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Re: Subversion Performance

From: Troy Curtis Jr <troycurtisjr_at_gmail.com>
Date: Wed, 1 Oct 2008 06:06:42 -0500

On Tue, Sep 30, 2008 at 11:30 AM, Les Mikesell <lesmikesell_at_gmail.com>wrote:

> 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
> lesmikesell_at_gmail.com
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Yeah directory level authentication can really slow things down going
through Apache. Also, for our large repository our group had to move to the
BDB backend for operations to be bearable.

Hope it helps.

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Received on 2008-10-01 13:07:10 CEST

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