[RFC/PLEASETEST] Per-file graph heads detection during commit for pack repositories.

Robert Collins robertc at robertcollins.net
Tue Nov 20 08:17:34 GMT 2007


On Tue, 2007-11-20 at 14:55 +0900, James Henstridge wrote:
> On 13/11/2007, Robert Collins <robertc at robertcollins.net> wrote:
> > This is a call for testing.

> > It didn't speed it up nearly as much as I had hoped; I haven't yet
> > profiled this in detail; I'll look at that some more a bit later,
> > hopefully after feedback from other people - does this help or hinder
> > commit of merges on packs for you?
> 
> In my tests of packs, I ran into a few particularly slow "commit of
> merge" cases.
> 
> In one case, the commit took 1.25 hours to complete without this patch
> (this is quite a large tree).  After applying the patch, I was able to
> do the same operation in about 12 seconds.
> 
> So even if there are further possible performance enhancements, this
> one seems worthwhile persuing in and of itself.

Thank you for testing this; its good to know its faster for you. Can I
enquire how many packs you have in that repository ?

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