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Re: Speedup of svn on NFS?

From: Erik Huelsmann <ehuels_at_gmail.com>
Date: Wed, 25 Jun 2008 23:56:01 +0200

On Mon, Jun 23, 2008 at 11:05 PM, Alfred Perlstein <bright_at_mu.org> wrote:
> Hey guys, I've been doing some analysis of SCM tools for my company,
> one thing I've been noticing is that they do many filesystem meta-data
> operations that _appear_ to be unncessary.

There used to be many of them, not only on the meta-data level, but
even copying entire files. It has to do with the design of the working
copy library and the layering in it. Did you analyse the 1.5 version?
At least 1.5 should be a bit better than earlier versions.

> For instance, when doing a "svn checkout" I'll see ".svn/tmp/entries"
> created many times, and then renamed over ".svn/entries".
> Is there any way to reduce these items when you _know_ you're going
> to be working in isolation?

> Could this be made any faster by just updating the files in place?

No, because none of it has to do with 'working in isolation': this has
to do with 'working copy correctness'.

> It would really add up.

Yup. It's a known problem; we hope to address it in a new design of
the working copy.



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Received on 2008-06-25 23:56:21 CEST

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