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Re: Simple repository size experiment

From: Tobias Ringström <tobias_at_ringstrom.mine.nu>
Date: 2003-07-11 12:19:56 CEST

Justin Erenkrantz wrote:

> --On Thursday, July 10, 2003 8:07 PM +0200 Tobias Ringström
> <tobias@ringstrom.mine.nu> wrote:
>> 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
> A dump file does not contain any deltas - only fulltexts. So, a dump
> isn't a good estimate of how large your repository is. -- justin

I know that, but I find it somewhat interesting that the compressed dump
size is around the same size as the compressed repository (with log
files removed).

For another (real) repository of mine, the compressed dump file is
*smaller* than the compressed repository. I mentioned that on this list
a long time ago, and "everyone" just figured that I must have a very
strange repository since the vdelta is supposed to be soo great. I wish
I could see that. The propaganda (lacking a better word, sorry) has been
soo successful that I'm still very surprised every time I see that a
subversion repository becomes larger than the CVS equivalent. :-)

The one reason that I converted the repository containing binary files I
wrote about in the thread "SVN dumps much bigger than CVS repository"
was that I wanted to show our CM that a subversion repository would be
much smaller than a CVS repository. It was three time larger than the
CVS repo. Fortunately he forgot about my little demonstration before I
went on vacation... :-)


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Received on Mon Jul 14 13:11:45 2003

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