{"id":100,"date":"2021-03-26T12:47:12","date_gmt":"2021-03-26T04:47:12","guid":{"rendered":"https:\/\/www.johntitorblog.com\/?p=100"},"modified":"2021-03-26T12:47:12","modified_gmt":"2021-03-26T04:47:12","slug":"centos6%e4%b8%ad%e6%b7%bb%e5%8a%a0-%e6%9b%b4%e6%94%b9swap","status":"publish","type":"post","link":"https:\/\/www.johntitorblog.com\/?p=100","title":{"rendered":"CentOS6\u4e2d\u6dfb\u52a0\/\u66f4\u6539Swap"},"content":{"rendered":"\n

1\u3001\u68c0\u67e5 Swap \u7a7a\u95f4<\/strong>
\u5728\u8bbe\u7f6e Swap \u6587\u4ef6\u4e4b\u524d\uff0c\u6709\u5fc5\u8981\u5148\u68c0\u67e5\u4e00\u4e0b\u7cfb\u7edf\u91cc\u6709\u6ca1\u6709\u65e2\u5b58\u7684 Swap \u6587\u4ef6\u3002
\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n

swapon -s<\/code><\/p>\n\n\n\n

\u5982\u679c\u8fd4\u56de\u7684\u4fe1\u606f\u6982\u8981\u662f\u7a7a\u7684\uff0c\u5219\u8868\u793a Swap \u6587\u4ef6\u4e0d\u5b58\u5728\u3002<\/p>\n\n\n\n

2\u3001\u68c0\u67e5\u6587\u4ef6\u7cfb\u7edf<\/strong>
\u5728\u8bbe\u7f6e Swap \u6587\u4ef6\u4e4b\u524d\uff0c\u540c\u6837\u6709\u5fc5\u8981\u68c0\u67e5\u4e00\u4e0b\u6587\u4ef6\u7cfb\u7edf\uff0c\u770b\u770b\u662f\u5426\u6709\u8db3\u591f\u7684\u786c\u76d8\u7a7a\u95f4\u6765\u8bbe\u7f6e Swap \u3002\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n

df -hal<\/code><\/p>\n\n\n\n

\u68c0\u67e5\u8fd4\u56de\u7684\u4fe1\u606f\uff0c\u8fd8\u5269\u4f59\u8db3\u591f\u7684\u786c\u76d8\u7a7a\u95f4\u5373\u53ef\u3002<\/p>\n\n\n\n

3\u3001\u521b\u5efa\u5e76\u5141\u8bb8 Swap \u6587\u4ef6<\/strong>
\u4e0b\u9762\u4f7f\u7528 dd \u547d\u4ee4\u6765\u521b\u5efa Swap \u6587\u4ef6\u3002<\/p>\n\n\n\n

dd if=\/dev\/zero of=\/swapfile bs=1024 count=512k<\/code><\/p>\n\n\n\n

\u53c2\u6570\u89e3\u8bfb\uff1a
if=\u6587\u4ef6\u540d\uff1a\u8f93\u5165\u6587\u4ef6\u540d\uff0c\u7f3a\u7701\u4e3a\u6807\u51c6\u8f93\u5165\u3002\u5373\u6307\u5b9a\u6e90\u6587\u4ef6\u3002< if=input file >
of=\u6587\u4ef6\u540d\uff1a\u8f93\u51fa\u6587\u4ef6\u540d\uff0c\u7f3a\u7701\u4e3a\u6807\u51c6\u8f93\u51fa\u3002\u5373\u6307\u5b9a\u76ee\u7684\u6587\u4ef6\u3002< of=output file >
bs=bytes\uff1a\u540c\u65f6\u8bbe\u7f6e\u8bfb\u5165\/\u8f93\u51fa\u7684\u5757\u5927\u5c0f\u4e3abytes\u4e2a\u5b57\u8282
count=blocks\uff1a\u4ec5\u62f7\u8d1dblocks\u4e2a\u5757\uff0c\u5757\u5927\u5c0f\u7b49\u4e8ebs\u6307\u5b9a\u7684\u5b57\u8282\u6570\u3002<\/p>\n\n\n\n

