Plans for Loggerhead

Martin Albisetti argentina at
Wed Jan 7 03:17:43 GMT 2009

On Wed, Jan 7, 2009 at 1:11 AM, Robert Collins
<robertc at> wrote:
>> Does that apply to dotted revnos as well?
>> if it's "branch7.revision_id_to_revno", then it doesn't  :(
> John has done the most work on this I think; I'd need to climb into the
> code to answer more usefully.

I talked to John!
Quoting his email:

> Dotted revnos ATM are defined by loading the entire revision graph. So
> nothing we have is better.
> I did some work to do less that whole ancestry, but it isn't much
> better. We still end up loading it a lot of the graph.
> If we changed dotted revnos to start with the revision that merged them,
> we might be able to do a bit better.
> If you want to play with the branch, it is available here:


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