{"id":1930,"date":"2020-07-23T22:18:19","date_gmt":"2020-07-23T14:18:19","guid":{"rendered":"http:\/\/blog.ywdevops.cn\/?p=1930"},"modified":"2023-08-28T17:28:43","modified_gmt":"2023-08-28T09:28:43","slug":"swap","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2020\/07\/23\/swap\/","title":{"rendered":"linux\u4ea4\u6362\u7a7a\u95f4swap"},"content":{"rendered":"\n<p class=\"has-text-align-center wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u5173\u95edswap<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u6267\u884c\u547d\u4ee4<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>swapoff -a<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u5c06<strong>\/etc\/fstab\u4e2d<\/strong>\u7684swap\u52a0\u8f7d\u5220\u9664\uff0c\u91cd\u542f\u670d\u52a1\u5668\u5373\u53ef<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u6dfb\u52a0swap<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u521b\u5efa\u4e00\u4e2a\u7a7a\u6587\u4ef6\uff0c\u4e00\u822cswap\u5927\u5c0f\u662f\u5185\u5b58\u7684\u4e24\u500d\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>dd if=\/dev\/zero of=\/data\/swapfile bs=1M count=1024<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">if\u8868\u793a\u4f7f\u7528\/dev\/zero\u8bbe\u5907\u6765\u521b\u5efa\u6587\u4ef6\uff0cof\u540e\u9762\u8868\u793a\u6587\u4ef6\u540d\uff0cbs\u8868\u793a\u5757\u8bbe\u5907\u5927\u5c0f\u4e3a1M\uff0ccount\u8868\u793a\u6570\u91cf\u4e3a1024,\u610f\u601d\u5c31\u662f\u521b\u5efa\u7684swapfile\u7684\u6587\u4ef6\u5927\u5c0f\u4e3a1G<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3001\u5c06\u6b64\u5206\u533a\u8f6c\u6362\u4e3aSwap\u5206\u533a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mkswap \/data\/swapfile<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">3\u3001\u5c06\u6b64\u5206\u533a\u52a0\u5165Swap\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>swapon \/data\/swapfile<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">4\u3001\u770b\u4e0bSwap\u5927\u5c0f\uff1a<strong>\u00a0<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>free -h<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">5\u3001\u5c06\u52a0\u8f7d\u4fe1\u606f\u5199\u5165\u5230<strong>\/etc\/fstab<\/strong>\u5373\u53ef<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u6302\u8f7d\u65b9\u5f0f\u4e00\uff1a\u901a\u8fc7UUID\u6302\u8f7d<\/mark><\/strong>\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"629\" height=\"207\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/48-1.png\" alt=\"\" class=\"wp-image-1938\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/48-1.png 629w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/48-1-300x99.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/48-1-600x197.png 600w\" sizes=\"auto, (max-width: 629px) 100vw, 629px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u56fe\u4e2d\u7684UUID\u662f\u524d\u9762\u6267\u884cmkswap\u547d\u4ee4\u65f6\u5019\u83b7\u5f97\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"608\" height=\"156\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/49.png\" alt=\"\" class=\"wp-image-1940\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/49.png 608w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/49-300x77.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/07\/49-600x154.png 600w\" sizes=\"auto, (max-width: 608px) 100vw, 608px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">\u6302\u8f7d\u65b9\u5f0f\u4e8c\uff1a\u76f4\u63a5\u901a\u8fc7\u6587\u4ef6\u6302\u8f7d<\/mark><\/strong>\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vim \/etc\/fstac\n\/data\/swapfile   swap swap defaults 0 0<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"708\" height=\"139\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/08\/4-8.png\" alt=\"\" class=\"wp-image-14598\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/08\/4-8.png 708w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/08\/4-8-300x59.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2023\/08\/4-8-600x118.png 600w\" sizes=\"auto, (max-width: 708px) 100vw, 708px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u5173\u95edswap 1\u3001\u6267\u884c\u547d\u4ee4 2\u3001\u5c06\/etc\/fstab\u4e2d\u7684swap\u52a0\u8f7d\u5220\u9664\uff0c\u91cd\u542f\u670d\u52a1\u5668\u5373\u53ef \u6dfb\u52a0swap 1\u3001 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1931,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[94,22],"tags":[48,103],"class_list":["post-1930","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-problem-2","category-server","tag-linux","tag-swap"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/1930","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1930"}],"version-history":[{"count":14,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/1930\/revisions"}],"predecessor-version":[{"id":14599,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/1930\/revisions\/14599"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media\/1931"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}