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Re: cheap copies

From: Karl Fogel <kfogel_at_newton.ch.collab.net>
Date: 2002-11-08 19:25:10 CET

Ben Collins-Sussman <sussman@collab.net> writes:
> I've had a thought on my mind for a long time, and I'm craving
> resolution.
>
> Whenever we make a branch or tag (svn cp URL URL), it seems to take a
> disconcertingly long time for the commit to finish. I mean, it takes
> *noticeably* longer than when I simply commit a few file
> changes... like 10 seconds instead of 2 or 3.
>
> Something seems to be interfering with our magic O(1) copies.
>
> Maybe it's something within libsvn_fs, like walking the tree to make
> every node immutable? Maybe the post-commit-hook script is doing a
> full tree walk to discover it's a copy? There's an O(N) thing
> happening somewhere, and I'm about a hair away from filing an issue.
>
> Any thoughts?

No idea what it is, but I've noticed it too, yeah.

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Received on Fri Nov 8 19:58:25 2002

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