Re: 40% IDE performance regression going from FC3 to FC5 with same kernel

From: Andreas Mohr
Date: Tue Apr 11 2006 - 08:28:15 EST


Hi,

On Sat, Apr 08, 2006 at 04:47:18PM +0200, Alessandro Suardi wrote:
> I'll be filing a FC5 performance bug for this but would like an opinion
> from the IDE kernel people just in case this has already been seen...
>
> I just upgraded my home K7-800, 512MB RAM box from FC3 to FC5
> and noticed a disk performance slowdown while copying files around.

Just another suggestion: try eliminating/pinpointing I/O scheduler issues
(switch e.g. to "noop" at /sys/block/hda/queue/scheduler and compare again)

Andreas Mohr
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