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Re: [PATCH 2/5] add object-cache infrastructure

From
Jakub Narebski <jnareb@gmail.com>
Date
Jul 12, 2011, 10:41 UTC
Message-ID
<201107121241.40242.jnareb@gmail.com>
In-Reply-To
<20110711161754.GB10418@sigill.intra.peff.net>
On Mon, 11 July 2011, Jeff King wrote:
Show 14 quoted lines
> There is sometimes a need to cache some information about an
> object or set of objects persistently across git
> invocations. The notes-cache interface can be used for this,
> but it is very heavyweight and slow for storing small
> values.
> 
> This patch introduces a new API, object-cache, which stores
> a mapping of objects to values in a concise and efficient
> form. See the added API documentation for details.
> 
> Signed-off-by: Jeff King <peff@peff.net>
> ---
> As I mentioned earlier, I wanted this to be generic and size-agnostic,
> because I'd also like to try caching patch-ids for git-cherry.

Could this API be generalized to support "reverse cache", for example to map Subversion revision numbers to Git revision identifiers (for git-svn)?

-- 
Jakub Narebski
Poland
Previous: Miles BaderNext: Jeff King
Message 26 of 35 in “generation numbers for faster traversals”
  1. 0/5 generation numbers for faster traversalsJeff King, Jul 11, 2011
  2. 1/5 decorate: allow storing values instead of pointersJeff King, Jul 11, 2011
  3. Jeff KingJul 11, 2011
  4. Junio C HamanoJul 11, 2011
  5. Jeff KingJul 11, 2011
  6. 2/5 add object-cache infrastructureJeff King, Jul 11, 2011
  7. Jeff KingJul 11, 2011
  8. Shawn PearceJul 11, 2011
  9. Junio C HamanoJul 11, 2011
  10. Jeff KingJul 11, 2011
  11. Junio C HamanoJul 11, 2011
  12. Junio C HamanoJul 11, 2011
  13. Jeff KingJul 12, 2011
  14. Clemens BuchacherJul 12, 2011
  15. Jeff KingJul 12, 2011
  16. Clemens BuchacherJul 12, 2011
  17. Clemens BuchacherJul 12, 2011
  18. Jeff KingJul 12, 2011
  19. Clemens BuchacherJul 14, 2011
  20. Illia BobyrJul 14, 2011
  21. John SzakmeisterJul 13, 2011
  22. Illia BobyrJul 12, 2011
  23. Jeff KingJul 12, 2011
  24. Illia BobyrJul 12, 2011
  25. Miles BaderJul 12, 2011
  26. Jakub NarebskiJul 12, 2011
  27. Jeff KingJul 12, 2011
  28. Junio C HamanoJul 12, 2011
  29. Jeff KingJul 13, 2011
  30. Junio C HamanoJul 13, 2011
  31. 3/5 commit: add commit_generation functionJeff King, Jul 11, 2011
  32. Clemens BuchacherJul 11, 2011
  33. Jeff KingJul 11, 2011
  34. 4/5 pretty: support %G to show the generation number of a commitJeff King, Jul 11, 2011
  35. 5/5 limit "contains" traversals based on commit generationJeff King, Jul 11, 2011

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