From: Andrew Morton <akpm@zip.com.au>
To: Ben LaHaise <bcrl@redhat.com>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Daniel Phillips <phillips@bonn-fries.net>,
Rik van Riel <riel@conectiva.com.br>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC][DATA] re "ongoing vm suckage"
Date: Tue, 07 Aug 2001 11:17:23 -0700 [thread overview]
Message-ID: <3B7030B3.9F2E8E67@zip.com.au> (raw)
In-Reply-To: <Pine.LNX.4.33.0108071245250.30280-100000@touchme.toronto.redhat.com>
Ben LaHaise wrote:
>
> On Tue, 7 Aug 2001, Linus Torvalds wrote:
>
> > Try pre4.
>
> It's similarly awful (what did you expect -- there are no meaningful
> changes between the two!). io throughput to a 12 disk array is humming
> along at a whopping 40MB/s (can do 80) that's very spotty and jerky,
> mostly being driven by syncs. vmscan gets delayed occasionally, and small
> interactive program loading varies from not to long (3s) to way too long
> (> 30s).
Ben, are you using software RAID?
The throughput problems which Mike Black has been seeing with
ext3 seem to be specific to an interaction with software RAID5
and possibly highmem. I've never been able to reproduce them.
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next prev parent reply other threads:[~2001-08-07 18:17 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-03 23:44 Ben LaHaise
2001-08-04 1:29 ` Rik van Riel
2001-08-04 3:06 ` Daniel Phillips
2001-08-04 3:13 ` Linus Torvalds
2001-08-04 3:23 ` Rik van Riel
2001-08-04 3:35 ` Linus Torvalds
2001-08-04 3:26 ` Ben LaHaise
2001-08-04 3:34 ` Rik van Riel
2001-08-04 3:38 ` Linus Torvalds
2001-08-04 3:48 ` Linus Torvalds
2001-08-04 4:14 ` Ben LaHaise
2001-08-04 4:20 ` Linus Torvalds
2001-08-04 4:39 ` Ben LaHaise
2001-08-04 4:47 ` Linus Torvalds
2001-08-04 5:13 ` Ben LaHaise
2001-08-04 5:28 ` Linus Torvalds
2001-08-04 6:37 ` Linus Torvalds
2001-08-04 5:38 ` Marcelo Tosatti
2001-08-04 7:13 ` Rik van Riel
2001-08-04 23:28 ` [PATCH] Unlazy activate (was: re "ongoing vm suckage") Daniel Phillips
2001-08-04 14:22 ` [RFC][DATA] re "ongoing vm suckage" Mike Black
2001-08-04 17:08 ` Linus Torvalds
2001-08-04 20:54 ` Jonathan Morton
2001-08-05 4:19 ` Michael Rothwell
2001-08-05 18:40 ` Marcelo Tosatti
2001-08-05 20:20 ` Linus Torvalds
2001-08-06 20:32 ` Rob Landley
2001-08-05 15:24 ` Mike Black
2001-08-05 20:04 ` Linus Torvalds
2001-08-05 20:23 ` Alan Cox
2001-08-05 20:33 ` Linus Torvalds
2001-08-04 16:21 ` Mark Hemment
2001-08-07 15:45 ` Ben LaHaise
2001-08-07 16:22 ` Linus Torvalds
2001-08-07 16:51 ` Ben LaHaise
2001-08-07 17:08 ` Linus Torvalds
2001-08-07 18:17 ` Andrew Morton [this message]
2001-08-07 18:40 ` Ben LaHaise
2001-08-07 21:33 ` Daniel Phillips
2001-08-07 21:33 ` Linus Torvalds
2001-08-07 17:04 ` Linus Torvalds
2001-08-07 17:11 ` Rik van Riel
2001-08-07 19:12 ` Linus Torvalds
2001-08-07 19:21 ` Rik van Riel
2001-08-07 20:50 ` Linus Torvalds
2001-08-07 23:36 ` Linus Torvalds
2001-08-07 17:26 ` Chris Mason
2001-08-07 18:13 ` Daniel Phillips
2001-08-07 18:40 ` Chris Mason
2001-08-07 19:52 ` Linus Torvalds
2001-08-07 20:22 ` Chris Mason
2001-08-08 1:08 ` Theodore Tso
2001-08-08 1:13 ` Linus Torvalds
2001-08-08 2:25 ` Marcelo Tosatti
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