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>
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* 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
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