Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264008AbUDQSJT (ORCPT ); Sat, 17 Apr 2004 14:09:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264009AbUDQSJT (ORCPT ); Sat, 17 Apr 2004 14:09:19 -0400 Received: from wilma.widomaker.com ([204.17.220.5]:24585 "EHLO wilma.widomaker.com") by vger.kernel.org with ESMTP id S264008AbUDQSJR (ORCPT ); Sat, 17 Apr 2004 14:09:17 -0400 Date: Sat, 17 Apr 2004 13:55:39 -0400 From: Charles Shannon Hendrix To: Linux Kernel Subject: Re: NFS and kernel 2.6.x Message-ID: <20040417175538.GD2062@widomaker.com> References: <20040416011401.GD18329@widomaker.com> <1082079061.7141.85.camel@lade.trondhjem.org> <20040416190126.GB408@widomaker.com> <1082144608.2581.156.camel@lade.trondhjem.org> <20040417000353.GA3750@widomaker.com> <1082179726.3012.7.camel@lade.trondhjem.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1082179726.3012.7.camel@lade.trondhjem.org> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1077 Lines: 27 Fri, 16 Apr 2004 @ 22:28 -0700, Trond Myklebust said: > It's an inevitable side-effect of the increased caching. OK. That answers my question of: was making NFS bursty done on purpose. Answer: no. > If you are constantly writing out data, then you spread out the load > a lot more than if you wait until the user actually requests a flush. > On the other hand, it means that if your application reads/writs > several times over the same page, then you only write it out once. Usually, eliminating redundant writes in your application is a better optimization than relying on the OS to do it for you. I find bursty I/O is less desirable in most cases. -- shannon "AT" widomaker.com -- ["The trade of governing has always been monopolized by the most ignorant and the most rascally individuals of mankind. -- Thomas Paine"] - 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/