From: Miquel van Smoorenburg <miquels@cistron.nl>
To: Andrew Morton <akpm@digeo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: experiences with 2.5.40 on a busy usenet news server
Date: Tue, 8 Oct 2002 11:36:23 +0200 [thread overview]
Message-ID: <20021008113623.A19014@cistron.nl> (raw)
In-Reply-To: <3DA2A233.88525FE4@digeo.com>; from akpm@digeo.com on Tue, Oct 08, 2002 at 02:15:31AM -0700
According to Andrew Morton:
> Miquel van Smoorenburg wrote:
> > # free
>
> Please always send /proc/meminfo - it's way more informative.
> A vmstat trace is also useful.
Will do next time.
> > No need to swap 364 MB when there's 872 MB still free...
> > This makes the machine dogslow. An 'expire' process that
> > runs every night normally takes 15 minutes to finish now
> > has been running for 10 hours and its still not finished.
>
> It must be doing a ton of IO?
Oh yes. This is a usenet news server, 50 mbit/sec
sustained in, 100 mbit/sec sustained out, and it's all being
cached on disk. See http://newsgate.cistron.nl/
> You'll probably find that 2.5.41-mm1 does not swap at all; but
> I'd need to see meminfo to know.
Right now I've not rebooted but instead I turned off swap. It
has enough memory anyway.
The 'expire' process that ran for 10 hours finished within
2 minutes, load went down from 6 to 1.8, and traffic volume
is climbing again.
I'll let it run like this for a few hours so it can catch up
with the backlog my peers have to me, then in the afternoon I'll
try 2.5.41-mm<latest> on it.
Mike.
next prev parent reply other threads:[~2002-10-08 9:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-08 8:46 Miquel van Smoorenburg
2002-10-08 9:11 ` bert hubert
2002-10-08 9:15 ` Andrew Morton
2002-10-08 9:36 ` Miquel van Smoorenburg [this message]
2002-10-08 23:02 ` Miquel van Smoorenburg
2002-10-08 9:22 ` Nick Sanders
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