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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Holger Kiehl <Holger.Kiehl@dwd.de>
Cc: Jens Axboe <axboe@suse.de>, Vojtech Pavlik <vojtech@suse.cz>,
	linux-raid <linux-raid@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Where is the performance bottleneck?
Date: Thu, 01 Sep 2005 03:25:36 +1000	[thread overview]
Message-ID: <4315E810.4030305@yahoo.com.au> (raw)
In-Reply-To: <Pine.LNX.4.61.0508311524190.16574@diagnostix.dwd.de>

Holger Kiehl wrote:

> meminfo.dump:
> 
>    MemTotal:      8124172 kB
>    MemFree:         23564 kB
>    Buffers:       7825944 kB
>    Cached:          19216 kB
>    SwapCached:          0 kB
>    Active:          25708 kB
>    Inactive:      7835548 kB
>    HighTotal:           0 kB
>    HighFree:            0 kB
>    LowTotal:      8124172 kB
>    LowFree:         23564 kB
>    SwapTotal:    15631160 kB
>    SwapFree:     15631160 kB
>    Dirty:         3145604 kB

Hmm OK, dirty memory is pinned pretty much exactly on dirty_ratio
so maybe I've just led you on a goose chase.

You could
     echo 5 > /proc/sys/vm/dirty_background_ratio
     echo 10 > /proc/sys/vm/dirty_ratio

To further reduce dirty memory in the system, however this is
a long shot, so please continue your interaction with the
other people in the thread first.

Thanks,
Nick

-- 
SUSE Labs, Novell Inc.

Send instant messages to your online friends http://au.messenger.yahoo.com 

  reply	other threads:[~2005-08-31 17:25 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-29 18:20 Where is the performance bottleneck? Holger Kiehl
2005-08-29 19:54 ` Mark Hahn
2005-08-30 19:08   ` Holger Kiehl
2005-08-30 23:05     ` Guy
2005-09-28 20:04       ` Bill Davidsen
2005-09-30  4:52         ` Guy
2005-09-30  5:19           ` dean gaudet
2005-10-06 21:15           ` Bill Davidsen
2005-08-29 20:10 ` Al Boldi
2005-08-30 19:18   ` Holger Kiehl
2005-08-31 10:30     ` Al Boldi
2005-08-29 23:09 ` Peter Chubb
     [not found] ` <20050829202529.GA32214@midnight.suse.cz>
2005-08-30 20:06   ` Holger Kiehl
2005-08-31  7:11     ` Vojtech Pavlik
2005-08-31  7:26       ` Jens Axboe
2005-08-31 11:54         ` Holger Kiehl
2005-08-31 12:07           ` Jens Axboe
2005-08-31 13:55             ` Holger Kiehl
2005-08-31 14:24               ` Dr. David Alan Gilbert
2005-08-31 20:56                 ` Holger Kiehl
2005-08-31 21:16                   ` Dr. David Alan Gilbert
2005-08-31 16:20               ` Jens Axboe
2005-08-31 15:16                 ` jmerkey
2005-08-31 16:58                   ` Tom Callahan
2005-08-31 15:47                     ` jmerkey
2005-08-31 17:11                   ` Jens Axboe
2005-08-31 15:59                     ` jmerkey
2005-08-31 17:32                       ` Jens Axboe
2005-08-31 16:51                 ` Holger Kiehl
2005-08-31 17:35                   ` Jens Axboe
2005-08-31 19:00                     ` Holger Kiehl
2005-08-31 18:06                   ` Michael Tokarev
2005-08-31 18:52                     ` Ming Zhang
2005-08-31 18:57                       ` Ming Zhang
2005-08-31 12:24           ` Nick Piggin
2005-08-31 16:25             ` Holger Kiehl
2005-08-31 17:25               ` Nick Piggin [this message]
2005-08-31 21:57                 ` Holger Kiehl
2005-09-01  9:12                   ` Holger Kiehl
2005-09-02 14:28                     ` Al Boldi
2005-08-31 13:38       ` Holger Kiehl

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