Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261654AbVC2XfI (ORCPT ); Tue, 29 Mar 2005 18:35:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261649AbVC2XfI (ORCPT ); Tue, 29 Mar 2005 18:35:08 -0500 Received: from pat.uio.no ([129.240.130.16]:54437 "EHLO pat.uio.no") by vger.kernel.org with ESMTP id S261656AbVC2Xef (ORCPT ); Tue, 29 Mar 2005 18:34:35 -0500 Subject: Re: NFS client latencies From: Trond Myklebust To: Lee Revell Cc: Ingo Molnar , linux-kernel In-Reply-To: <1112139155.5386.35.camel@mindpipe> References: <1112137487.5386.33.camel@mindpipe> <1112138283.11346.2.camel@lade.trondhjem.org> <1112139155.5386.35.camel@mindpipe> Content-Type: text/plain Date: Tue, 29 Mar 2005 18:34:23 -0500 Message-Id: <1112139263.11892.0.camel@lade.trondhjem.org> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 Content-Transfer-Encoding: 7bit X-UiO-Spam-info: not spam, SpamAssassin (score=-3.424, required 12, autolearn=disabled, AWL 1.53, FORGED_RCVD_HELO 0.05, UIO_MAIL_IS_INTERNAL -5.00) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 771 Lines: 24 ty den 29.03.2005 Klokka 18:32 (-0500) skreiv Lee Revell: > On Tue, 2005-03-29 at 18:18 -0500, Trond Myklebust wrote: > > ty den 29.03.2005 Klokka 18:04 (-0500) skreiv Lee Revell: > > > I am seeing long latencies in the NFS client code. Attached is a ~1.9 > > > ms latency trace. > > > > What kind of workload are you using to produce these numbers? > > > > Just a kernel compile over NFS. In other words a workload consisting mainly of mmap()ed writes? Cheers, Trond -- Trond Myklebust - 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/