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From: Dan Merillat <dan.merillat@gmail.com>
To: Tomasz Chmielewski <mangoo@wpkg.org>
Cc: preining@logic.at, riel@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: Linux 2.6.31 - very swap-happy with plenty of free RAM
Date: Wed, 18 Nov 2009 19:40:46 -0500	[thread overview]
Message-ID: <c0c067900911181640h64971680l4da14cdbe9fa6d59@mail.gmail.com> (raw)
In-Reply-To: <4B046AEA.80109@wpkg.org>

On Wed, Nov 18, 2009 at 4:45 PM, Tomasz Chmielewski <mangoo@wpkg.org> wrote:

> I have a pretty powerful desktop machine with 8 GB RAM, fast disks with
> RAID-1 etc.

> Every 10 minutes or so, machine is really unresponsive, load jumps to 10 or
> 20. Mouse pointer jumps, it's impossible to change between windows etc.

This is the type of hefty workstation many of the core developers
have, running similar workloads, so I'm somewhat surprised that the
default VM settings have this kind of issue.

> Do a "swapoff -a", and everything is snappy and responsive as it should,
> there are no more lags.

Yes, that's my exact finding.

Is this weird IO storm happening for anyone else with plenty of memory
(for their taskload?)

  reply	other threads:[~2009-11-19  0:40 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-18 21:45 Tomasz Chmielewski
2009-11-19  0:40 ` Dan Merillat [this message]
2009-11-19  1:09   ` Sven-Haegar Koch
2009-11-19  1:38     ` Dave Chinner
2009-11-19  6:43       ` Tomasz Chmielewski
2009-11-23 21:57         ` Dan Merillat
2009-11-27  1:56   ` Bill Davidsen
  -- strict thread matches above, loose matches on Subject: below --
2009-10-05  1:16 complete IO hang since a few kernel revision Norbert Preining
2009-11-18  7:56 ` Linux 2.6.31 - very swap-happy with plenty of free RAM Dan Merillat
2009-11-18 15:22   ` Rik van Riel
2009-11-18 15:48   ` Norbert Preining
2009-11-19 14:36   ` KOSAKI Motohiro
2009-11-25 23:13     ` Dan Merillat
2009-11-26  1:54       ` Rik van Riel
2009-12-03  4:16         ` Dan Merillat
2009-12-07 20:49           ` Dan Merillat
2009-12-09 20:48             ` Henrique de Moraes Holschuh
2009-12-09 21:18               ` Rik van Riel

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