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Re: cvs2svn: Conversion taking a very long time

From: Brian W. Fitzpatrick <fitz_at_red-bean.com>
Date: 2004-03-07 23:07:51 CET

On Sun, 2004-03-07 at 11:10, Mike Crowe wrote:
> 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.
>
> On Sun, Mar 07, 2004 at 10:21:37AM -0600, Ben Collins-Sussman wrote:
> > What's the "clearer reason" for not using the latest cvs2svn?
>
> That it had been running for over 25 days.
>
> I'd actually tried to run it several times prior to that last run, mostly
> using the latest version available at the time and sometimes inserting
> print statements to try to narrow down what I incorrectly thought was an
> infinite loop. I may not have updated immediately prior to my last test
> run.
>
> > cvs2svn isn't officially 'released' in any sense of the word. It's even
> > moved to its own project now.
>
> Perhaps it could be removed from the 1.0.x branch and a placeholder README
> left in its place?
>
> > You need to repost this mail to the dev@cvs2svn.tigris.org mailing list,
> > but first, you need to try the conversion using the latest version of
> > cvs2svn. Check out a copy of http://svn.collab.net/repos/cvs2svn/trunk
> > to get it.
>
> OK. Thanks for your reply. I've set it running now and I'll see how far it
> has got after a few days.

Don't bother. I found a serious scalability issue in cvs2svn.py with
large repositories on Friday, and just haven't finished my analysis.
I'll post details on users@cvs2svn.tigris.org on Monday, but for now,
I'd suggest holding off on converting your repository.

-Fitz

PS The short explanation is that the anydbm db doesn't scale well to
hundreds of thousands of keys.

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Received on Sun Mar 7 23:08:11 2004

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