{"id":405,"date":"2025-05-06T11:54:03","date_gmt":"2025-05-06T03:54:03","guid":{"rendered":"https:\/\/6589jk.cn\/?p=405"},"modified":"2025-05-06T11:59:25","modified_gmt":"2025-05-06T03:59:25","slug":"%e9%98%bf%e9%87%8c%e4%ba%91%e6%9c%8d%e5%8a%a1%e5%99%a8swap%e5%86%85%e5%ad%98","status":"publish","type":"post","link":"https:\/\/6589jk.cn\/index.php\/2025\/05\/06\/%e9%98%bf%e9%87%8c%e4%ba%91%e6%9c%8d%e5%8a%a1%e5%99%a8swap%e5%86%85%e5%ad%98\/","title":{"rendered":"\ud83d\ude80 \u963f\u91cc\u4e91\u670d\u52a1\u5668\u5185\u5b58\u7206\u6ee1\u4f46 Swap\u5360\u7528\u4e3a0\uff1f\u4e00\u62db\u89e3\u51b3\uff01"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u6700\u8fd1\u5c06\u670d\u52a1\u5668\u8fc1\u79fb\u5230\u4e86\u65b0\u7684\u963f\u91cc\u4e91 ECS \u5b9e\u4f8b\uff0c\u867d\u7136\u914d\u7f6e\u548c\u4e4b\u524d\u5b8c\u5168\u4e00\u6837\uff0c\u4f46\u4e0a\u7ebf\u540e\u5374\u53d1\u73b0<strong>\u5185\u5b58\u5f02\u5e38\u7d27\u5f20<\/strong>\uff0c\u7cfb\u7edf\u975e\u5e38\u5bb9\u6613\u5361\u6b7b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udca5 \u95ee\u9898\u8868\u73b0<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5185\u5b58\u5f88\u5feb\u5403\u6ee1\uff0c\u54ea\u6015\u53ea\u542f\u52a8\u51e0\u4e2a\u57fa\u672c\u670d\u52a1\uff1b<\/li>\n\n\n\n<li>\u6dfb\u52a0\u4e86 2.5GB \u7684 Swap \u5206\u533a\uff0c\u5374\u53d1\u73b0\u7cfb\u7edf\u6839\u672c\u4e0d\u4f7f\u7528 Swap\uff1b<\/li>\n\n\n\n<li>\u7cfb\u7edf\u5728\u5185\u5b58\u7206\u6ee1\u65f6\u4ecd\u7136\u4e0d\u4e3b\u52a8\u4f7f\u7528 Swap \u7f13\u89e3\u538b\u529b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\uddea \u6392\u67e5\u8fc7\u7a0b<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u68c0\u67e5\u662f\u5426\u542f\u7528\u4e86 Swap\uff1a<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo swapon --show\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">NAME TYPE SIZE USED PRIO<br>\/www\/disk\/swapfile file 2.5G 0M -2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u786e\u8ba4\u5df2\u7ecf\u542f\u7528\u4e86 Swap\uff0c\u5e76\u4e14\u5927\u5c0f\u4e3a 4GB\uff0c\u4f46<strong>\u4f7f\u7528\u7387\u59cb\u7ec8\u4e3a 0%<\/strong>\u3002<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u67e5\u770b\u7cfb\u7edf\u7684 Swap \u4f7f\u7528\u503e\u5411\uff08swappiness\uff09\uff1a<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>cat \/proc\/sys\/vm\/swappiness\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u963f\u91cc\u4e91\u7684\u9ed8\u8ba4\u503c\u53ef\u80fd\u662f <strong>10<\/strong> \u6216\u66f4\u4f4e\uff0c\u5bfc\u81f4\u7cfb\u7edf<strong>\u6781\u5ea6\u4e0d\u613f\u610f\u4f7f\u7528 Swap<\/strong>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\uddef \u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u63d0\u9ad8\u7cfb\u7edf\u4f7f\u7528 Swap \u7684\u79ef\u6781\u6027\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo sysctl vm.swappiness=80\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u8bbe\u7f6e\u4f1a\u7acb\u5373\u751f\u6548\uff0c\u5c06 <code>swappiness<\/code> \u8c03\u6574\u4e3a 80\uff0c\u610f\u5473\u7740\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7cfb\u7edf\u5728\u5185\u5b58\u63a5\u8fd1\u5403\u6ee1\u524d\uff0c\u5c31\u4f1a\u5f00\u59cb\u5c06\u4e00\u90e8\u5206\u5185\u5bb9\u6362\u5165 Swap\uff1b<\/li>\n\n\n\n<li>\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u7269\u7406\u5185\u5b58\u538b\u529b\uff0c\u51cf\u5c11\u5361\u6b7b\u3001OOM\uff08Out of Memory\uff09\u7b49\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 \u8bbe\u7f6e\u540e\uff0cSwap \u5f00\u59cb\u6b63\u5e38\u4f7f\u7528\uff0c\u7cfb\u7edf\u8fd0\u884c\u7a33\u5b9a\u987a\u7545\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udccc \u4ec0\u4e48\u662f <code>vm.swappiness<\/code>\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>vm.swappiness<\/code> \u662f\u4e00\u4e2a Linux \u5185\u6838\u53c2\u6570\uff0c\u63a7\u5236\u7cfb\u7edf\u4f7f\u7528 Swap \u7684\u503e\u5411\u3002\u5176\u53d6\u503c\u8303\u56f4\u662f 0 \u5230 100\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>0<\/code>\uff1a\u5c3d\u91cf\u907f\u514d\u4f7f\u7528 Swap\uff08\u53ea\u5728\u6781\u7aef\u60c5\u51b5\u4e0b\u624d\u7528\uff09\uff1b<\/li>\n\n\n\n<li><code>100<\/code>\uff1a\u79ef\u6781\u4f7f\u7528 Swap\uff0c\u5c3d\u5feb\u628a\u4e0d\u6d3b\u8dc3\u5185\u5b58\u6362\u51fa\uff1b<\/li>\n\n\n\n<li><code>\u9ed8\u8ba4\u503c<\/code>\uff1a\u5927\u591a\u6570\u53d1\u884c\u7248\u4e2d\u4e3a <code>60<\/code>\uff0c\u4f46\u67d0\u4e9b\u4e91\u670d\u52a1\u5546\uff08\u5982\u963f\u91cc\u4e91\uff09\u53ef\u80fd\u8bbe\u4e3a\u66f4\u4f4e\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd04 \u6301\u4e45\u5316\u914d\u7f6e\uff08\u53ef\u9009\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8ff0\u547d\u4ee4\u53ea\u5728\u5f53\u524d\u8fd0\u884c\u65f6\u6709\u6548\uff0c\u91cd\u542f\u540e\u4f1a\u6062\u590d\u3002\u82e5\u8981\u6c38\u4e45\u751f\u6548\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo nano \/etc\/sysctl.conf\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6dfb\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>vm.swappiness=80\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fdd\u5b58\u540e\u8fd0\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo sysctl -p\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u53ef\u8ba9\u8bbe\u7f6e\u5728\u91cd\u542f\u540e\u4ecd\u7136\u751f\u6548\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705 \u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u5728\u963f\u91cc\u4e91\u4e0a\u4f7f\u7528\u4e86 Swap\uff0c\u4f46\u7cfb\u7edf\u4ecd\u7136\u5728\u5185\u5b58\u7206\u6ee1\u65f6\u5361\u6b7b\uff0c\u8bf7\u52a1\u5fc5\u68c0\u67e5\u5e76\u8c03\u6574 <code>vm.swappiness<\/code>\uff0c\u63d0\u5347\u7cfb\u7edf\u7a33\u5b9a\u6027\u662f\u5982\u6b64\u7b80\u5355\uff01<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u5c06\u670d\u52a1\u5668\u8fc1\u79fb\u5230\u4e86\u65b0\u7684\u963f\u91cc\u4e91 ECS \u5b9e\u4f8b\uff0c\u867d\u7136\u914d\u7f6e\u548c\u4e4b\u524d\u5b8c\u5168\u4e00\u6837\uff0c\u4f46\u4e0a\u7ebf\u540e\u5374\u53d1\u73b0\u5185\u5b58\u5f02\u5e38\u7d27\u5f20\uff0c\u7cfb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[1],"tags":[6,21,22],"class_list":["post-405","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-linux","tag-swap","tag-22"],"_links":{"self":[{"href":"https:\/\/6589jk.cn\/index.php\/wp-json\/wp\/v2\/posts\/405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/6589jk.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/6589jk.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/6589jk.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/6589jk.cn\/index.php\/wp-json\/wp\/v2\/comments?post=405"}],"version-history":[{"count":4,"href":"https:\/\/6589jk.cn\/index.php\/wp-json\/wp\/v2\/posts\/405\/revisions"}],"predecessor-version":[{"id":410,"href":"https:\/\/6589jk.cn\/index.php\/wp-json\/wp\/v2\/posts\/405\/revisions\/410"}],"wp:attachment":[{"href":"https:\/\/6589jk.cn\/index.php\/wp-json\/wp\/v2\/media?parent=405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/6589jk.cn\/index.php\/wp-json\/wp\/v2\/categories?post=405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/6589jk.cn\/index.php\/wp-json\/wp\/v2\/tags?post=405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}