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From: <pcg@goof.com ( Marc) (A.) (Lehmann )>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Significant performace improvements on reiserfs systems, kupdated bugfixes
Date: Fri, 21 Sep 2001 22:12:25 +0200	[thread overview]
Message-ID: <20010921221225.A22402@schmorp.de> (raw)
In-Reply-To: <20010920101544.A14526@turbolinux.com> <Pine.LNX.4.30.0109210015190.19847-100000@gamma.student.ljbc>
In-Reply-To: <Pine.LNX.4.30.0109210015190.19847-100000@gamma.student.ljbc>

On Fri, Sep 21, 2001 at 12:22:59AM +0800, Beau Kuiper <kuib-kl@ljbc.wa.edu.au> wrote:
> Also, it is nicer behaviour not to write out to disk before the time
> indicated in the bdflush tuning structure. It allows sys admins to better
> tune the overal performace of a system. (unless the kernel need s more
> free memory)

A contiguous write doesn't cost anything much, so it could be major
win if the kernel could flush dirty buffers that are behind and after
the dirty block to be written. But this would nicely conflict with
allocate-on-flush ;)

-- 
      -----==-                                             |
      ----==-- _                                           |
      ---==---(_)__  __ ____  __       Marc Lehmann      +--
      --==---/ / _ \/ // /\ \/ /       pcg@goof.com      |e|
      -=====/_/_//_/\_,_/ /_/\_\       XX11-RIPE         --+
    The choice of a GNU generation                       |
                                                         |

  reply	other threads:[~2001-09-21 20:12 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-20  7:12 [PATCH] Significant performace improvements on reiserfs systems, kupdated bugfixes Beau Kuiper
2001-09-20 12:16 ` Chris Mason
2001-09-20 15:20   ` Beau Kuiper
2001-09-20 16:15     ` Andreas Dilger
2001-09-20 16:22       ` Beau Kuiper
2001-09-21 20:12         ` Lehmann  [this message]
2001-09-21 20:57           ` Rik van Riel
2001-09-21 22:50             ` Lehmann 
2001-09-21 13:26 ` Matthias Andree
2001-09-22 18:38   ` Beau Kuiper
2001-09-22 19:32     ` Matthias Andree
2001-09-23 15:24       ` Chris Mason
2001-09-24 14:37   ` Stephen C. Tweedie
  -- strict thread matches above, loose matches on Subject: below --
2001-09-20 17:23 Chris Mason

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