Re: predict disk space reduction while deleting a part of the repository

Antonietti, Francis wrote:
> Is it possible to predict how much I can reduce the whole repository (in
> bytes) by deleting some branches from the repository. I guess this
> should go somehow over the db logs but I have no idea how.

I can confidently predict that you will save precisely zero bytes (in
fact it will rise by a very small amount). ;-)

There is no obliterate command in subversion; deleting a branch merely
marks it as being deleted. All of it's history is preserved in whole
(in a fairly efficient compressed format).

The only [current] way to reduce the size of a repository is to use

        svnadmin dump | svndumpfilter | svnadmin load

and recreate the repo from scratch (minus the filtered revs). This will
unfortunately invalidate any existing working copies...

John

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Received on Wed Dec 19 17:00:28 2007