Re: [PATCH] Significant performace improvements on reiserfs systems, kupdated bugfixes

From: Marc (pcg@goof.com)
Date: Fri Sep 21 2001 - 15:12:25 EST


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 ;)

-- 
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      ---==---(_)__  __ ____  __       Marc Lehmann      +--
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This archive was generated by hypermail 2b29 : Sun Sep 23 2001 - 21:00:45 EST