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Re: Disk space usage

From: Martin Eisenhardt <martin.eisenhardt_at_wiai.uni-bamberg.de>
Date: 2005-09-30 11:42:46 CEST

Hi,

On Friday September 30 2005 11:16, Ximon Eighteen wrote:
> Jon Sporring wrote:
> > Hi,
> >
> > We've recently converted a cvs repository into a subversion using cvs2svn
> > and FSFS. We experince the following problem: The repository on the
> > server is only 5.5GB, which is half the size of the original cvs
> > repository 11GB, but when I checkout the trunk, then the resulting
> > working copy is almost twice the size, 19GB, of the original checkout of
> > the cvs repository. We do have large binary files, which we use as a
> > method of file-sharing, and I realize, that this will cause the file to
> > be present in the working copy twice: in the .svn directory and in the
> > corresponding place of work. However, it would appear that the
> > subversion repository uses compression; does anyone know of a simple way
> > to enforce compression on the .svn directories or any other smart trick
> > to reduce the size of the working copy?
>
> Don't take my word for any of this, just ideas.
>
> "half the size" - this might be due to Subversion using a more efficient
> storage mechanism than CVS.
>
> "twice the size" - I think this is normal because Subversion stores a
> local copy of your content when checkout so that diffs to determine
> local modifications are much faster (don't require network activity).

I think he might have guessed that already, judging by his original posting.
One suggestion to Jon: if you use MS Windoze you might want to turn on file
system compression - it might save some space on the text files while the
binaries will probably stay the same size.

HTH and greetings
Martin

>
>
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-- 
Dipl. Wirtsch.Inf.(Univ.) Martin Eisenhardt
Otto-Friedrich-Universität Bamberg
Fakultät Wirtschaftinformatik und Angewandte Informatik
Lehrstuhl für Medieninformatik
D-96045 Bamberg
fon: +49 (951) 863-2856
fax: +49 (951) 863-2852
www: http://www.mneisen.org
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Received on Fri Sep 30 11:45:04 2005

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