{"id":1048,"date":"2016-03-03T01:07:08","date_gmt":"2016-03-03T06:07:08","guid":{"rendered":"https:\/\/hostease.com\/blog\/?p=1048"},"modified":"2024-11-27T01:48:46","modified_gmt":"2024-11-27T06:48:46","slug":"add-space-for-swap-and-test-the-speed-of-io","status":"publish","type":"post","link":"https:\/\/www.hostease.com\/blog\/server\/add-space-for-swap-and-test-the-speed-of-io\/","title":{"rendered":"Add space for swap and test the speed of IO"},"content":{"rendered":"<p>\u4e00\uff1a\u4f7f\u7528\u6587\u4ef6\u6784\u5efaswap<br \/>\ndd\u00a0<wbr \/>if=\/dev\/zero\u00a0<wbr \/>of=\/home\/test\/swap\u00a0<wbr \/>bs=1M\u00a0<wbr \/>count=1024<br \/>\nmkswap\u00a0<wbr \/>\/home\/test\/swap<br \/>\nswapon\u00a0<wbr \/>\/home\/test\/swap\u00a0<wbr \/>\u00a0<wbr \/>\u6765\u6269\u5145swap\u00a0<wbr \/>.<br \/>\nswapoff\u00a0<wbr \/>\/home\/test\/swap\u00a0<wbr \/>\u6765\u5378\u8f7d\u6587\u4ef6<\/p>\n<p>\u4e8c\uff1a\u6d4b\u8bd5Linux\u78c1\u76d8\u8bfb\u5199\u901f\u5ea6<\/p>\n<p>\u6d4b\u8bd5\u78c1\u76d8\u7684IO\u5199\u901f\u5ea6time dd if=\/dev\/zero of=\/test.dbf bs=8k count=300000<br \/>\n\u6d4b\u8bd5\u78c1\u76d8\u7684IO\u8bfb\u901f\u5ea6time dd if=\/home\/test of=\/dev\/null bs=8k<br \/>\n\u78c1\u76d8\u8bfb\u5199\u901f\u5ea6hdparm -Tt \/dev\/sda<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\uff1a\u4f7f\u7528\u6587\u4ef6\u6784\u5efaswap dd\u00a0if=\/dev\/zero\u00a0of=\/home\/test\/swap\u00a0bs=1M\u00a0count=1024 mkswap\u00a0\/home\/test\/swap swapon\u00a0\/home\/test\/swap\u00a0\u00a0\u6765\u6269\u5145swap\u00a0. swapoff\u00a0\/home\/test\/swap\u00a0\u6765\u5378\u8f7d\u6587\u4ef6 \u4e8c\uff1a\u6d4b\u8bd5Linux\u78c1\u76d8\u8bfb\u5199\u901f\u5ea6 \u6d4b\u8bd5\u78c1\u76d8\u7684IO\u5199\u901f\u5ea6time dd if=\/dev\/zero of=\/test.dbf bs=8k count=300000 \u6d4b\u8bd5\u78c1\u76d8\u7684IO\u8bfb\u901f\u5ea6time dd if=\/home\/test of=\/dev\/null bs=8k \u78c1\u76d8\u8bfb\u5199\u901f\u5ea6hdparm -Tt \/dev\/sda<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[492,491,493],"class_list":["post-1048","post","type-post","status-publish","format-standard","hentry","category-server","tag-disk-speed","tag-linux-performance","tag-server-optimization"],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/1048","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hostease.com\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=1048"}],"version-history":[{"count":1,"href":"https:\/\/www.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/1048\/revisions"}],"predecessor-version":[{"id":2115,"href":"https:\/\/www.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/1048\/revisions\/2115"}],"wp:attachment":[{"href":"https:\/\/www.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=1048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=1048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=1048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}