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Re: Repository size limit

From: <kmradke_at_rockwellcollins.com>
Date: Wed, 25 Feb 2009 08:39:40 -0600

Ryan Schmidt <subversion-2009a_at_ryandesign.com> wrote on 02/25/2009
03:55:15 AM:
> On Feb 25, 2009, at 03:48, liat katzir wrote:
>
> > I'm working with subversion 1.4.5 on a UNIX server.
> > The clients are working with windows XP.
> > I was wondering is there a limit on the size of 1 repository?
> > Can i manage in SVN a repository with a 20GB size without
> > performance issues?
>
> I don't think there is an inherent limit to the size of a repository.

Our largest single repository is around 150G currently. No limit
that I know of. The biggest performance killer I have found is
a large number of files in a single transaction, not the individual
size of the files.

> > Is there still a limit size to manage 1 file over 2GB or is it fix
> > already and if so on what version?
>
> I think >2GB files should be fine if you're using a current version
> of apr (>=1.2.x)

Using the http:// protocol, you will be limited to around 2G for
a single compressed diff of a file in a transaction. Even with
apr >= 1.2.x. The transaction itself isn't limited.
(The svn client sends a negative value in the http header during
 the txn causing the problem. Last time I tested on Solaris,
 Linux and Windows using svn 1.5.1, neon 0.28.3, and apr 1.2.12.)

Using the svn:// protocol I haven't found a limit yet, but the
largest single file I have done is around 6G.

This all assumes your svn server is using apr >= 1.2.x and
it has been enabled for 64-bit file access.

Kevin R.

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Received on 2009-02-25 15:40:32 CET

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