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Re: [PATCH 0/5] Suggested for PU: revision caching system to significantly speed up packing/walking

From
Jeff King <peff@peff.net>
Date
Aug 8, 2009, 02:50 UTC
Message-ID
<20090808025055.GA14731@coredump.intra.peff.net>
In-Reply-To
<7vzlabp7e4.fsf@alter.siamese.dyndns.org>
On Fri, Aug 07, 2009 at 03:48:51PM -0700, Junio C Hamano wrote:
Show 6 quoted lines
> > The cache file for all of the linux repository (as of a few weeks ago)
> > is around 42MB, without names.  The names would probably add 2 or 3 MB
> > on top of that.  That's probably about as big as I'd want to get,
> 
> Hmm.  .git/objects/ as of today is about 482M here, so we are talking
> about roughly 10% overhead?

IIRC from previous discussions, kernel.org's main performance problem is I/O, not CPU. Are there any provisions for sharing rev-caches between similar repositories, as we already do for objects?

-Peff
Previous: Nick EdelenNext: Junio C Hamano
Message 33 of 34 in “Suggested for PU: revision caching system to significantly speed up packing/walking”
  1. 0/5 Suggested for PU: revision caching system to significantly speed up packing/walkingNick Edelen, Aug 6, 2009
  2. Johannes SchindelinAug 6, 2009
  3. Michael J GruberAug 6, 2009
  4. Nick EdelenAug 6, 2009
  5. Johannes SchindelinAug 6, 2009
  6. Nick EdelenAug 6, 2009
  7. Nick EdelenAug 6, 2009
  8. Shawn O. PearceAug 6, 2009
  9. A Large Angry SCMAug 6, 2009
  10. Shawn O. PearceAug 6, 2009
  11. A Large Angry SCMAug 6, 2009
  12. Nick EdelenAug 7, 2009
  13. Johannes SchindelinAug 7, 2009
  14. Nicolas PitreAug 7, 2009
  15. Sam VilainAug 7, 2009
  16. Nicolas PitreAug 7, 2009
  17. Johannes SchindelinAug 7, 2009
  18. Nicolas PitreAug 7, 2009
  19. Johannes SchindelinAug 8, 2009
  20. Junio C HamanoAug 8, 2009
  21. Sam VilainAug 8, 2009
  22. Nicolas PitreAug 9, 2009
  23. Nick EdelenAug 9, 2009
  24. Johannes SchindelinAug 7, 2009
  25. Nicolas PitreAug 7, 2009
  26. Nick EdelenAug 7, 2009
  27. Junio C HamanoAug 7, 2009
  28. Nick EdelenAug 7, 2009
  29. Junio C HamanoAug 8, 2009
  30. Nick EdelenAug 8, 2009
  31. Jeff KingAug 8, 2009
  32. Nick EdelenAug 8, 2009
  33. Jeff KingAug 8, 2009
  34. Junio C HamanoAug 8, 2009

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