4\u3001\u683c\u5f0f\u5316\u5e76\u6fc0\u6d3b Swap \u6587\u4ef6<\/strong>
\u4e0a\u9762\u5df2\u7ecf\u521b\u5efa\u597d Swap \u6587\u4ef6\uff0c\u8fd8\u9700\u8981\u683c\u5f0f\u5316\u540e\u624d\u80fd\u4f7f\u7528\u3002\u8fd0\u884c\u547d\u4ee4\uff1a<\/p>\n\n\n\n

mkswap \/swapfile<\/code><\/p>\n\n\n\n

\u6fc0\u6d3b Swap \uff0c\u8fd0\u884c\u547d\u4ee4\uff1a<\/p>\n\n\n\n

swapon \/swapfile<\/code><\/p>\n\n\n\n

\u4ee5\u4e0a\u6b65\u9aa4\u505a\u5b8c\uff0c\u518d\u6b21\u8fd0\u884c\u547d\u4ee4\uff1a<\/p>\n\n\n\n

swapon -s<\/code><\/p>\n\n\n\n

\u4f60\u4f1a\u53d1\u73b0\u8fd4\u56de\u7684\u4fe1\u606f\u6982\u8981\uff1a<\/p>\n\n\n\n

Filename                Type        Size    Used    Priority
\/swapfile               file        524284    0     -1<\/p>\n\n\n\n

\u5982\u679c\u8981\u673a\u5668\u91cd\u542f\u7684\u65f6\u5019\u81ea\u52a8\u6302\u8f7d Swap \uff0c\u90a3\u4e48\u8fd8\u9700\u8981\u4fee\u6539 fstab \u914d\u7f6e\u3002
\u7528 vi \u7f16\u8f91 \/etc\/fstab \u6587\u4ef6\uff08echo \"\/swapfile swap swap defaults 0 0\" >> \/etc\/fstab<\/code>\uff09\uff0c\u5728\u5176\u6700\u540e\u6dfb\u52a0\u5982\u4e0b\u4e00\u884c\uff1a<\/p>\n\n\n\n

\/swapfile\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 swap\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 swap\u00a0\u00a0\u00a0 defaults\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0 0<\/code><\/p>\n\n\n\n

\u6700\u540e\uff0c\u8d4b\u4e88 Swap \u6587\u4ef6\u9002\u5f53\u7684\u6743\u9650\uff1a<\/p>\n\n\n\n

chown root:root \/swapfile
chmod 0600 \/swapfile<\/code><\/p>\n\n\n\n

\u8fd9\u6837\u4e00\u6765\uff0cSwap \u5206\u533a\u91cd\u542f\u540e\u90fd\u4f1a\u751f\u6548\u4e86\u3002<\/p>\n\n\n\n

\u539f\u6587\uff1ahttp:\/\/teddysun.com\/321.html<\/p>\n","protected":false},"excerpt":{"rendered":"

1\u3001\u68c0\u67e5 Swap \u7a7a\u95f4\u5728\u8bbe\u7f6e Swap \u6587\u4ef6\u4e4b\u524d\uff0c\u6709\u5fc5\u8981\u5148\u68c0\u67e5\u4e00\u4e0b\u7cfb\u7edf\u91cc\u6709\u6ca1\u6709\u65e2\u5b58\u7684 Swap \u6587\u4ef6\u3002\u8fd0\u884c\u4ee5 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-100","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.johntitorblog.com\/index.php?rest_route=\/wp\/v2\/posts\/100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.johntitorblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.johntitorblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.johntitorblog.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.johntitorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=100"}],"version-history":[{"count":0,"href":"https:\/\/www.johntitorblog.com\/index.php?rest_route=\/wp\/v2\/posts\/100\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.johntitorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.johntitorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.johntitorblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}