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Re: Subversion and Very,Very Large Repositories

From: Phil Endecott <spam_from_subversion_users_at_chezphil.org>
Date: 2006-02-28 23:18:47 CET

Russ Brown wrote:
>>In general, Subversion can handle very large repositories. The one
>>scalability issue I am aware of is if you create a flat repository, that
>>does not scale well.
> I'm not sure how this would make a difference. FSFS doesn't store the
> files in the repository in physical folders on the disk: only as a
> series of revisions. From what I remember, filesystem lookup performance
> becomes a potential issue for fsfs only when you have a very large
> number of revisions: not when you have a a flat file structure in the
> repository.
> Or does the Subversion filesystem have a similar lookup performance
> issue?

IIRC, the FSFS revision file contains a small amount of data for every
file in a directory where some files have changed, even for files that
have not changed. If you have a directory with many thousands of files,
this can become an issue.


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Received on Tue Feb 28 23:20:39 2006

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