{"id":953,"date":"2024-09-10T09:03:22","date_gmt":"2024-09-10T01:03:22","guid":{"rendered":"https:\/\/bk.nnn.ink:368\/?p=953"},"modified":"2024-09-10T09:03:22","modified_gmt":"2024-09-10T01:03:22","slug":"debian-ubuntu-%e6%89%8b%e5%b7%a5%e6%b7%bb%e5%8a%a0-swap-%e5%88%86%e5%8c%ba","status":"publish","type":"post","link":"https:\/\/www.biyuntang.com\/?p=953","title":{"rendered":"Debian \/ Ubuntu \u624b\u5de5\u6dfb\u52a0 Swap \u5206\u533a"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u672c\u6587\u5c06\u6307\u5bfc\u5982\u4f55\u5728 Debian 11 \u548c Ubuntu 22.04 \u4e0b\u624b\u5de5\u6dfb\u52a0 Swap \u5206\u533a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u51c6\u5907\u5de5\u4f5c-t3\"><a href=\"https:\/\/u.sb\/debian-swap\/#%E5%87%86%E5%A4%87%E5%B7%A5%E4%BD%9C-t3\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a>\u51c6\u5907\u5de5\u4f5c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u68c0\u67e5\u4f60\u7684\u7cfb\u7edf\u662f\u5426\u5df2\u7ecf\u6709 Swap \u5206\u533a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>swapon -s\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>free -m\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6ca1\u6709\u8fd4\u56de\u7ed3\u679c\u6216\u8005&nbsp;<code>free -m<\/code>&nbsp;\u4e2d&nbsp;<code>Swap<\/code>&nbsp;\u4e00\u5217\u6570\u503c\u662f&nbsp;<code>0<\/code>\uff0c\u5219\u8868\u793a\u4f60\u7684\u7cfb\u7edf\u6ca1\u6709 Swap \u5206\u533a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u521b\u5efa-swap-\u5206\u533a\"><a href=\"https:\/\/u.sb\/debian-swap\/#%E5%88%9B%E5%BB%BA-swap-%E5%88%86%E5%8C%BA\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a>\u521b\u5efa SWAP \u5206\u533a<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528&nbsp;<code>fallocate<\/code>&nbsp;\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a 1GB \u5927\u5c0f\u7684 Swap \u5206\u533a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>fallocate -l 1G \/swapfile\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8fd9\u4e2a\u547d\u4ee4\u65e0\u6cd5\u4f7f\u7528\uff0c\u8bf7\u5b89\u88c5&nbsp;<code>util-linux<\/code>&nbsp;\u5305\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>apt install util-linux\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u8bbe\u7f6e\u8fd9\u4e2a\u6587\u4ef6\u7684\u6743\u9650\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>chmod 600 \/swapfile\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u6fc0\u6d3b SWAP \u5206\u533a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mkswap \/swapfile\nswapon \/swapfile\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528&nbsp;<code>swapon -s<\/code>&nbsp;\u6216&nbsp;<code>free -m<\/code>&nbsp;\u547d\u4ee4\u67e5\u770b Swap \u5206\u533a\u662f\u5426\u5df2\u7ecf\u6fc0\u6d3b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f\"><a href=\"https:\/\/u.sb\/debian-swap\/#%E8%AE%BE%E7%BD%AE%E5%BC%80%E6%9C%BA%E8%87%AA%E5%90%AF\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a>\u8bbe\u7f6e\u5f00\u673a\u81ea\u542f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u9700\u8981\u7f16\u8f91&nbsp;<code>\/etc\/fstab<\/code>&nbsp;\u8fd9\u4e2a\u6587\u4ef6\uff0c\u52a0\u5165\u4e0b\u9762\u7684\u5185\u5bb9\u5373\u53ef\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo \"\/swapfile swap swap defaults 0 0\" &gt;&gt; \/etc\/fstab\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u529f\u544a\u6210\uff0c\u4f7f\u7528&nbsp;<code>free -m<\/code>&nbsp;\u547d\u4ee4\u67e5\u770b Swap \u5206\u533a\u662f\u5426\u6b63\u786e\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.m.ac\/img\/2022\/12\/1097a4.png\" alt=\"Debian \/ Ubuntu \u624b\u5de5\u6dfb\u52a0 Swap \u5206\u533a\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u8c03\u6574\u7cfb\u7edf\u5185\u6838-swappiness-\u503c\"><a href=\"https:\/\/u.sb\/debian-swap\/#%E8%B0%83%E6%95%B4%E7%B3%BB%E7%BB%9F%E5%86%85%E6%A0%B8-swappiness-%E5%80%BC\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a>\u8c03\u6574\u7cfb\u7edf\u5185\u6838 Swappiness \u503c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Swapiness \u662f Linux \u5185\u6838\u7684\u4e00\u4e2a\u5c5e\u6027\uff0c\u5b9a\u4e49\u4e86\u7cfb\u7edf\u4f7f\u7528\u4ea4\u6362\u7a7a\u95f4\u7684\u9891\u7387\uff0cSwapiness \u7684\u503c\u5728 0 \u5230 100 \u4e4b\u95f4 (\u9ed8\u8ba4\u662f 60)\uff0c\u4e00\u4e2a\u4f4e\u7684\u503c\u4f1a\u4f7f\u5185\u6838\u5c3d\u53ef\u80fd\u5730\u907f\u514d\u4ea4\u6362\uff0c\u800c\u4e00\u4e2a\u9ad8\u7684\u503c\u4f1a\u4f7f\u5185\u6838\u66f4\u79ef\u6781\u5730\u4f7f\u7528\u4ea4\u6362\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u503c\u9ed8\u8ba4\u662f&nbsp;<code>60<\/code>\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528&nbsp;<code>cat \/proc\/sys\/vm\/swappiness<\/code>&nbsp;\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u6211\u4eec\u53ef\u4ee5\u7ed9\u4ed6\u6539\u6210&nbsp;<code>10<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo \"vm.swappiness=10\" &gt;&gt; \/etc\/sysctl.conf\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u4f7f\u7528&nbsp;<code>sysctl -p<\/code>&nbsp;\u547d\u4ee4\u4f7f\u5176\u751f\u6548\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5173\u95ed-swap\"><a href=\"https:\/\/u.sb\/debian-swap\/#%E5%85%B3%E9%97%AD-swap\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a>\u5173\u95ed Swap<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u5173\u95ed Swap \u5206\u533a\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u505c\u7528 Swap \u5206\u533a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>swapoff -v \/swapfile\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u68c0\u67e5&nbsp;<code>\/etc\/fstab<\/code>\uff0c\u5220\u9664&nbsp;<code>\/swapfile swap swap defaults 0 0<\/code>&nbsp;\u8fd9\u4e00\u884c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\u5220\u9664&nbsp;<code>\/swapfile<\/code>&nbsp;\u8fd9\u4e2a\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>rm \/swapfile<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u5c06\u6307\u5bfc\u5982\u4f55\u5728 Debian 11 \u548c Ubuntu 22.04 \u4e0b\u624b\u5de5\u6dfb\u52a0 Swap \u5206\u533a\u3002 \u51c6\u5907\u5de5\u4f5c \u9996\u5148\uff0c\u68c0\u67e5\u4f60\u7684\u7cfb\u7edf\u662f\u5426\u5df2\u7ecf\u6709 Swap \u5206\u533a\uff1a \u6216 \u5982\u679c\u6ca1\u6709\u8fd4\u56de\u7ed3\u679c\u6216\u8005&nbsp;free&#46;&#46;&#46;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-953","post","type-post","status-publish","format-standard","hentry","category-vps"],"_links":{"self":[{"href":"https:\/\/www.biyuntang.com\/index.php?rest_route=\/wp\/v2\/posts\/953","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.biyuntang.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.biyuntang.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.biyuntang.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.biyuntang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=953"}],"version-history":[{"count":1,"href":"https:\/\/www.biyuntang.com\/index.php?rest_route=\/wp\/v2\/posts\/953\/revisions"}],"predecessor-version":[{"id":954,"href":"https:\/\/www.biyuntang.com\/index.php?rest_route=\/wp\/v2\/posts\/953\/revisions\/954"}],"wp:attachment":[{"href":"https:\/\/www.biyuntang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.biyuntang.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.biyuntang.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}