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Re: Troubleshoot clone issue to NFS.

From
Duy Nguyen <pclouds@gmail.com>
Date
May 21, 2015, 14:38 UTC
Message-ID
<CACsJy8Cs6GcRQ-kgnSqwxP4MPHfds9qiir1_O1hc5cZ+0QP-EA@mail.gmail.com>
In-Reply-To
<CACsJy8AMhEKe-eM7jvYcEx+7ZmfvdD+p1s4VYHjKuAwZsDWc-w@mail.gmail.com>
On Thu, May 21, 2015 at 9:31 PM, Duy Nguyen <pclouds@gmail.com> wrote:
> In case an object is not found pack directory
> is re-read again, which might cause some increased load on nfs.
> has_sha1_file() not finding the object should not happen often..

That last statement is probably very wrong, but I have no time to test this now. In index-pack, there is a has_sha1_file() for file collision test. That call on a fresh clone would fail for _every_ object in the (new) pack and the cost of reprepare pack files could be sky high...

-- 
Duy
Previous: Duy NguyenNext: steve.norman@thomsonreuters.com
Message 4 of 32 in “Troubleshoot clone issue to NFS.”
  1. steve.norman@thomsonreuters.comMay 21, 2015
  2. Christian CouderMay 21, 2015
  3. Duy NguyenMay 21, 2015
  4. Duy NguyenMay 21, 2015
  5. steve.norman@thomsonreuters.comMay 21, 2015
  6. Duy NguyenMay 22, 2015
  7. Jeff KingMay 22, 2015
  8. steve.norman@thomsonreuters.comMay 22, 2015
  9. Duy NguyenMay 22, 2015
  10. Junio C HamanoMay 22, 2015
  11. steve.norman@thomsonreuters.comMay 22, 2015
  12. 0/3 using stat() to avoid re-scanning pack dirJeff King, May 22, 2015
  13. 1/3 stat_validity: handle non-regular filesJeff King, May 22, 2015
  14. Michael HaggertyMay 23, 2015
  15. Jeff KingMay 24, 2015
  16. 2/3 cache.h: move stat_validity definition upJeff King, May 22, 2015
  17. 3/3 prepare_packed_git: use stat_validity to avoid re-reading packsJeff King, May 22, 2015
  18. Duy NguyenMay 23, 2015
  19. Duy NguyenMay 23, 2015
  20. Jeff KingMay 24, 2015
  21. Duy NguyenMay 24, 2015
  22. steve.norman@thomsonreuters.comJun 5, 2015
  23. Jeff KingJun 5, 2015
  24. index-pack: avoid excessive re-reading of pack directoryJeff King, Jun 5, 2015
  25. Jeff KingJun 9, 2015
  26. Jeff KingJun 9, 2015
  27. Shawn PearceJun 10, 2015
  28. Jeff KingJun 10, 2015
  29. Duy NguyenJun 10, 2015
  30. Shawn PearceJun 10, 2015
  31. steve.norman@thomsonreuters.comJun 5, 2015
  32. Jeff KingJun 16, 2015

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