From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oleg Drokin Subject: Re: [PATCH] new data logging and quota patches available Date: Wed, 12 Mar 2003 16:28:50 +0300 Message-ID: <20030312162850.A1840@namesys.com> References: <1046922372.2161.275.camel@tiny.suse.com> <3E66C88E.40207@mb.tu-ilmenau.de> <3E69FA70.5030601@mb.tu-ilmenau.de> <1047227975.8215.150.camel@tiny.suse.com> <3E6B74C0.5050702@mb.tu-ilmenau.de> <1047230647.8219.161.camel@tiny.suse.com> <3E6B7C61.9050405@mb.tu-ilmenau.de> <1047415578.8215.383.camel@tiny.suse.com> <20030312103800.A9291@namesys.com> <1047475349.8219.499.camel@tiny.suse.com> Mime-Version: 1.0 Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com Content-Disposition: inline In-Reply-To: <1047475349.8219.499.camel@tiny.suse.com> List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Chris Mason Cc: Manuel Krause , reiserfs-list Hello! On Wed, Mar 12, 2003 at 08:22:30AM -0500, Chris Mason wrote: > > > [ slow down between 2.419 data logging and 2.4.21-pre data logging ] > > > Ok, could you please apply the search_reada-4 patch I sent and do your > > > It's about 10% faster here, but my dataset is slightly different. > > Hm. Last time we had conversation with you on this patch (a year ago? > > may be even more), you said this patch makes no difference to you at all. > > And we thought this is because your system is all-scsi, and scsi appears > > to be more intelligent about caching/readahead. > > Have you switched to IDE already? ;) > No, that was on a scsi drive ;-) Which patch, the search_reada? Or Hm. Something have changed then. I can dig the email, if you want. > mounting with the border? search_reada patch. > search_reada doesn't make much difference without the border, and even Sure. > then it really only helps on long sequential reads. That's true, but it made no difference for you on SCSI for sequentional reads too. Bye, Oleg