Plans for Loggerhead

[Robert Collins]

On Wed, 2009-01-07 at 00:43 -0200, Martin Albisetti wrote:
> On Wed, Jan 7, 2009 at 12:34 AM, Robert Collins
> > I'd be extremely wary of overlapping with bzrlib here; fundamentally the
> > basics of loggerhead should be very thinly layered on bzrlib, if
> > something is too slow to show to a user in web time using bzrlib
> > directly, anything added on top is just complexity that will interfere
> > as bzrlib gets fixed to be fast enough. This has happened a few times
> > already - and when I look at loggerhead performance on brisbane core its
> > mainly using convoluted approaches on top of bzrlib api's that are
> > slower than they should be on production branches.
> 
> I fully agree. The problem is that I don't have the knowledge to dive
> into bzrlib and do the fundamental changes needed, and many of the
> performance problems have been well known for quite a while (ie,
> revnos), and nobody has managed to find time to fix it. It's the
> nature of all projects, so it's perfectly understandable. I'm just
> trying to take an approach I can handle myself, and fundamentally
> fixes the problems we have today.

Well, what I'm trying to say is that if the fix is worse than the
disease its not really a fix.

> There's also something else, which has nothing to do with bzr at all,
> which is the need to refactor the internals of Loggerhead to make it
> less painful to keep on adding features. My thoughts where, if I'm
> going to be re-writing, I'd rather take on the opportunity and think
> about it more broadly.

I totally agree with improving the internals.

-Rob
-- 
GPG key available at: <http://www.robertcollins.net/keys.txt>.
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