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Re: Achieving efficient storage of weirdly structured repos

From
Jeff King <peff@peff.net>
Date
Apr 7, 2008, 00:18 UTC
Message-ID
<20080407001833.GA16558@sigill.intra.peff.net>
In-Reply-To
<alpine.LFD.1.00.0804062000240.2947@xanadu.home>
On Sun, Apr 06, 2008 at 08:13:10PM -0400, Nicolas Pitre wrote:
Show 5 quoted lines
> Well, in your example, the large image part should already be common to 
> many objects due to deltas if they're really the same: different objects 
> will only have different EXIF data plus a delta reference to the same 
> base image object. So in a way the split is already there.  Needs only 
> that some applications exploit this information at runtime.

Yes, the resulting packfiles find the deltas and are pretty efficient (although it is quite slow to pack). However, the delta information is not used at all for inexact rename detection. Are you proposing to make that information available to the rename detector?

-Peff
Previous: Nicolas PitreNext: Nicolas Pitre
Message 13 of 14 in “Achieving efficient storage of weirdly structured repos”
  1. Roman ShaposhnikApr 3, 2008
  2. Linus TorvaldsApr 3, 2008
  3. Jakub NarebskiApr 4, 2008
  4. Nicolas PitreApr 4, 2008
  5. Pieter de BieApr 4, 2008
  6. Shawn O. PearceApr 5, 2008
  7. Roman ShaposhnikApr 4, 2008
  8. Linus TorvaldsApr 4, 2008
  9. Roman ShaposhnikApr 6, 2008
  10. Linus TorvaldsApr 6, 2008
  11. Jeff KingApr 6, 2008
  12. Nicolas PitreApr 7, 2008
  13. Jeff KingApr 7, 2008
  14. Nicolas PitreApr 7, 2008

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