Low level storage update status

Ian Clatworthy ian.clatworthy at canonical.com
Thu Jul 31 09:13:34 BST 2008

Robert Collins wrote:
> So I've been doing some experimentation on real-low level storage
> changes, aided by John and with various other folk doing testing and
> feedback.

> I intend to keep plugging away at these formats over the next couple of
> weeks. What would be useful for me is folk to test the gc plugin and
> file bugs tagged groupcompress and btree if they have trouble; Running
> usertest over a gc-plain repository would be interesting though right
> now probably not terribly surprising :).

Thanks for the status update.

I have done some limited usertest runs using groupcompress and I'll do
more once the conversion speed is improved. Right now, it completely
dominates the time taken to run the tests, particularly for the big
interesting repos with deep history.

When we think the format is "stable" and the conversion is inserting
things in the optimal order needed to minimise size, I can do a
conversion of the big repos and keep those around for testing the
rest of the operations, say.

Ian C.

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