Date: Mon, 29 Mar 2004 17:01:38 +0200
From: Jens Axboe <axboe@suse.de>
To: Zoltan NAGY <nagyz@nefty.hu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: pdflush and dm-crypt
Message-ID: <20040329150137.GH24370@suse.de>
References: <1067885681.20040329165002@nefty.hu>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1067885681.20040329165002@nefty.hu>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 952
Lines: 24

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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/