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Re: [w] cvs2svn: Conversion taking a very long time

From: Kai Bartels <kaba_at_picturesafe.de>
Date: 2004-03-08 11:11:49 CET

Hi Mike, hi *!

I experienced the same behaviour when trying to convert our local repository.
It has just about 2G, a lot of files, some of them 5 to 6 years old, some
with hundreds of revisions. I had the repository nfs-mounted to the machine
that ran cvs2svn and normally stopped the programm after a few days.

On the other hands there were reports on this list of a much larger repository
(about 10G) having been converted in just 10h. The important difference
maybe that it had much less overall revisions (don't remember exactly, maybe
12000).

I'm just now giving it a try with a newer version of cvs2svn and a local
copy of the repository (i.e. without nfs).

greetings, Kai

On Sun, Mar 07, 2004 at 10:18:08AM +0000, Mike Crowe wrote:
> I have been trying to convert a sizeable CVS repository to subversion using
> the version of cvs2svn on the 1.0.x branch in r8550. I realise that this
> isn't really the latest version but the reason for that will become clearer
> later.
>
> I've looked through the issue tracker and couldn't see anything
> particularly appropriate.
>
> The CVS repository is five years old, just under 2GB in size, has 622
> tags/branches and around 50000 files. The repository is a mixture of files
> that have had only one or a handful of revisions and files that have had
> several hundred revisions.
>
> I've left cvs2svn running for 25 days on an otherwise idle 1GHz P3 with
> python taking around 98% CPU. It doesn't appear to have used much swap. In
> that time it has "added or changed" nearly 130000 revisions and appears to
> have processed around 36000 of the files in the repository.
>
> So,
>
> 1. Is this the expected behaviour on a large repository with lots of tags and
> branches?
>
> 2. Is there anything I can do to the repository to make it faster? Some of
> the tags could probably be removed for example.
>
>
> Obviously having to wait over a month for the repository to be converted
> would severely impede our ability to migrate to Subversion :(
>
> --
> Mike Crowe
>
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-- 
"Reisen hat keinen Reiz, wenn du nirgendshin heimkehren kannst"
                                                              <Stanislaw Lem>
KBartels@picturesafe.de                  +                 www.picturesafe.de
picturesafe GmbH, Lueerstr. 3, D-30175 Hannover          fon:+49 511 85620 56
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Received on Mon Mar 8 11:19:56 2004

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