On Fri, Jun 21, 2013 at 08:20:34AM -0700, Dan Magenheimer wrote:
> > From: Bob Liu [mailto:lliu...@gmail.com]
> Subject: Re: [PATCHv13 3/4] zswap: add to mm/
> >
> > On Thu, Jun 20, 2013 at 10:23 PM, Seth Jennings
> > wrote:
> > > On Thu, Jun 20, 201
> From: Bob Liu [mailto:lliu...@gmail.com]
Subject: Re: [PATCHv13 3/4] zswap: add to mm/
>
> On Thu, Jun 20, 2013 at 10:23 PM, Seth Jennings
> wrote:
> > On Thu, Jun 20, 2013 at 05:42:04PM +0800, Bob Liu wrote:
> >> > Just made a mmtests run of my own
On Thu, Jun 20, 2013 at 10:23 PM, Seth Jennings
wrote:
> On Thu, Jun 20, 2013 at 05:42:04PM +0800, Bob Liu wrote:
>> > Just made a mmtests run of my own and got very different results:
>> >
>>
>> It's strange, I'll update to rc6 and try again.
>> By the way, are you using 824 hardware compressor i
On Thu, Jun 20, 2013 at 05:42:04PM +0800, Bob Liu wrote:
> > Just made a mmtests run of my own and got very different results:
> >
>
> It's strange, I'll update to rc6 and try again.
> By the way, are you using 824 hardware compressor instead of lzo?
My results where using lzo software compressio
On Thu, Jun 20, 2013 at 10:37 AM, Seth Jennings
wrote:
> On Mon, Jun 17, 2013 at 02:20:05PM +0800, Bob Liu wrote:
>> Hi Seth,
>>
>> On Tue, Jun 4, 2013 at 4:33 AM, Seth Jennings
>> wrote:
>> > zswap is a thin backend for frontswap that takes pages that are in the
>> > process
>> > of being swapp
On Mon, Jun 17, 2013 at 02:20:05PM +0800, Bob Liu wrote:
> Hi Seth,
>
> On Tue, Jun 4, 2013 at 4:33 AM, Seth Jennings
> wrote:
> > zswap is a thin backend for frontswap that takes pages that are in the
> > process
> > of being swapped out and attempts to compress them and store them in a
> > RAM
On Wed, Jun 19, 2013 at 10:09 PM, Seth Jennings
wrote:
> On Mon, Jun 17, 2013 at 02:20:05PM +0800, Bob Liu wrote:
>> Hi Seth,
>>
>> On Tue, Jun 4, 2013 at 4:33 AM, Seth Jennings
>> wrote:
>> > zswap is a thin backend for frontswap that takes pages that are in the
>> > process
>> > of being swapp
On Mon, Jun 17, 2013 at 02:20:05PM +0800, Bob Liu wrote:
> Hi Seth,
>
> On Tue, Jun 4, 2013 at 4:33 AM, Seth Jennings
> wrote:
> > zswap is a thin backend for frontswap that takes pages that are in the
> > process
> > of being swapped out and attempts to compress them and store them in a
> > RAM
>
> I'm not sure how representative this is of real workloads, but it does
> look rather fatal for zswap. The differences are so large, I wonder if
> it's just some silly bug or config issue.
>
In my observation, zswap_pool_pages always close to zswap_stored_pages
in this testing.
I think it mean
>
> So the minor fault rate improved and everything else got worse?
I did the test again, in a new clean environment.
I'm sure the config files are the same except enabled zswap.
v3.10-rc4 v3.10-rc4
2G-paralli
On Mon, 17 Jun 2013 14:20:05 +0800 Bob Liu wrote:
> Hi Seth,
>
> On Tue, Jun 4, 2013 at 4:33 AM, Seth Jennings
> wrote:
> > zswap is a thin backend for frontswap that takes pages that are in the
> > process
> > of being swapped out and attempts to compress them and store them in a
> > RAM-base
Hi Seth,
On Tue, Jun 4, 2013 at 4:33 AM, Seth Jennings
wrote:
> zswap is a thin backend for frontswap that takes pages that are in the process
> of being swapped out and attempts to compress them and store them in a
> RAM-based memory pool. This can result in a significant I/O reduction on the
>
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