[RFC] store inventory in tab-separated file

Robert Collins robertc at robertcollins.net
Thu Apr 5 07:26:02 BST 2007

On Thu, 2007-04-05 at 01:32 -0400, Aaron Bentley wrote:
> Another thing we could look at is a multi-parent delta format.
> I have a sneaking suspicion that merges are wasting a lot of space.
> Our
> deltas are always against the first parent, so in a merge, all lines
> introduced by the second parent will be new in the delta.  That gets
> repeated every time someone else does a merge of the same revision.
> So in a repository, the same lines introduced by the second parent
> will
> occur over and over again.
> I've got an idea for what a multi-parent delta format would look like,
> but it's too late at night for drawing up specs. 

That might be very interesting. It might win us another 25% too, given
our mainline:branches ratio - or even more.


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