{"id":1291,"date":"2019-01-20T13:04:49","date_gmt":"2019-01-20T05:04:49","guid":{"rendered":"https:\/\/blestic.com\/blog\/?p=1291"},"modified":"2021-01-05T19:19:46","modified_gmt":"2021-01-05T11:19:46","slug":"linux-vps-%e8%ae%be%e7%bd%ae-swap%e5%88%86%e5%8c%ba","status":"publish","type":"post","link":"https:\/\/blestic.com\/blog\/archives\/1291","title":{"rendered":"LinuxVPS\u8bbe\u7f6eSwap\u5206\u533a"},"content":{"rendered":"\n

\u67e5\u770bSwap\u5206\u533a\u5927\u5c0f\uff0c\u4f7f\u7528\u547d\u4ee4\uff1afree -h \u6216 free -m<\/p>\n\n\n\n

\u5220\u9664\u6240\u6709Swap\u5206\u533a\uff1aswapoff -a <\/p>\n\n\n\n

\u589e\u52a0Swap\u5206\u533a\u6587\u4ef6<\/h5>\n\n\n\n

1 <\/strong>\u5047\u8bbe\u5728root \u4e0b\u65b0\u589e1G\u7684 swapfile\uff1a <\/p>\n\n\n\n

dd if=\/dev\/zero of=\/root\/swapfile bs=1M count=1024 <\/code><\/pre>\n\n\n\n
2 <\/strong>\u683c\u5f0f\u5316\u4ea4\u6362\u5206\u533a\u6587\u4ef6\uff1amkswap \/root\/swapfile<\/p>\n\n\n\n
3 <\/strong>\u542f\u7528Swap\u5206\u533a\u6587\u4ef6\uff1aswapon \/root\/swapfile<\/p>\n\n\n\n
4 <\/strong>\u6dfb\u52a0\u5f00\u673a\u542f\u52a8\u3002\u4fee\u6539 \/etc\/fstab \u8fd9\u4e2a\u6587\u4ef6\uff0c\u6dfb\u52a0\u6216\u8005\u4fee\u6539\u8fd9\u4e00\u884c\uff1a<\/p>\n\n\n\n
\/root\/swapfile swap swap defaults 0 0<\/code><\/pre>\n\n\n\n\n\n\n\n
\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528fallocate \u547d\u4ee4\u6765\u5206\u914d\u4ea4\u6362\u7a7a\u95f4\u3002\u5047\u8bbe\u5728 \/ \u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a swap_space \u5927\u5c0f\u4e3a1G\u7684\u5206\u533a\u6587\u4ef6\uff1a<\/p>\n\n\n\n
1 <\/strong>\u4f7f\u7528 fallocate \u521b\u5efa\u4ea4\u6362\u7a7a\u95f4\uff1afallocate -l 1G \/swap_space<\/p>\n\n\n\n
2 <\/strong>\u9a8c\u8bc1\u6587\u4ef6\u5927\u5c0f\uff1als -lh \/swap_space<\/p>\n\n\n\n
3 <\/strong>\u66f4\u6539\u6587\u4ef6\u6743\u9650\uff1achmod 600 \/swap_space<\/p>\n\n\n\n
4<\/strong> \u683c\u5f0f\u5316\u4ea4\u6362\u5206\u533a\uff1amkswap \/swap_space<\/p>\n\n\n\n
5<\/strong> \u542f\u7528\u4ea4\u6362\u7a7a\u95f4\uff1aswapon -s<\/p>\n\n\n\n
6<\/strong> \u7f16\u8f91 \/etc\/fstab \u5e76\u8f93\u5165\u4e0b\u9762\u884c\uff0c\u4fdd\u5b58\uff0c\u9000\u51fa\uff0c\u91cd\u542f\uff1a<\/p>\n\n\n\n
\/swap_space swap  swap  sw  0  0<\/code><\/pre>\n\n\n\n
\u5176\u5b9e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528BT\u9762\u677f<\/a> \u7684Lunix\u5de5\u5177\u7bb1\uff0c\u5f88\u65b9\u4fbf\u5730\u52a0\u5927Swap\u5206\u533a\u6587\u4ef6\u3002<\/p>\n\n\n\n
\u53c2\u8003\u81ea \u642c\u74e6\u5de5VPS<\/a> \u548c CSDN<\/a> <\/p>\n","protected":false},"excerpt":{"rendered":"
\u67e5\u770bSwap\u5206\u533a\u5927\u5c0f\uff0c\u4f7f\u7528\u547d\u4ee4\uff1afree -h \u6216 free -m \u5220\u9664\u6240\u6709Swap\u5206\u533a\uff1aswapoff -a \u589e\u52a0Swap\u5206\u533a\u6587\u4ef6 1 \u5047\u8bbe\u5728root \u4e0b\u65b0\u589e1G\u7684 swapfile\uff1a 2 \u683c\u5f0f\u5316\u4ea4\u6362\u5206\u533a\u6587\u4ef6\uff1amkswap \/root\/swapfile 3 \u542f\u7528Swap\u5206\u533a\u6587\u4ef6\uff1aswapon \/root\/swapfile 4 \u6dfb\u52a0\u5f00\u673a\u542f\u52a8\u3002\u4fee\u6539 \/etc\/fstab \u8fd9\u4e2a\u6587\u4ef6\uff0c\u6dfb\u52a0\u6216\u8005\u4fee\u6539\u8fd9\u4e00\u884c\uff1a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[9],"class_list":["post-1291","post","type-post","status-publish","format-standard","hentry","category-tech","tag-vps"],"_links":{"self":[{"href":"https:\/\/blestic.com\/blog\/wp-json\/wp\/v2\/posts\/1291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blestic.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blestic.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blestic.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blestic.com\/blog\/wp-json\/wp\/v2\/comments?post=1291"}],"version-history":[{"count":0,"href":"https:\/\/blestic.com\/blog\/wp-json\/wp\/v2\/posts\/1291\/revisions"}],"wp:attachment":[{"href":"https:\/\/blestic.com\/blog\/wp-json\/wp\/v2\/media?parent=1291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blestic.com\/blog\/wp-json\/wp\/v2\/categories?post=1291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blestic.com\/blog\/wp-json\/wp\/v2\/tags?post=1291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}