From owner-freebsd-hackers Mon Feb 10 10:50:45 2003 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D810C37B401 for ; Mon, 10 Feb 2003 10:50:43 -0800 (PST) Received: from icomag.de (ns.icomag.de [195.227.115.162]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8D83B43F75 for ; Mon, 10 Feb 2003 10:50:42 -0800 (PST) (envelope-from bgd@icomag.de) Received: from localhost (bgd@localhost) by icomag.de (8.12.3/8.11.3) with ESMTP id h1AIod9G047121; Mon, 10 Feb 2003 19:50:39 +0100 (CET) (envelope-from bgd@icomag.de) Date: Mon, 10 Feb 2003 19:50:39 +0100 (CET) From: Bogdan TARU X-X-Sender: To: Tim Kientzle Cc: Subject: Re: gettings snapshots of load spikes In-Reply-To: <3E47ECBD.4090809@acm.org> Message-ID: <20030210194805.A47097-100000@fw.office.icom> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG hi Tim & all, > > I am having a real weird problem with a newly installed Dell PowerEdge > > 2650 which acts as a web (Apache) and mail server(Procmail). The load just > > 'spikes' sometimes (to 40.00 or so), but immediately starts to go down. > > > Could be Apache restarting a bunch of children all at once. > Could be a burst of CGI requests. I have seen sometimes the number of running processes jumping from 1-2 to 200 or so, which are the apache kids, but that doesn't produce a system load at all. > Try looking at your 'top' snapshots just before and after > the spike. Look to see if there are any processes > whose PIDs seem to have changed. That might indicate > that some processes are getting restarted. I will try to do that indeed, even though I will have to compare the pids of all apache children processes... > > Also, look in your apache and mail server log files > to see if you're getting a burst of some sort of > errors around that time. I have, and found nothing there at all (looked into the system logs as well, same outcome). Thanks for your answer, bogdan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message