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Re: Multi-master setup with Apache and NFS feasible ?

From: Ryan Schmidt <subversion-2009b_at_ryandesign.com>
Date: Tue, 18 Aug 2009 05:14:33 -0500

On Aug 18, 2009, at 03:36, Tobias Gierke wrote:

> For performance reasons, we're thinking about setting up two Apache
> Servers that both provide access to a shared (FSFS) repository on NFS.
> I've found quite a lot of different opinions on such a setup (with
> regards to data corruption/locking issues), some are quite old and
> refer
> to SVN <1.5.
> Does anybody successfully use this kind of setup (running SVN 1.5.x on
> Linux,can't upgrade to 1.6 right now) or should we just get faster
> hardware (storage) for our master server and keep the other box as a
> hot-standy (using the write-through proxy mechanism) ?

AFAIK most projects get by just fine with a single Subversion server.

You can add read-only mirrors if you need more performance. If you
need everyone to be able to write too, then you can set up write-
through proxying on those mirrors.

I have been told before that if you use a cluster filesystem like
Apple's Xsan, you can have multiple master servers pointing at the
same repositories and serving them simultaneously, which would help
eliminate your Subversion server as a single point of failure (and
instead make your NAS the single point of failure).

AFAIK NFS by itself is not a cluster filesystem and thus couldn't be
used in this manner.


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Received on 2009-08-18 12:15:36 CEST

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