Re: Poor desktop responsiveness with background I/O-operations

From: Ulrich Lukas
Date: Sun Sep 20 2009 - 04:50:31 EST


Arjan van de Ven wrote:
> can you try the following two things?
>
> echo 4096 > /sys/block/sda/queue/nr_requests
> for i in `pidof kjournald` ; do ionice -c1 -p $i ; done

I tried this just now, but it doesn't change things much. I can do a
more testing later today.


> I assume you're using CFQ.

Yes, it's CFQ. (see .config of my previous posting)

Filesystem is EXT4.
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