{"id":1555,"date":"2020-03-26T20:37:13","date_gmt":"2020-03-26T12:37:13","guid":{"rendered":"http:\/\/www.menshours.com\/?p=1555"},"modified":"2020-04-09T14:37:54","modified_gmt":"2020-04-09T06:37:54","slug":"linux-swap%e8%99%9a%e6%8b%9f%e5%86%85%e5%ad%98%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/www.menshours.com\/index.php\/2020\/03\/26\/linux-swap%e8%99%9a%e6%8b%9f%e5%86%85%e5%ad%98%e9%85%8d%e7%bd%ae\/","title":{"rendered":"LINUX SWAP\u865a\u62df\u5185\u5b58\u914d\u7f6e"},"content":{"rendered":"\n

swap<\/code>\u662fLinux\u4e2d\u7684\u865a\u62df\u5185\u5b58\uff0c\u7528\u4e8e\u6269\u5145\u7269\u7406\u5185\u5b58\u4e0d\u8db3\u800c\u7528\u6765\u5b58\u50a8\u4e34\u65f6\u6570\u636e\u5b58\u5728\u7684\u3002\u5b83\u7c7b\u4f3c\u4e8eWindows\u4e2d\u7684\u865a\u62df\u5185\u5b58\u3002\u5728Windows\u4e2d\uff0c\u53ea\u53ef\u4ee5\u4f7f\u7528\u6587\u4ef6\u6765\u5f53\u4f5c\u865a\u62df\u5185\u5b58\u3002\u800clinux\u53ef\u4ee5\u6587\u4ef6\u6216\u8005\u5206\u533a\u6765\u5f53\u4f5c\u865a\u62df\u5185\u5b58\u3002<\/p>\n\n\n\n

\u2003\u2003\u9996\u5148\u67e5\u770b\u5f53\u524d\u7684\u5185\u5b58\u548cswap \u7a7a\u95f4<\/code>\u5927\u5c0f(\u9ed8\u8ba4\u5355\u4f4d\u4e3ak, -m \u5355\u4f4d\u4e3aM)\uff1a<\/p>\n\n\n\n

free -m<\/code><\/pre>\n\n\n\n
\"\u67e5\u770bswap\u7a7a\u95f4\"\/<\/figure>\n\n\n\n
\u2003\u2003\u6b64\u5904\u53ef\u4ee5\u770b\u5230\u603b\u5185\u5b58\u662f503M,swap\u4e0d\u5b58\u5728\u3002<\/p>\n\n\n\n
\u2003\u2003\u67e5\u770bswap\u4fe1\u606f\uff0c\u5305\u62ec\u6587\u4ef6\u548c\u5206\u533a\u7684\u8be6\u7ec6\u4fe1\u606f<\/p>\n\n\n\n
swapon -s<\/code><\/pre>\n\n\n\n
\u2003\u2003\u6216\u8005<\/p>\n\n\n\n
cat \/proc\/swaps<\/code><\/pre>\n\n\n\n
\u2003\u2003\u5982\u679c\u90fd\u6ca1\u6709\uff0c\u6211\u4eec\u5c31\u9700\u8981\u624b\u52a8\u6dfb\u52a0\u4ea4\u6362\u5206\u533a\u3002\u6ce8\u610f\uff0cOPENVZ\u67b6\u6784\u7684VPS\u662f\u4e0d\u652f\u6301\u624b\u52a8\u6dfb\u52a0\u4ea4\u6362\u5206\u533a\u7684\u3002<\/p>\n\n\n\n
\u2003\u2003\u6dfb\u52a0\u4ea4\u6362\u7a7a\u95f4\u6709\u4e24\u79cd\u9009\u62e9\uff1a\u6dfb\u52a0\u4e00\u4e2a\u4ea4\u6362\u5206\u533a\u6216\u6dfb\u52a0\u4e00\u4e2a\u4ea4\u6362\u6587\u4ef6\u3002\u63a8\u8350\u4f60\u6dfb\u52a0\u4e00\u4e2a\u4ea4\u6362\u5206\u533a\uff1b\u4e0d\u8fc7\uff0c\u82e5\u4f60\u6ca1\u6709\u591a\u5c11\u7a7a\u95f2\u7a7a\u95f4\u53ef\u7528\uff0c \u5219\u6dfb\u52a0\u4ea4\u6362\u6587\u4ef6\u3002<\/p>\n\n\n\n
\u4e00\u3001\u589e\u52a0swap\u4ea4\u6362\u6587\u4ef6<\/h3>\n\n\n\n
\u2003\u20031\u3001\u4f7f\u7528dd\u547d\u4ee4\u521b\u5efa\u4e00\u4e2aswap\u4ea4\u6362\u6587\u4ef6<\/strong><\/p>\n\n\n\n
