From: William Lee Irwin III <wli@holomorphy.com>
To: Andrew Morton <akpm@zip.com.au>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, lkml <linux-kernel@vger.kernel.org>
Subject: Re: [patch] get_request starvation fix
Date: Tue, 12 Feb 2002 17:28:09 -0800 [thread overview]
Message-ID: <20020213012809.GI767@holomorphy.com> (raw)
In-Reply-To: <3C69A196.B7325DC2@zip.com.au>
In-Reply-To: <3C69A196.B7325DC2@zip.com.au>
On Tue, Feb 12, 2002 at 03:13:26PM -0800, Andrew Morton wrote:
> Second version of this patch, incorporating Suparna's
> suggested simplification (the low-water mark was
> unnecessary).
>
> This patch is working well here. Hopefully it'll pop up
> in an rmap kernel soon.
>
> Bill Irwin has been doing some fairly extensive tuning
> and testing of this. Hopefully he'll come out with some
> numbers soon.
Much of my testing has involved varying elevator and bdflush parameters
to find what works best with this. From preliminary results it is clear
that the resolution of the fairness issues in this patch and the read
latency patch does not impair performance.
I'll do a bunch more runs tonight with the latest version of this.
My prior runs were with an earlier version.
Cheers,
Bill
next prev parent reply other threads:[~2002-02-13 1:29 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-12 23:13 [patch] get_request starvation fix Andrew Morton
2002-02-13 1:28 ` William Lee Irwin III [this message]
2002-02-15 17:23 ` Marcelo Tosatti
2002-02-16 7:32 ` Andrew Morton
2002-02-16 10:13 ` Daniel Phillips
2002-02-16 10:25 ` Andrew Morton
-- strict thread matches above, loose matches on Subject: below --
2002-02-13 13:55 rwhron
2002-02-09 1:56 rwhron
[not found] <200202081932.GAA05943@mangalore.zipworld.com.au>
2002-02-08 19:44 ` Andrew Morton
2002-02-08 19:53 ` Dieter Nützel
2002-02-08 20:43 ` Rik van Riel
2002-02-08 19:31 Dieter Nützel
2002-02-08 8:46 Andrew Morton
2002-02-08 8:57 ` Jens Axboe
2002-02-08 9:57 ` Andrew Morton
2002-02-08 9:10 ` Andrew Morton
2002-02-08 11:37 ` Rik van Riel
2002-02-08 18:28 ` Andrew Morton
2002-02-11 9:41 ` Andrew Morton
2002-02-11 17:35 ` Suparna Bhattacharya
2002-02-11 19:26 ` Andrew Morton
2002-02-14 6:00 ` Suparna Bhattacharya
2002-02-13 0:33 ` Jesse Barnes
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