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Re: WCNG - Upgrading working copies

From: Stefan Sperling <stsp_at_elego.de>
Date: Fri, 26 Nov 2010 14:02:02 +0100

On Fri, Nov 26, 2010 at 02:05:55PM +1000, Daniel Becroft wrote:
> Hi,
>
> I'm currently trialling the nightly builds that Stefan is providing for
> TSVN, which include the new WCNG implementation. So far, it all looks good.
> It takes a few minutes extra to checkout a working copy, but the day-to-day
> performance difference (to me) is not noticeable. Good stuff!
>
> One thing I did notice, though, is the performance of the 'svn upgrade'
> functionality. It seems to take, on average, 3x longer to upgrade an
> existing working copy than to just delete and checkout again.
>
> Checkout (1.6.x): 9 minutes
> Checkout (1.7.x): 14 minutes
> Upgrade (1.7.x): 43 minutes
>
> Is this kind of performance hit during an upgrade expected? Is the
> recommended upgrade option expected to be to use 'svn upgrade' or do get a
> fresh checkout?
>
> If you need stats regarding the working copy, I can provide them.

Please keep benchmarking and reporting your results.
The current state of wc-ng development is, AFAIK, that we're still
working out some final steps in the implementation. We're not yet at
the point where we're heavily trying to optimize the new code.
But any report about slowness will help once we've reached that point.
Keep them coming.

Thanks,
Stefan
Received on 2010-11-26 14:02:48 CET

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