From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Andi Kleen <ak@suse.de>
Cc: linux-mm@kvack.org, sjiang@lanl.gov, rni@andrew.cmu.edu,
a.p.zijlstra@chello.nl, riel@redhat.com
Subject: Re: Benchmarks to exploit LRU deficiencies
Date: Mon, 10 Oct 2005 20:21:04 -0300 [thread overview]
Message-ID: <20051010232104.GB4946@logos.cnet> (raw)
In-Reply-To: <200510110241.42225.ak@suse.de>
On Tue, Oct 11, 2005 at 02:41:41AM +0200, Andi Kleen wrote:
> On Monday 10 October 2005 22:26, Marcelo Tosatti wrote:
>
> > But other than that it works fine AFAIK.
>
> I don't think so.
>
> >
> > > We seem to have far more problems in this area than with the
> > > standard page cache.
> >
> > How's that?
>
> At least in many cases where i've seen machines becomming unusable
> the problem was dcache/inode pollution, not page cache getting
> unbalanced.
>
> Good example is running rsync.
You mean rsync kicks out your pagecache working set?
How come the machine is unusable?
How can the problem be reproduced? Run rsync is too vague I guess.
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next prev parent reply other threads:[~2005-10-10 23:21 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-10 18:46 Marcelo Tosatti
2005-10-11 0:13 ` Andi Kleen
2005-10-10 20:26 ` Marcelo Tosatti
2005-10-11 0:41 ` Andi Kleen
2005-10-10 23:21 ` Marcelo Tosatti [this message]
2005-10-11 8:10 ` Andi Kleen
2005-10-11 1:04 ` Rik van Riel
2005-10-11 15:23 ` Christoph Lameter
2005-10-13 8:00 ` Magnus Damm
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