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From: Tobias Ringstrom <>
To: Simon Kirby <>
Cc: Kernel Mailing List <>,
	Linus Torvalds <>
Subject: Re: 2.4.11pre4 swapping out all over the place
Date: Sat, 6 Oct 2001 10:59:47 +0200 (CEST)	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Sat, 6 Oct 2001, Simon Kirby wrote:

> 2.4.11pre4 is swapping out on me while burning a CD at 4x.
> 2.4.11pre2 (or maybe it was pre1) seemed to be a lot better.
> 2.4.10pre10 still seems to be the best for me so far...

I can confirm that in 2.4.11-pre4, the used-once pages are causing
page-out activity, as opposed to 2.4.11-pre2 which did not.  Streaming i/o
performce is down, and so is the interactive responsiveness (a lot).  To
reproduce, run

	dd if=/dev/hde1 of=/dev/null bs=4k

This should not produce paging.  The block size is not important.


  reply	other threads:[~2001-10-06  8:59 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-10-06  8:06 Simon Kirby
2001-10-06  8:59 ` Tobias Ringstrom [this message]
2001-10-06 16:09   ` Linus Torvalds
2001-10-06 17:49     ` Tobias Ringstrom
2001-10-06 21:59       ` Linus Torvalds
2001-10-07  4:59         ` Simon Kirby
2001-10-07  7:43         ` Tobias Ringstrom
2001-10-07 17:39           ` Linus Torvalds
2001-10-07 17:56             ` Alexander Viro
2001-10-07  4:57       ` David S. Miller
2001-10-06 22:52 ` Andrea Arcangeli

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