From: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Roy Sigurd Karlsbakk <roy@karlsbakk.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BUG] 2.4 VM sucks. Again
Date: Fri, 24 May 2002 08:53:38 -0700 [thread overview]
Message-ID: <421830000.1022255618@flay> (raw)
In-Reply-To: <E17BGj9-0006VQ-00@the-village.bc.nu>
>> > How much RAM do you have, and what does /proc/meminfo
>> > and /proc/slabinfo say just before the explosion point?
>>
>> I have 1 gig - highmem (not enabled) - 900 megs.
>> for what I can see, kernel can't reclaim buffers fast enough.
>> ut looks better on -aa.
>>
>
> What sort of setup. I can't duplicate the problem here ?
I'm not sure exactly what Roy was doing, but we were taking a machine
with 16Gb of RAM, and reading files into the page cache - I think we built up
8 million buffer_heads according to slabinfo ... on a P4 they're 128 bytes each,
on a P3 96 bytes.
M.
next prev parent reply other threads:[~2002-05-24 15:53 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-23 13:11 [BUG] 2.4 VM sucks. Again Roy Sigurd Karlsbakk
2002-05-23 14:54 ` Martin J. Bligh
2002-05-23 16:29 ` Roy Sigurd Karlsbakk
2002-05-23 16:46 ` Martin J. Bligh
2002-05-24 10:04 ` Roy Sigurd Karlsbakk
2002-05-24 14:35 ` Martin J. Bligh
2002-05-24 19:32 ` Andrew Morton
2002-05-30 10:29 ` Roy Sigurd Karlsbakk
2002-05-30 19:28 ` Andrew Morton
2002-05-31 16:56 ` Roy Sigurd Karlsbakk
2002-05-31 18:19 ` Andrea Arcangeli
2002-06-18 11:26 ` Roy Sigurd Karlsbakk
2002-06-18 19:42 ` Andrew Morton
2002-06-19 11:26 ` Roy Sigurd Karlsbakk
2002-07-10 7:50 ` [2.4 BUFFERING BUG] (was [BUG] 2.4 VM sucks. Again) Roy Sigurd Karlsbakk
2002-07-10 8:05 ` Andrew Morton
2002-07-10 8:14 ` Roy Sigurd Karlsbakk
2002-08-28 9:28 ` [BUG+FIX] 2.4 buggercache sucks Roy Sigurd Karlsbakk
2002-08-28 15:30 ` Martin J. Bligh
2002-08-29 8:00 ` Roy Sigurd Karlsbakk
2002-08-29 13:42 ` Martin J. Bligh
2002-08-30 9:21 ` Roy Sigurd Karlsbakk
2002-08-30 17:19 ` Martin J. Bligh
2002-08-30 18:49 ` Andrew Morton
2002-05-24 15:11 ` [BUG] 2.4 VM sucks. Again Alan Cox
2002-05-24 15:53 ` Martin J. Bligh [this message]
2002-05-24 16:14 ` Alan Cox
2002-05-24 16:31 ` Martin J. Bligh
2002-05-24 17:30 ` Austin Gonyou
2002-05-24 17:43 ` Martin J. Bligh
2002-05-24 18:03 ` Austin Gonyou
2002-05-24 18:10 ` Martin J. Bligh
2002-05-24 18:29 ` 2.4 Kernel Perf discussion [Was Re: [BUG] 2.4 VM sucks. Again] Austin Gonyou
2002-05-24 19:01 ` Stephen Frost
2002-05-27 9:24 ` [BUG] 2.4 VM sucks. Again Marco Colombo
2002-05-27 22:24 ` Austin Gonyou
2002-05-27 23:08 ` Austin Gonyou
2002-05-27 11:12 ` Roy Sigurd Karlsbakk
2002-05-27 14:31 ` Alan Cox
2002-05-27 13:43 ` Roy Sigurd Karlsbakk
2002-05-23 16:03 ` Johannes Erdfelt
2002-05-23 16:33 ` Roy Sigurd Karlsbakk
2002-05-23 22:50 ` Luigi Genoni
2002-05-24 11:53 ` Roy Sigurd Karlsbakk
2002-05-23 18:12 ` jlnance
2002-05-24 10:36 ` Roy Sigurd Karlsbakk
2002-05-31 21:21 ` Andrea Arcangeli
2002-06-01 12:36 ` Roy Sigurd Karlsbakk
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