Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751138AbVJHVXx (ORCPT ); Sat, 8 Oct 2005 17:23:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751146AbVJHVXx (ORCPT ); Sat, 8 Oct 2005 17:23:53 -0400 Received: from willy.net1.nerim.net ([62.212.114.60]:25095 "EHLO willy.net1.nerim.net") by vger.kernel.org with ESMTP id S1751138AbVJHVXx (ORCPT ); Sat, 8 Oct 2005 17:23:53 -0400 Date: Sat, 8 Oct 2005 23:23:40 +0200 From: Willy Tarreau To: Xin Zhao Cc: Lee Revell , linux-kernel@vger.kernel.org Subject: Re: why is NFS performance poor when decompress linux kernel Message-ID: <20051008212340.GB25255@alpha.home.local> References: <4ae3c140510072139n68b9b2eeyc0a400be32d958fe@mail.gmail.com> <1128751189.17981.62.camel@mindpipe> <20051008071936.GF22601@alpha.home.local> <4ae3c140510080735q5842d686u2f023b47f7930586@mail.gmail.com> <4ae3c140510080803x5e58e637u1ea91683628cbf67@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4ae3c140510080803x5e58e637u1ea91683628cbf67@mail.gmail.com> User-Agent: Mutt/1.5.10i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 660 Lines: 19 On Sat, Oct 08, 2005 at 11:03:26AM -0400, Xin Zhao wrote: > BTW: where did you see that stat is called before each write? strace > can you point out the code or function that does this? I might want > to look into the source code to see whether we can improve it. What would be cool (if at all possible) would be a command line option to avoid doing it an rely on the open() return code instead. Regards, Willy - 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/