Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 7 Oct 2002 11:24:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 7 Oct 2002 11:24:21 -0400 Received: from 2-225.ctame701-1.telepar.net.br ([200.193.160.225]:6289 "EHLO 2-225.ctame701-1.telepar.net.br") by vger.kernel.org with ESMTP id ; Mon, 7 Oct 2002 11:24:20 -0400 Date: Mon, 7 Oct 2002 12:29:40 -0300 (BRT) From: Rik van Riel X-X-Sender: riel@imladris.surriel.com To: Larry McVoy cc: linux-kernel@vger.kernel.org Subject: Re: best version for server? In-Reply-To: <20021007080132.A13486@work.bitmover.com> Message-ID: X-spambait: aardvark@kernelnewbies.org X-spammeplease: aardvark@nl.linux.org 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 Content-Length: 1096 Lines: 34 On Mon, 7 Oct 2002, Larry McVoy wrote: > We're not sure if it is something we've done or just increased usage, but > bkbits.net is getting hammered lately. We see load averages in ~15-20 > range pretty regularly. It's got some nasty characteristics from the > point of view of server/VM system, tons of data and not really any good > working sets. There are a few things that could help here: 1) Andrew Morton's io scheduler patch (read-latency2), which is in the -rmap kernel 2) reducing the number of outstanding IO commands in the 3ware controller/driver, so akpm's io scheduler gets a chance to do its work 3) better readahead, if possible... regards, Rik -- Bravely reimplemented by the knights who say "NIH". http://www.surriel.com/ http://distro.conectiva.com/ Spamtraps of the month: september@surriel.com trac@trac.org - 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/