[PATCH] Add script to rewrite manifest to workaround lack of parent deltas
benoit.boissinot at ens-lyon.org
Wed Aug 26 05:27:07 CDT 2009
On Wed, Aug 26, 2009 at 02:09:07PM +0400, Maxim Dounin wrote:
> On Wed, Aug 26, 2009 at 12:36:55AM +0200, Benoit Boissinot wrote:
> > On Tue, Aug 25, 2009 at 04:16:23PM +0200, Benoit Boissinot wrote:
> > > On Mon, Aug 24, 2009 at 05:16:18PM -0400, Greg Ward wrote:
> > > > # HG changeset patch
> > > > # User Greg Ward <greg-hg at gerg.ca>
> > > > # Date 1233047576 0
> > > > # Node ID 9235025c8eb4219a045b8c9d3e95ce5079b2488d
> > > > # Parent 20ed9909dbd9251f76cacb463c480488eebf736b
> > > > Add script to rewrite manifest to workaround lack of parent deltas.
> > >
> > > I tested it in the kernel repo, and there are some nodes with duplicate
> > > parents (p1 = p2), so it needs the fix below.
> > The result on a fresh clone of the kernel repo (158152 revs in the
> > manifest):
> > old file size: 703584066 bytes ( 671.0 MiB)
> > new file size: 177162218 bytes ( 169.0 MiB)
> > shrinkage: 74.8% (4.0x)
> > I didn't clone the whole repo, so I don't know how big it is, but I
> > think the manifest is 1/2 or 1/3 of it. It would be nice if someone
> > could check.
> Just in case it's still intresting:
> $ du -sh . .hg .hg/store/00manifest.d
> 1.4G .
> 1.0G .hg
> 672M .hg/store/00manifest.d
Impressive, so it's actually a shrinkage of 50% overall!
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