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Re: [PATCH v3 03/16] index-helper: new daemon for caching index and related stuff

From
David Turner <dturner@twopensource.com>
Date
Apr 13, 2016, 00:32 UTC
Message-ID
<1460507524.5540.73.camel@twopensource.com>
In-Reply-To
<xmqqfuuqr9ca.fsf@gitster.mtv.corp.google.com>
On Tue, 2016-04-12 at 11:05 -0700, Junio C Hamano wrote:
Show 9 quoted lines
> > >  - access is slow (unless cached, but we can't be sure)
> > 
> > We could solve this (and the other problem) with mlock.
> 
> Probably you meant madvise(2)?
> 
> For something of a size comparable to the index file held by
> index-helper-daemon in-core, I'd expect we wouldn't page too
> badly.

No, I meant mlock -- but I guess that's not portable. madvise with MADV_WILLNEED will probably do the job.

Previous: Junio C HamanoNext: Duy Nguyen
Message 15 of 37 in “index-helper, watchman”
  1. 00/16 index-helper, watchmanDavid Turner, Apr 6, 2016
  2. 01/16 read-cache.c: fix constness of verify_hdr()David Turner, Apr 6, 2016
  3. 02/16 read-cache: allow to keep mmap'd memory after readingDavid Turner, Apr 6, 2016
  4. 03/16 index-helper: new daemon for caching index and related stuffDavid Turner, Apr 6, 2016
  5. Johannes SixtApr 7, 2016
  6. Johannes SchindelinApr 7, 2016
  7. David TurnerApr 7, 2016
  8. Johannes SchindelinApr 8, 2016
  9. Duy NguyenApr 8, 2016
  10. David TurnerApr 8, 2016
  11. David TurnerApr 11, 2016
  12. Duy NguyenApr 12, 2016
  13. David TurnerApr 12, 2016
  14. Junio C HamanoApr 12, 2016
  15. David TurnerApr 13, 2016
  16. Duy NguyenApr 14, 2016
  17. Junio C HamanoApr 14, 2016
  18. David TurnerApr 14, 2016
  19. Duy NguyenApr 15, 2016
  20. Junio C HamanoApr 15, 2016
  21. 04/16 index-helper: add --strictDavid Turner, Apr 6, 2016
  22. 05/16 daemonize(): set a flag before exiting the main processDavid Turner, Apr 6, 2016
  23. 06/16 index-helper: add --detachDavid Turner, Apr 6, 2016
  24. 07/16 read-cache: add watchman 'WAMA' extensionDavid Turner, Apr 6, 2016
  25. 08/16 Add watchman support to reduce index refresh costDavid Turner, Apr 6, 2016
  26. 09/16 index-helper: use watchman to avoid refreshing index with lstat()David Turner, Apr 6, 2016
  27. Junio C HamanoApr 7, 2016
  28. Junio C HamanoApr 7, 2016
  29. David TurnerApr 8, 2016
  30. Junio C HamanoApr 8, 2016
  31. 10/16 update-index: enable/disable watchman supportDavid Turner, Apr 6, 2016
  32. 11/16 unpack-trees: preserve index extensionsDavid Turner, Apr 6, 2016
  33. 12/16 index-helper: kill modeDavid Turner, Apr 6, 2016
  34. 13/16 index-helper: don't run if already runningDavid Turner, Apr 6, 2016
  35. 14/16 index-helper: autorun modeDavid Turner, Apr 6, 2016
  36. 15/16 index-helper: optionally automatically runDavid Turner, Apr 6, 2016
  37. 16/16 read-cache: config for waiting for index-helperDavid Turner, Apr 6, 2016

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