[RFC]: preparing for Blob storage

Robert Collins robertc at robertcollins.net
Mon May 29 23:56:15 BST 2006


On Fri, 2006-05-26 at 19:11 -0500, John Arbash Meinel wrote:
> Robert Collins wrote:
> ...
> 
> > There may be other conceptual changes required. What we are trying to do
> > is to prepare the code base now, for this in the future, with the
> > following guiding principals:
> >  * we dont want any performance degradation
> >  * we're not worried about getting it absolutely right, just close
> > enough that a blob repository plugin is possible.
> > 
> > This email is essentially a heads up and solicitation for opinions on
> > this - is it reasonable to merge to the mainline as things are
> > completed, or should we treat it as a long lived feature branch?
> > 
> > Rob
> > 
> 
> Well, since we just had a stable release, I think we can do the 'get it
> into mainline so it doesn't bit rot'. Unless you object, that is how
> Aaron and I are planning on handling Changesets.

I agree with both of these.

> But it depends how invasive it is going to be. If it was only minimally
> invasive, a feature branch can be maintained without too much
> difficulty. I think we would need the Revision api changes to be in
> core, though. So that plugins, etc can realize that they shouldn't be
> using those functions.

Somewhat dramatic I think. There are some larger refactorings to do to
make the api compatible with a blob concept.

Rob
-- 
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