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Re: [PATCH v12 05/20] index-helper: add --strict

From
Duy Nguyen <pclouds@gmail.com>
Date
Jun 25, 2016, 14:43 UTC
Message-ID
<CACsJy8BbfjoyTpgB6+rgHW-HORjs20KLP-gU2q19Od1HgjkYcA@mail.gmail.com>
In-Reply-To
<1463694357-6503-6-git-send-email-dturner@twopensource.com>
On Thu, May 19, 2016 at 11:45 PM, David Turner <dturner@twopensource.com> wrote:
Show 8 quoted lines
> +--strict::
> +--no-strict::
> +       Strict mode makes index-helper verify the shared memory after
> +       it's created. If the result does not match what's read from
> +       $GIT_DIR/index, the shared memory is destroyed. This makes
> +       index-helper take more than double the amount of time required
> +       for reading an index, but because it will happen in the
> +       background, it's not noticable.

Slightly off-topic, but for big indexes, running by a script or something, then the window for reading/verifying is not big and this strict verification will become noticable.

>  `--strict` is enabled by default.

.. so we probably still want --strict by default for now. After this feature exits the experimental stage, we can switch it off.

-- 
Duy
Previous: David TurnerNext: David Turner
Message 18 of 49 in “index-helper/watchman”
  1. 00/20 index-helper/watchmanDavid Turner, May 19, 2016
  2. 01/20 read-cache.c: fix constness of verify_hdr()David Turner, May 19, 2016
  3. 02/20 read-cache: allow to keep mmap'd memory after readingDavid Turner, May 19, 2016
  4. 03/20 pkt-line: add gentle version of packet_writeDavid Turner, May 19, 2016
  5. Duy NguyenJun 25, 2016
  6. 04/20 index-helper: new daemon for caching index and related stuffDavid Turner, May 19, 2016
  7. Christian CouderJun 17, 2016
  8. Duy NguyenJun 25, 2016
  9. Duy NguyenJun 25, 2016
  10. David TurnerJun 25, 2016
  11. Duy NguyenJun 26, 2016
  12. David TurnerJun 26, 2016
  13. Duy NguyenJun 27, 2016
  14. Eric WongJun 26, 2016
  15. David TurnerJun 26, 2016
  16. Eric WongJun 26, 2016
  17. 05/20 index-helper: add --strictDavid Turner, May 19, 2016
  18. Duy NguyenJun 25, 2016
  19. 06/20 daemonize(): set a flag before exiting the main processDavid Turner, May 19, 2016
  20. 07/20 index-helper: add --detachDavid Turner, May 19, 2016
  21. Duy NguyenJun 25, 2016
  22. 08/20 index-helper: log warningsDavid Turner, May 19, 2016
  23. 09/20 read-cache: add watchman 'WAMA' extensionDavid Turner, May 19, 2016
  24. Duy NguyenJun 25, 2016
  25. 10/20 watchman: support watchman to reduce index refresh costDavid Turner, May 19, 2016
  26. Christian CouderJun 17, 2016
  27. 11/20 index-helper: use watchman to avoid refreshing index with lstat()David Turner, May 19, 2016
  28. Duy NguyenJun 17, 2016
  29. David TurnerJun 17, 2016
  30. David TurnerJun 19, 2016
  31. David TurnerJun 23, 2016
  32. Duy NguyenJun 23, 2016
  33. Duy NguyenJun 25, 2016
  34. 12/20 update-index: enable/disable watchman supportDavid Turner, May 19, 2016
  35. Duy NguyenJun 25, 2016
  36. 13/20 unpack-trees: preserve index extensionsDavid Turner, May 19, 2016
  37. 14/20 watchman: add a config option to enable the extensionDavid Turner, May 19, 2016
  38. 15/20 index-helper: kill modeDavid Turner, May 19, 2016
  39. 16/20 index-helper: don't run if already runningDavid Turner, May 19, 2016
  40. Christian CouderJun 17, 2016
  41. 17/20 index-helper: autorun modeDavid Turner, May 19, 2016
  42. Duy NguyenJun 25, 2016
  43. 18/20 index-helper: optionally automatically runDavid Turner, May 19, 2016
  44. Duy NguyenJun 25, 2016
  45. 19/20 trace: measure where the time is spent in the index-heavy operationsDavid Turner, May 19, 2016
  46. 20/20 index-helper: indexhelper.exitafter configDavid Turner, May 19, 2016
  47. Duy NguyenJun 25, 2016
  48. Duy NguyenJun 25, 2016
  49. David TurnerJun 26, 2016

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