From: Andrew Morton <akpm@digeo.com>
To: Paolo Ciarrocchi <ciarrocchi@linuxmail.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.5.52, load and process in D state
Date: Sat, 21 Dec 2002 15:20:34 -0800 [thread overview]
Message-ID: <3E04F742.DD396736@digeo.com> (raw)
In-Reply-To: 20021221203246.16082.qmail@linuxmail.org
Paolo Ciarrocchi wrote:
>
> Hi all,
> I booted 2.5.52 with the following parmater:
> apm=off mem=32M (not sure about the amount, anyway I can reproduce
> the problem for sure with 32M and 40M)
>
> Then I tried the osdb (www.osdb.org) benchmark with
> 40M of data.
>
> $./bin/osdb-pg --nomulti
>
> the result is that aftwer a few second running top I see the postmaster
> process in D state and a lot if iowait.
What exactly _is_ the issue? The machine is achieving 25% CPU utilisation
in user code, 6-9% in system code. It is doing a lot of I/O, and is
getting work done.
next prev parent reply other threads:[~2002-12-21 23:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-21 20:32 2.5.52, load and process in D state Paolo Ciarrocchi
2002-12-21 23:20 ` Andrew Morton [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-12-22 1:09 Paolo Ciarrocchi
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