From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: latest patches degrade reiser4 performance substantially Date: Wed, 21 Sep 2005 12:17:00 -0700 Message-ID: <4331B1AC.6060000@namesys.com> References: <4331A9BD.5030006@namesys.com> <20050921115256.6a11ab8d.akpm@osdl.org> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <20050921115256.6a11ab8d.akpm@osdl.org> List-Id: Content-Type: text/plain; charset="us-ascii" To: Andrew Morton , vs Cc: linux-kernel@vger.kernel.org, reiserfs-list@namesys.com Andrew Morton wrote: >Hans Reiser wrote: > > >>At the this time we have no idea which patch is responsible, probably in >>a day or two we'll have a patch to fix it. >> >> >> > >OK. I assume this performance change is demonstrable in just >2.6.14-rc2+reiser4? Beware that there are other changes in the -mm lineup >which might cause regressions. Notably > > mm-try-to-allocate-higher-order-pages-in-rmqueue_bulk.patch > >and > > per-task-predictive-write-throttling-1.patch > per-task-predictive-write-throttling-1-tweaks.patch > > > > > I'll have vs check to make sure it is reiser4 changes causing the drop. Thanks much for the suggestion we check that.