From: Jens Axboe <axboe@suse.de>
To: Zoltan NAGY <nagyz@nefty.hu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: pdflush and dm-crypt
Date: Mon, 29 Mar 2004 17:01:38 +0200 [thread overview]
Message-ID: <20040329150137.GH24370@suse.de> (raw)
In-Reply-To: <1067885681.20040329165002@nefty.hu>
On Mon, Mar 29 2004, Zoltan NAGY wrote:
> Hi!
>
> I've just upgraded the system to 2.6.5-rc2-bk6, and I'm using
> dm-crypt. It's a heavily used server, on average 20-30mbit/sec
> traffic is on the wire 7/24, and just noticed, that the load is very
> high. In every 4-5 sec pdflush takes a lot of cpu... Is this
> intentional? I've found a similar question on kerneltrap
> (http://kerneltrap.org/node/view/2756), but havent found a solution
> yet. I'm just wondering if it is a problem, or it's the normal
> behavior? It's a 1.8 P4 with 1G ram and highmem enabled, with 256 bit
> aes thru dm-crypt.
Try the -mm kernels intead, should have lots better behaviour for
pdflush/dm interactions.
--
Jens Axboe
next prev parent reply other threads:[~2004-03-29 15:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-29 14:50 pdflush and dm-crypt Zoltan NAGY
2004-03-29 15:01 ` Jens Axboe [this message]
2004-03-30 0:12 ` Andrew Morton
2004-03-30 6:22 ` Jens Axboe
2004-03-30 9:46 ` Christophe Saout
2004-03-30 10:07 ` Andrew Morton
2004-03-30 11:59 ` Zoltan NAGY
2004-03-29 15:01 ` Arkadiusz Miskiewicz
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