RE: Simple repository size experiment

This isn't an issue for me, but I can provide another data point:

Size of uncompressed tar file of CVS repo: 172 MiB
Size of compressed tar file of CVS repo: 128 MiB

After running cvs2svn from svn-0.24.2 and removing all log files in the
db directory:

Size of uncompressed dump file from cvs2svn: 191 MiB
Size of compressed dump file from cvs2svn: 133 MiB

Size of uncompressed tar file of SVN repo: 211 MiB
Size of compressed tar file of SVN repo: 144 MiB

So SVN is bigger for me as well, but only by ~12%.

--
Graham Johnson
gjohnson@alpineaccess.com
-----Original Message-----
From: Tobias Ringström [mailto:tobias@ringstrom.mine.nu] 
Sent: Thursday, July 10, 2003 12:07 PM
To: dev@subversion.tigris.org
Subject: Simple repository size experiment
After yesterdays thread about my SVN repo that became much larger than 
the CVS repo it was converted from, I've been experimenting a bit and 
thought I should share the results. The repository I was talking about 
yesterday contains data that I cannot share with the world.
Until I've come up with a public repository with the same properties, 
I've downloaded a part of the XFree86 CVS tree, namely xc/programs (or 
xc-clients according to cvsup). The CVS repository has 2560 files and 
1551 revisions after the conversion to SVN. I'm using "bzip2 -9" for the 
compression mentioned below.
Size of uncompressed tar file of CVS repo: 53 MiB
Size of compressed tar file of CVS repo: 11 MiB
After running cvs2svn from svn-0.24.2 and removing all log files in the 
db directory:
Size of uncompressed dump file from cvs2svn: 246 MiB
Size of compressed dump file from cvs2svn: 48 MiB
Size of uncompressed tar file of SVN repo: 59 MiB
Size of compressed tar file of SVN repo: 20 MiB
 From reading this list, I really expected SVN repositories to be 
smaller than CVS repories, but so far I've not seen any evidence of 
that. It's not a lot worse than CVS, but it is definately worse. After 
compression, it loses by a factor of two. I'm hoping that there is a 
simple bug somewhere... :-)
/Tobias
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