From: Oliver Xymoron <oxymoron@waste.org>
To: J Sloan <jjs@pobox.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: heads-up: preempt kernel and tux NO-GO
Date: Tue, 27 Nov 2001 20:12:21 -0600 (CST) [thread overview]
Message-ID: <Pine.LNX.4.40.0111272007070.9338-100000@waste.org> (raw)
In-Reply-To: <3C043B11.2FA17A19@pobox.com>
On Tue, 27 Nov 2001, J Sloan wrote:
> I have been looking into the tux2 webserver -
> Man, what a thing of beauty. A web benchmark
> that sends the load on the web server to 150
> when running apache results in a load average
> of maybe 2 when running tux, and much faster
> results to boot - anyway, I digress....
Loadavg isn't much of a measure here, it's a measure of the length of the
runnable queue. If you've only got two processes because your server has a
thread per processor, then yes, you'll see lower loadavg, but not lower
load. A real measure would look at idle percentage and throughput.
--
"Love the dolphins," she advised him. "Write by W.A.S.T.E.."
next prev parent reply other threads:[~2001-11-28 2:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-28 1:17 heads-up: preempt kernel and tux NO-GO J Sloan
2001-11-28 2:12 ` Oliver Xymoron [this message]
2001-11-28 2:23 ` J Sloan
2001-11-28 2:30 ` Andrew Morton
2001-11-28 4:27 ` Robert Love
2001-11-29 4:11 ` data point: tux and low-latency patches OK J Sloan
2001-11-29 1:18 ` interrupt ? McEnroe
2001-11-29 17:07 ` Robert Love
2001-11-29 21:03 ` Mike Fedyk
2001-11-28 1:21 heads-up: preempt kernel and tux NO-GO J Sloan
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