dd if=\/dev\/zero of=\/home\/swap bs=1024 count=1024000<\/code><\/pre>\n\n\n\n
\u2003\u2003\u8fd9\u6837\u5c31\u5efa\u7acb\u4e00\u4e2a\/home\/swap<\/code>\u7684\u5206\u533a\u6587\u4ef6\uff0c\u5927\u5c0f\u4e3a1G\u3002<\/p>\n\n\n\n
\u2003\u20032\u3001\u5236\u4f5c\u4e3aswap\u683c\u5f0f\u6587\u4ef6<\/strong><\/p>\n\n\n\n
mkswap \/home\/swap<\/code><\/pre>\n\n\n\n
\u2003\u20033\u3001\u518d\u7528swapon\u547d\u4ee4\u628a\u8fd9\u4e2a\u6587\u4ef6\u5206\u533a\u6302\u8f7dswap\u5206\u533a<\/strong><\/p>\n\n\n\n
\/sbin\/swapon \/home\/swap<\/code><\/pre>\n\n\n\n
\u2003\u2003\u6211\u4eec\u7528free -m<\/code>\u547d\u4ee4\u770b\u4e00\u4e0b\uff0c\u53d1\u73b0\u5df2\u7ecf\u6709\u4ea4\u6362\u5206\u533a\u4e86\u3002<\/p>\n\n\n\n
\"\u67e5\u770bswap\u7a7a\u95f4\"\/<\/figure>\n\n\n\n
\u2003\u2003\u4f46\u662f\u91cd\u542f\u7cfb\u7edf\u540e\uff0cswap\u5206\u533a\u53c8\u53d8\u62100\u4e86\u3002<\/p>\n\n\n\n
\u2003\u20034\u3001\u4e3a\u9632\u6b62\u91cd\u542f\u540eswap\u5206\u533a\u53d8\u62100\uff0c\u8981\u4fee\u6539\/etc\/fstab<\/code>\u6587\u4ef6<\/strong><\/p>\n\n\n\n
vim \/etc\/fstab<\/code><\/pre>\n\n\n\n
\u2003\u2003\u5728\u6587\u4ef6\u672b\u5c3e\uff08\u6700\u540e\u4e00\u884c\uff09\u52a0\u4e0a<\/p>\n\n\n\n
\/home\/swap swap swap default 0 0<\/code><\/pre>\n\n\n\n
\u2003\u2003\u8fd9\u6837\u5c31\u7b97\u91cd\u542f\u7cfb\u7edf\uff0cswap\u5206\u533a\u8fd8\u662f\u6709\u503c\u3002<\/p>\n\n\n\n
\u5220\u9664swap\u4ea4\u6362\u6587\u4ef6<\/h4>\n\n\n\n
\u2003\u20031\u3001\u5148\u505c\u6b62swap\u5206\u533a<\/strong><\/p>\n\n\n\n
\/sbin\/swapoff \/home\/swap<\/code><\/pre>\n\n\n\n
\u2003\u20032\u3001\u5220\u9664swap\u5206\u533a\u6587\u4ef6<\/strong><\/p>\n\n\n\n
rm -rf \/home\/swap<\/code><\/pre>\n\n\n\n
\u2003\u20033\u3001\u5220\u9664\u81ea\u52a8\u6302\u8f7d\u914d\u7f6e\u547d\u4ee4<\/strong><\/p>\n\n\n\n
vim \/etc\/fstab<\/code><\/pre>\n\n\n\n
\u2003\u2003\u8fd9\u884c\u5220\u9664<\/p>\n\n\n\n
\/home\/swap swap swap default 0 0<\/code><\/pre>\n\n\n\n
\u2003\u2003\u8fd9\u6837\u5c31\u80fd\u628a\u624b\u52a8\u589e\u52a0\u7684\u4ea4\u6362\u6587\u4ef6\u5220\u9664\u4e86\u3002<\/strong><\/p>\n\n\n\n
\u6ce8\u610f\uff1a
\u2003\u20031\u3001\u589e\u52a0\u5220\u9664swap<\/code>\u7684\u64cd\u4f5c\u53ea\u80fd\u4f7f\u7528root\u7528\u6237\u6765\u64cd\u4f5c\u3002
\u2003\u20032\u3001\u88c5\u7cfb\u7edf\u65f6\u5206\u914d\u7684swap\u5206\u533a\u8c8c\u4f3c\u5220\u9664\u4e0d\u4e86\u3002
\u2003\u20033\u3001swap\u5206\u533a\u4e00\u822c\u4e3a\u5185\u5b58\u76841.5-2\u500d<\/p><\/blockquote>\n\n\n\n
\u4e8c\u3001\u4f7f\u7528\u5206\u533a\u6765\u505aSWAP(\u865a\u62df\u5185\u5b58).<\/h3>\n\n\n\n
