Re: [PATCH 0/4] promote zcache from staging

From: Konrad Rzeszutek Wilk
Date: Wed Aug 15 2012 - 06:42:01 EST


On Fri, Aug 10, 2012 at 01:14:01PM -0500, Seth Jennings wrote:
> On 08/09/2012 03:20 PM, Dan Magenheimer wrote
> > I also wonder if you have anything else unusual in your
> > test setup, such as a fast swap disk (mine is a partition
> > on the same rotating disk as source and target of the kernel build,
> > the default install for a RHEL6 system)?
>
> I'm using a normal SATA HDD with two partitions, one for
> swap and the other an ext3 filesystem with the kernel source.
>
> > Or have you disabled cleancache?
>
> Yes, I _did_ disable cleancache. I could see where having
> cleancache enabled could explain the difference in results.

Why did you disable the cleancache? Having both (cleancache
to compress fs data) and frontswap (to compress swap data) is the
goal - while you turned one of its sources off.
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