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Re: Dump sizes

From: John Szakmeister <john_at_szakmeister.net>
Date: 2005-06-20 11:19:01 CEST

On Monday 20 June 2005 02:09, Chris Jensen wrote:
> Hi All,
> I've been examining my backups created by svnadmin dump and have some
> concerns.
>
> According to the subversion book:
> "By default, the dump file will be quite large—much larger than the
> repository itself."

I believe when that line was written, we didn't have some of the options
we do now. Also, given that your repository is so small, I'm not
surprised that the dump is smaller than the repository. It takes a
little bit before overcoming other overheads in the storage backend. :-)

> However, I'm having a look at my repository and the backups:
> Original Repository size 11 MB
> svnadmin --deltas -r 0:408 2.4 MB
>
> I then created another repository using svnadmin load < dump
> Repository recreated from backup 12 MB
>
> Then I thought I'd check what the full backup takes instead of --deltas
> svnadmin -r 0:408 5.8 MB
>
> I'm using subversion 1.1.3 on Gentoo Linux with a bdb repository, the
> repository contains server configuration, so is almost entirely text.
> I used du -sh to get the sizes.
>
> I've then run some svn ls, log and cat commands on the repository
> created from the backups and all seems well.
>
> Is this normal? Should I be concerned?

As long as you aren't seeing errors in the dump process, you're fine.

-John

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Received on Mon Jun 20 11:21:12 2005

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