From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261490AbUBUDIp (ORCPT ); Fri, 20 Feb 2004 22:08:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261491AbUBUDIp (ORCPT ); Fri, 20 Feb 2004 22:08:45 -0500 Received: from fw.osdl.org ([65.172.181.6]:37509 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261490AbUBUDIo (ORCPT ); Fri, 20 Feb 2004 22:08:44 -0500 Date: Fri, 20 Feb 2004 19:08:59 -0800 From: Andrew Morton To: Ron Peterson Cc: linux-kernel@vger.kernel.org Subject: Re: network / performance problems Message-Id: <20040220190859.67442592.akpm@osdl.org> In-Reply-To: References: X-Mailer: Sylpheed version 0.9.4 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ron Peterson wrote: > > http://depot.mtholyoke.edu:8080/tmp/ Could you chmod user.log and vmstat.log for us? There are a few things you should try - you probably already have: - Stop all applications, restart them - Unload net driver module, reload and reconfigure it. If either of those (or similar operations) are found to bring the latency back to normal then that would be a big hint. ie: we need to find something which brings the performance back apart from a complete reboot. Also, look out for consistent increases in either urer or system CPU time.