\u4e00\u4e2a\u53c2\u6570\uff1avm.swapiness=0\uff0c\u56e0\u4e3a\u672c\u8eabswap\u5c31\u4e0d\u662f\u5fc5\u9700\u54c1\uff0c\u5382\u5546\u89c9\u5f97\u6ca1\u5fc5\u8981\u5f00\u8fd9\u4e2a\u53cd\u800c\u964d\u4f4e\u670d\u52a1\u5668\u8fd0\u884c\u901f\u5ea6\uff0c\u4f46\u662f\u50cf\u6211\u8fd9\u79cd\u6bd4\u8f83\u8282\u4fed\uff08\u62a0\uff09\u7684\u7537\u5927\u5b66\u751f\u6765\u8bf4\uff0c\u6068\u4e0d\u5f972G\u7684\u670d\u52a1\u5668\u8dd1\u51fa4G\u7684\u6548\u679c\uff0c\u679c\u65ad\u60f3\u727a\u7272\u4f7f\u7528\u4f53\u9a8c\u628a\u670d\u52a1\u5668\u538b\u69a8\u5e72\uff0c\u5c31\u7b97\u901f\u5ea6\u964d\u4e0b\u6765\u53ea\u8981\u7cfb\u7edf\u4e0d\u6302\u90fd\u80fd\u63a5\u53d7\u3002<\/strong><\/p><p><strong>\u56de\u5230\u6b63\u6587\uff1a\u521b\u5efaswap\u7684\u8be6\u7ec6\u6b65\u9aa4\u5e94\u8be5\u5982\u4e0b\uff1a\u9632\u6b62\u54ea\u5929\u5fd8\u8bb0\u8fd8\u8981\u73b0\u641c<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2678426 elementor-widget elementor-widget-heading\" data-id=\"2678426\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><span class=\"ez-toc-section\" id=\"%E6%B7%BB%E5%8A%A0swap%E4%BA%A4%E6%8D%A2%E7%A9%BA%E9%97%B4%E6%AD%A5%E9%AA%A4%EF%BC%9A\"><\/span>\u6dfb\u52a0swap\u4ea4\u6362\u7a7a\u95f4\u6b65\u9aa4\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0a25c7 elementor-widget elementor-widget-text-editor\" data-id=\"a0a25c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>1.\u7528dd\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u7528\u6765\u505aswap\u7684\u6587\u4ef6,\u5148\u8fdb\u5165\u4e00\u4e2a\u559c\u6b22\u7684\u6587\u4ef6\u5939\uff0c\u7136\u540e<\/strong><br \/><span style=\"text-decoration: underline;\"><strong>dd if=\/dev\/zero of=swapfile count=1 bs=2G<\/strong><\/span><br \/><strong>2.\u628a\u521a\u521b\u5efa\u7684\u7a7a\u6587\u4ef6\u8bbe\u7f6e\u6210swap\u4ea4\u6362\u533a<\/strong><br \/><span style=\"text-decoration: underline;\"><strong>mkswap swapfile<\/strong><\/span><br \/><strong>3.\u542f\u7528swap\u4ea4\u6362\u5206\u533a<\/strong><br \/><span style=\"text-decoration: underline;\"><strong>swapon swapfile<\/strong><\/span><br \/><strong>4.\u628aswap\u7684\u4fe1\u606f\u5199\u5165\/etc\/fstab\uff0c\u4e0b\u6b21\u53ef\u4ee5\u5f00\u673a\u81ea\u52a8\u6302\u8f7d<\/strong><br \/><span style=\"text-decoration: underline;\"><strong>echo &#8220;\/opt\/swapfile swap swap defaults 0 0&#8221; &gt;&gt; \/etc\/fstab<\/strong><\/span><br \/><strong>##\u4f7f\u7528\u8fd9\u6761\u547d\u4ee4\u8981\u5c0f\u5fc3\u4e0d\u8981\u5c11\u5199&gt;,\u5426\u5219\/etc\/fstab\u4f1a\u53ea\u5269\u4e0b\u4f60\u521a\u8f93\u5165\u7684\u4fe1\u606f<\/strong><br \/><strong>5.<a href=\"https:\/\/blog.csdn.net\/Erwinl\/article\/details\/112776961\">\u8fd9\u4e2a\u503c\u662f\u5982\u4f55\u4f7f\u7528swap\u5206\u533a\u503c\u8d8a\u5927\u8d8a\u79ef\u6781\u4f7f\u7528swap\u5206\u533a\uff0c\u8d8a\u5c0f\u8868\u793a\u8d8a\u79ef\u6781\u4f7f\u7528\u7269\u7406\u5185\u5b58\uff0cwappiness=50\uff0c\u8868\u793a\u5185\u5b58\u4f7f\u7528\u7387\u8d85\u8fc7100-50=50%\u65f6\u5f00\u59cb\u4f7f\u7528\u4ea4\u6362\u5206\u533a\uff0cswappiness=0\u65f6\u4e0d\u4f7f\u7528swapswappiness\uff1d100\u7684\u65f6\u5019\u8868\u793a\u79ef\u6781\u4f7f\u7528swap\u5206\u533a\uff0c\u5e76\u628a\u5185\u5b58\u4e0a\u7684\u6570\u636e\u53ca\u65f6\u642c\u8fd0\u5230swap\u7a7a\u95f4\uff08\u8f6c\u81eacsdn\uff09\uff0c\u70b9\u51fb\u6b64\u6bb5\u8bdd\u53ef\u8fdb\u5165\u539f\u6587<\/a><\/strong><br \/><strong><span style=\"text-decoration: underline;\">vim \/etc\/sysctl.conf \u5c06vm.swappiness = 0<\/span>\u503c\u6539\u4e3a50<\/strong><br \/><strong>6.<span style=\"text-decoration: underline;\">sysctl -p<\/span><\/strong><br \/><strong>\u52a0\u8f7d\u53c2\u6570\uff1a\u4e2a\u4eba\u7406\u89e3\u50cf\u662f\u91cd\u542f\u6216\u8005\u4fee\u6539\u73af\u5883\u53d8\u91cf\u540e\u7684source\uff0c\u53ef\u4ee5\u5728\u4e0d\u91cd\u542f\u7684\u60c5\u51b5\u4e0b\u5c31\u5b9e\u73b0\u6211\u4eec\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u7684\u76ee\u7684<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>vim \/etc\/sysctl.conf\u5c06vm.swappiness = 0\u503c\u6539\u4e3a50 \u5728\u4f7f\u75282\u68382G\u7684\u4e91\u670d\u52a1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[15],"class_list":["post-496","post","type-post","status-publish","format-standard","hentry","category-vxhs888p","tag-check_error"],"_links":{"self":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=496"}],"version-history":[{"count":4,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/496\/revisions"}],"predecessor-version":[{"id":500,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=\/wp\/v2\/posts\/496\/revisions\/500"}],"wp:attachment":[{"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/linuxjk.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}