\u2003\u20031\u3001\u4f7f\u7528fdisk\u6765\u521b\u5efa\u4ea4\u6362\u5206\u533a\uff08\u5047\u8bbe \/dev\/sdb2 \u662f\u521b\u5efa\u7684\u4ea4\u6362\u5206\u533a\uff09<\/strong><\/p>\n\n\n\n
\u2003\u20032\u3001\u4f7f\u7528 mkswap \u547d\u4ee4\u6765\u8bbe\u7f6e\u4ea4\u6362\u5206\u533a\uff1a<\/strong><\/p>\n\n\n\n
mkswap \/dev\/sdb2<\/code><\/pre>\n\n\n\n
\u2003\u20033\u3001\u542f\u7528\u4ea4\u6362\u5206\u533a<\/strong><\/p>\n\n\n\n
swapon \/dev\/sdb2<\/code><\/pre>\n\n\n\n
\u2003\u20034\u3001\u5199\u5165\/etc\/fstab,\u4ee5\u4fbf\u5728\u5f15\u5bfc\u65f6\u542f\u7528<\/strong><\/p>\n\n\n\n
\/dev\/sdb2 swap swap defaults 0 0<\/code><\/pre>\n\n\n\n
\u5220\u9664\u4ea4\u6362\u5206\u533a<\/h4>\n\n\n\n
\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p><\/blockquote>\n\n\n\n
\u2003\u20031\u3001\u5148\u505c\u6b62swap\u5206\u533a<\/strong><\/p>\n\n\n\n
\/sbin\/swapoff \/dev\/sdb2<\/code><\/pre>\n\n\n\n
\u2003\u20032\u3001\u5220\u9664\u81ea\u52a8\u6302\u8f7d\u914d\u7f6e\u547d\u4ee4<\/strong><\/p>\n\n\n\n
vim \/etc\/fstab<\/code><\/pre>\n\n\n\n
\u2003\u2003\u8fd9\u884c\u5220\u9664<\/p>\n\n\n\n
\/dev\/sdb2 swap swap defaults 0 0<\/code><\/pre>\n\n\n\n
\u2003\u2003\u8fd9\u6837\u5c31\u80fd\u628a\u624b\u52a8\u589e\u52a0\u7684\u4ea4\u6362\u5206\u533a\u5220\u9664\u4e86\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"
swap\u662fLinux\u4e2d\u7684\u865a\u62df\u5185\u5b58\uff0c\u7528\u4e8e\u6269\u5145\u7269\u7406\u5185\u5b58\u4e0d\u8db3\u800c\u7528\u6765\u5b58\u50a8\u4e34\u65f6\u6570\u636e\u5b58\u5728\u7684\u3002\u5b83\u7c7b\u4f3c\u4e8eWindows\u4e2d\u7684\u865a\u62df […]<\/p>\n","protected":false},"author":1,"featured_media":1556,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[153],"tags":[],"class_list":["post-1555","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-153"],"_links":{"self":[{"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/posts\/1555","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/comments?post=1555"}],"version-history":[{"count":1,"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/posts\/1555\/revisions"}],"predecessor-version":[{"id":1557,"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/posts\/1555\/revisions\/1557"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/media\/1556"}],"wp:attachment":[{"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/media?parent=1555"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/categories?post=1555"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.menshours.com\/index.php\/wp-json\/wp\/v2\/tags?post=1555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}