Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 26 Feb 2002 09:56:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 26 Feb 2002 09:56:48 -0500 Received: from 216-42-72-168.ppp.netsville.net ([216.42.72.168]:48308 "EHLO roc-24-169-102-121.rochester.rr.com") by vger.kernel.org with ESMTP id ; Tue, 26 Feb 2002 09:56:41 -0500 Date: Tue, 26 Feb 2002 09:55:55 -0500 From: Chris Mason To: Brian Ristuccia , linux-kernel@vger.kernel.org Subject: Re: kernel nfsd consuming 100% CPU on 2.4.17 and 2.4.18 with reiserfs? Message-ID: <2305220000.1014735355@tiny> In-Reply-To: <3C7B9212.5050400@sw.starentnetworks.com> In-Reply-To: <3C7B9212.5050400@sw.starentnetworks.com> X-Mailer: Mulberry/2.1.0 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday, February 26, 2002 08:48:02 AM -0500 Brian Ristuccia wrote: > It seems that kernel nfsd consumes an inordinate amount of CPU time > during writes on this machine. With a few hundred kb/sec being written > over NFSv3 from a 2.2.17 client, all of the nfsd threads each consume as > much of the available CPU time as possible. On a similarly configured > machine with ext3 instead of reiserfs, nfsd consumes much less CPU time. > > Is there a known issue with NFSv3 performance and reiserfs? No, it is not a known issue. Does it only happen with a 2.2.17 client, or can you reproduce with any kernel version on the client? -chris - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/