{"id":161202,"date":"2013-04-11T16:50:02","date_gmt":"2013-04-11T08:50:02","guid":{"rendered":"http:\/\/pangwenxin.com\/?p=161202"},"modified":"2013-04-11T16:55:28","modified_gmt":"2013-04-11T08:55:28","slug":"%e8%b0%83%e6%95%b4swap%e5%88%86%e5%8c%ba%e5%a4%a7%e5%b0%8f%e5%90%8e%ef%bc%8cswap%e4%b8%a2%e5%a4%b1%e4%b8%ba0%e7%9a%84%e8%a7%a3%e5%86%b3","status":"publish","type":"post","link":"https:\/\/pangwenxin.com\/?p=161202","title":{"rendered":"\u8c03\u6574SWAP\u5206\u533a\u5927\u5c0f\u540e\uff0cSWAP\u4e22\u5931\u4e3a0\u7684\u89e3\u51b3"},"content":{"rendered":"<p>\u4eca\u5929<a href=\"http:\/\/pangwenxin.com\/?p=161200\" target=\"_blank\">Linode\u5347\u7ea7\u4e86VPS\u7684\u914d\u7f6e<\/a>\uff0c\u5185\u5b58\u4ece512MB\u5347\u7ea7\u52301GB\u4e86\uff0c\u539f\u6765\u673a\u5668\u914d\u7f6e\u7684SWAP\u5206\u533a\u4e3a512MB\uff0c\u6253\u7b97\u8c03\u6574\u52301GB\uff0c\u8ddf\u5185\u5b58\u4e00\u6837\u5427\u3002<br \/>\n\u4e8e\u662f\u901a\u8fc7Dashborad\u8c03\u6574\u4e86swap\u6240\u5728\u7684\u5206\u533a\/dev\/xvdb\u7684\u5927\u5c0f\u52301024MB\uff0c\u4f46\u662f\u8fdb\u5165\u7cfb\u7edf\u540efree\u53d1\u73b0\uff1a<br \/>\n[@@@@@@]# free<br \/>\n             total       used       free     shared    buffers     cached<br \/>\nMem:       1024976     248992     775984          0      16820      73128<br \/>\n-\/+ buffers\/cache:     159044     865932<br \/>\nSwap:            0          0          0<\/p>\n<p>\u6574\u4e2aswap\u6ca1\u6709\u52a0\u8f7d\u4e0a\uff0c\u4e8e\u662f\u8003\u8651\u5230\u662f\u6269\u5c55\u5206\u533a\u5927\u5c0f\u9020\u6210\u7684\uff0c\u68c0\u67e5fstab\uff0c\u6ca1\u6709\u5f02\u5e38\u3002\u7528swapon\u52a0\u8f7d\u63d0\u793a\uff1a<br \/>\n[@@@@@@]# swapon -a<br \/>\nswapon: \/dev\/xvdb: read swap header failed: Invalid argument<\/p>\n<p>\u539f\u6765\u662f\u6269\u5c55\u540e\u7684swap\u5206\u533a\u6ca1\u6709\u683c\u5f0f\u5316\uff08\u521d\u59cb\u5316\uff09\u3002<br \/>\n[@@@@@@]# mkswap -f \/dev\/xvdb<br \/>\nSetting up swapspace version 1, size = 1048572 KiB<br \/>\nno label, UUID=xxxxxxxxx-xxx-xxx-xxxx-xxxxxxxxx<br \/>\n[@@@@@@]# swapon -a<\/p>\n<p>\u518dfree\u4e00\u4e0b\u770b\u770b\uff1a<br \/>\n[@@@@@@]# free<br \/>\n             total       used       free     shared    buffers     cached<br \/>\nMem:       1024976     249000     775976          0      16932      73108<br \/>\n-\/+ buffers\/cache:     158960     866016<br \/>\nSwap:      1048572          0    1048572<br \/>\n\u6b63\u5e38\u52a0\u8f7d\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u5929Linode\u5347\u7ea7\u4e86VPS\u7684\u914d\u7f6e\uff0c\u5185\u5b58\u4ece512MB\u5347\u7ea7\u52301GB\u4e86\uff0c\u539f\u6765\u673a\u5668\u914d\u7f6e\u7684SWAP\u5206\u533a\u4e3a512MB\uff0c\u6253 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[118,40,119,117],"_links":{"self":[{"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/posts\/161202"}],"collection":[{"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=161202"}],"version-history":[{"count":3,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/posts\/161202\/revisions"}],"predecessor-version":[{"id":161206,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/posts\/161202\/revisions\/161206"}],"wp:attachment":[{"href":"https:\/\/pangwenxin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=161202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=161202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=161202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}