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Re: Subversion Performance

From: Les Mikesell <lesmikesell_at_gmail.com>
Date: Tue, 30 Sep 2008 11:30:12 -0500

Eric Lemes wrote:
> It is just a guess, but maybe using 1.5 with sharding enabled will
> improve your
> performance. See:
> http://subversion.tigris.org/svn_1.5_releasenotes.html#fsfs-sharding
> I did some investigation about this feature, and I think it will get
> better I/O, but I/O isn't our problem.
> The machine has lot's of RAM and after some operations almost all the db
> is cached. We can prove it with iostat and vmstat. Our filesystem is
> alread mounted with noatime (it's our default).
> If there's any other information that I can send to help investigate the
> problem, please, let me know.

I've seen other comments about svnserve being much faster than http but
it may really depend on subtle items like your http authentication
methods and logging. It might be worth wading through an strace of an
httpd child process as you do some svn operations to see if anything
unexpected is happening.

   Les Mikesell
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Received on 2008-09-30 18:30:41 CEST

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