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Re: Loading Dump File Into Subversion

From: Stephen Connolly <stephen.alan.connolly_at_gmail.com>
Date: Fri, 6 Mar 2009 09:04:14 +0000

Probably to do with how subversion stores revisions on disk... the file
system you are using may require allocating an entire allocation unit for
each file, and prior to SVN 1.6, subversion can use a few files for each
revision... so even if the revision only includes a 1 byte change, if could
be taking up many Kbytes of disk to store it.

Version 1.6 is reported to have a much better storage system which reduces
the on-disk requirements.

Another change you could look at is decreasing the allocation unit size for
your file system (but that may introduce other side-effects)


2009/3/5 Jeremy Sutton <jeremy.sutton_at_thrivent.com>

> I am experimenting with migrating PVCS data to Subversion. I am using SVN
> Importer provided by Polarion (
> http://www.polarion.org/index.php?page=overview&project=svnimporter) .
> This tool creates a svn dump file which I then load into a Subversion
> repository.
> The problem that I am running into is that the dump file created is 5.5MB
> but when I load it into subversion using
> svnadmin load -q f:/svnRepos/Repository < dump-file.txt
> the disk space used jumps up to 32.3MB. I have tried this many times and I
> get the same result each time. Is there reason why the repository would take
> more space than the dump file?
> I would appreciate any help you can give me,
> Thanks,
> Jeremy Sutton
> Systems Analyst
> Platform Engineering
> 625 Fourth Ave. S., Minneapolis, MN 55415-1665
> Direct: 612-844-7245
> Cell: 952-212-9809
> Toll-free: 800-847-4836, ext. 37245
> Email: *jeremy.sutton_at_thrivent.com* <jeremy.sutton_at_thrivent.com>
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Received on 2009-03-06 20:48:46 CET

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