Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 7 Nov 2000 16:31:27 -0800
From:      Alfred Perlstein <bright@wintelcom.net>
To:        The Hermit Hacker <scrappy@hub.org>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: How to measure load on system CPUs ...
Message-ID:  <20001107163127.M5112@fw.wintelcom.net>
In-Reply-To: <Pine.BSF.4.21.0011072006100.1687-100000@thelab.hub.org>; from scrappy@hub.org on Tue, Nov 07, 2000 at 08:06:28PM -0400
References:  <20001107134325.D5112@fw.wintelcom.net> <Pine.BSF.4.21.0011072006100.1687-100000@thelab.hub.org>

next in thread | previous in thread | raw e-mail | index | archive | help
* The Hermit Hacker <scrappy@hub.org> [001107 16:06] wrote:
> On Tue, 7 Nov 2000, Alfred Perlstein wrote:
> 
> > * The Hermit Hacker <scrappy@hub.org> [001107 11:58] wrote:
> > > 
> > > How accurate is top considered for determining spare CPU cycles?  Is there
> > > a better way of determinig if I need faster CPUs?
> > 
> > Top is quite accurate.  But sometimes it's not the CPU that's a
> > problem, it could be an incorrectly coded program busy-waiting on
> > some event that's causing a lot of CPU to be used.  A faster
> > processor might help, but not if you're at 100% because of busy
> > looping.
> 
> PostgreSQL is the only thing that runs on that server ... :)  I hope its
> not that ...

It's possible, I've seen postgresql get stuck in 100% CPU utilization
however with the latest (almost) 7.0.3 stuff I haven't seen it.


-- 
-Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org]
"I have the heart of a child; I keep it in a jar on my desk."


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20001107163127.M5112>