From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758004AbYENWGg (ORCPT ); Wed, 14 May 2008 18:06:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752349AbYENWGY (ORCPT ); Wed, 14 May 2008 18:06:24 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:46063 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751844AbYENWGX (ORCPT ); Wed, 14 May 2008 18:06:23 -0400 Message-ID: <482B6259.3070507@garzik.org> Date: Wed, 14 May 2008 18:06:17 -0400 From: Jeff Garzik User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Evgeniy Polyakov , Jamie Lokier , Sage Weil , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: POHMELFS high performance network filesystem. Transactions, failover, performance. References: <20080513174523.GA1677@2ka.mipt.ru> <4829E752.8030104@garzik.org> <20080513205114.GA16489@2ka.mipt.ru> <20080514135156.GA23131@2ka.mipt.ru> <482B378C.5070807@garzik.org> <20080514193843.GB10165@2ka.mipt.ru> <20080514215704.GE23758@shareable.org> In-Reply-To: <20080514215704.GE23758@shareable.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.2.4 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jamie Lokier wrote: > With the right topology and hardware, you can get _faster_ than single > node performance with as many nodes as you like This is the core reason why I am so interested in distributed storage... a single storage device is usually slower than network wire speed. Multiple nodes helps remove that limitation and max out the network. I want to be able to stream data _faster_ than a single hard drive can handle :) Jeff