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Re: Question regarding svn_ra_do_update and delta data

From: Ph. Marek <philipp.marek_at_bmlv.gv.at>
Date: 2005-12-13 07:14:02 CET

Hello Greg,

On Monday 12 December 2005 19:46, Greg Hudson wrote:
> On Mon, 2005-12-12 at 08:27 +0100, Ph. Marek wrote:
> > I call svn_ra_do_update() and report my "working copy"-state. This is
> > currently everything at the last committed/checked out version.
> You've told the repository you have the base text for every file at the
> head revision. If you don't have that, use delete_path or the
> start_empty flag to tell it what you don't have.
Thank you. I must have missed this before.

How is that performance-wise for a wc of ~150000 files?
If this usage would imply telling the ra-layer (and everything behind it, ie
network and repository) that I've got 140000 files which are all empty - I
believe it's faster to use an status-editor, remember which files need to be
updated and get these with svn_ra_get_file(), possibly batched.

Or, possibly the best way performance-wise, I'd get an status, check which
files I _don't_ have anymore, and report only these with start_empty ...

I'll have a look.

> We do not have any rsync-like algorithm support which would allow
> fetching only the changed parts of files.
(Yet :-)
And there's no possibility to get specified chunks (yet) (?)

Thank you very much!



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Received on Tue Dec 13 07:14:42 2005

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