Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 18 Dec 2001 10:32:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 18 Dec 2001 10:32:16 -0500 Received: from [194.234.65.222] ([194.234.65.222]:2183 "EHLO mustard.heime.net") by vger.kernel.org with ESMTP id ; Tue, 18 Dec 2001 10:32:10 -0500 Date: Tue, 18 Dec 2001 16:31:34 +0100 (CET) From: Roy Sigurd Karlsbakk To: Ingo Molnar cc: Ingo Molnar , , , Jens Axboe , Linus Torvalds Subject: Re: [patch] raid-2.5.1-I7 In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > Does this have anything to do with the bug I've reported about 2.4.x > > slowing down i/o after heavy sequencial read-only from >=50 files > > concurrently? (see BUG raid subsys) > > no. You have a RAID-0 array, while the patch i sent only affects RAID-1. > It's very likely that 50 concurrent reads wont perform well on any device > (RAID or standalone disk), i hope we can tackle workloads like that later > in 2.5. It really DOES perform well ... that is ... until it's used all the memory and stops reading fast. -- Roy Sigurd Karlsbakk, MCSE, MCNE, CLS, LCA Computers are like air conditioners. They stop working when you open Windows. - 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/