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  1. Lustre
  2. LU-12520

reserve lru pages for read in batch

Details

    • Improvement
    • Resolution: Fixed
    • Minor
    • Lustre 2.13.0
    • None
    • None
    • 9223372036854775807

    Description

      The benefit of doing this is to reduce contention against atomic counter cl_lru_left by changing it from per-page access to per-IO access.

      Attachments

        Activity

          [LU-12520] reserve lru pages for read in batch
          pjones Peter Jones added a comment -

          Landed for 2.13

          pjones Peter Jones added a comment - Landed for 2.13
          gerrit Gerrit Updater added a comment -

          Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/35440/
          Subject: LU-12520 osc: reserve lru pages for read in batch
          Project: fs/lustre-release
          Branch: master
          Current Patch Set:
          Commit: 0692dadfba87b963f1209defff81be7e6196c38e

          gerrit Gerrit Updater added a comment - Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/35440/ Subject: LU-12520 osc: reserve lru pages for read in batch Project: fs/lustre-release Branch: master Current Patch Set: Commit: 0692dadfba87b963f1209defff81be7e6196c38e
          gerrit Gerrit Updater added a comment -

          Wang Shilong (wshilong@ddn.com) uploaded a new patch: https://review.whamcloud.com/35440
          Subject: LU-12520 osc: reserve lru pages for read in batch
          Project: fs/lustre-release
          Branch: master
          Current Patch Set: 1
          Commit: 6be5284976816e7b1d452618bacc6b13f4491b37

          gerrit Gerrit Updater added a comment - Wang Shilong (wshilong@ddn.com) uploaded a new patch: https://review.whamcloud.com/35440 Subject: LU-12520 osc: reserve lru pages for read in batch Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 6be5284976816e7b1d452618bacc6b13f4491b37

          People

            wshilong Wang Shilong (Inactive)
            wshilong Wang Shilong (Inactive)
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            Dates

              Created:
              Updated:
              Resolved: