{"id":138,"date":"2009-08-23T18:19:13","date_gmt":"2009-08-23T07:19:13","guid":{"rendered":"https:\/\/thedragon.kicks-ass.org\/blog\/?p=138"},"modified":"2009-08-24T12:19:06","modified_gmt":"2009-08-24T01:19:06","slug":"ext34-performance","status":"publish","type":"post","link":"https:\/\/thedragon.kicks-ass.org\/?p=138","title":{"rendered":"Ext3\/4 performance"},"content":{"rendered":"<p>I&#8217;ve converted my \/home partition to EXT4, and running my root partition as EXT3. While EXT4 looks good, for some reason i&#8217;m getting bad write performance on RAID1, compared to a normal JBOD disk, which i would expect to be the same. I found an <a href=\"http:\/\/mmartinsoftware.blogspot.com\/2008\/10\/ext3-ext4-jfs-xfs-weekend-encounters.html\">article about boosting performance<\/a> of Ext3\/4 and another with some  <a href=\"http:\/\/sidux.com\/PNphpBB2-viewtopic-t-5388.html\">perfomance tips<\/a>, include reserved space. I think I&#8217;ll update to using writeback and noatime on home, as <a href=\"http:\/\/ubuntuforums.org\/showthread.php?t=107856\">per this Forum<\/a>.<\/p>\n<p>Some interesting test results. I&#8217;m not sure if the low bandwidth on my ext (root) partition is influencing the results?<br \/>\n<code>EXT3 - 2097152000 bytes (2.1 GB) copied, 66.2435 s, 31.7 MB\/s. Deletion time - real    0m1.205s<br \/>\nEXT4 - 2097152000 bytes (2.1 GB) copied, 27.885 s, 75.2 MB\/s. Deletion time - real    0m0.575s<br \/>\nJFS - 2097152000 bytes (2.1 GB) copied, 28.7924 s, 72.8 MB\/s. Deletion time - real    0m0.273s<\/code><\/p>\n<p>Need to re-do the tests with a larger file, all on the same disk, so bandwidth isnt an issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;ve converted my \/home partition to EXT4, and running my root partition as EXT3. While EXT4 looks good, for some reason i&#8217;m getting bad write performance on RAID1, compared to a normal JBOD disk, which i would expect to be &hellip; <a href=\"https:\/\/thedragon.kicks-ass.org\/?p=138\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[9,4],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p20dKL-2e","_links":{"self":[{"href":"https:\/\/thedragon.kicks-ass.org\/index.php?rest_route=\/wp\/v2\/posts\/138"}],"collection":[{"href":"https:\/\/thedragon.kicks-ass.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thedragon.kicks-ass.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thedragon.kicks-ass.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thedragon.kicks-ass.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=138"}],"version-history":[{"count":7,"href":"https:\/\/thedragon.kicks-ass.org\/index.php?rest_route=\/wp\/v2\/posts\/138\/revisions"}],"predecessor-version":[{"id":155,"href":"https:\/\/thedragon.kicks-ass.org\/index.php?rest_route=\/wp\/v2\/posts\/138\/revisions\/155"}],"wp:attachment":[{"href":"https:\/\/thedragon.kicks-ass.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thedragon.kicks-ass.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thedragon.kicks-ass.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}