From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Pratt Subject: Re: Random write regression Date: Mon, 20 Jul 2009 09:47:27 -0500 Message-ID: <4A64837F.7090206@austin.ibm.com> References: <4A646D0E.1060006@austin.ibm.com> <20090720133431.GB25193@think> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed To: Chris Mason , Steven Pratt , linux-btrfs Return-path: In-Reply-To: <20090720133431.GB25193@think> List-ID: Chris Mason wrote: > On Mon, Jul 20, 2009 at 08:11:42AM -0500, Steven Pratt wrote: > >> Finally got around to going through latest data. Seems like we lost all >> the random write performance gains. Creates are better, but total >> regression on the random workload. Sequential reads seem to have >> dropped as well. >> > > Interesting, was this filesystem freshly created? > Yes, alway mkfs before the runs. Steve > -chris >