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  1. Lustre
  2. LU-11079

Control concurrent statahead instances

Details

    • Improvement
    • Resolution: Fixed
    • Major
    • Lustre 2.12.0, Lustre 2.10.5
    • None
    • None
    • 9223372036854775807

    Description

      It is found that if there are too many concurrent statahead instances, then related statahead RPCs may accumulate on the client import (for MDT) RPC lists (imp_sending_list/imp_delayed_list/imp_unreplied_lis), as to seriously affect the efficiency of spin_lock under the case of MDT overloaded or in recovery. Be as the temporarily solution, it is necessary to control the concurrent statahead instances.

      Attachments

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. LU-11100 Clients hangs in LNetMDUnlink

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-11092 NMI watchdog: BUG: soft lockup - CPU#12 stuck for 23s! [ptlrpcd_00_18:4222]

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Activity

            [LU-11079] Control concurrent statahead instances
            gerrit Gerrit Updater added a comment -

            John L. Hammond (jhammond@whamcloud.com) merged in patch https://review.whamcloud.com/32909/
            Subject: LU-11079 llite: control concurrent statahead instances
            Project: fs/lustre-release
            Branch: b2_10
            Current Patch Set:
            Commit: b52a1221bf1d655aacbef5b7d40b79fe6f51cef4

            gerrit Gerrit Updater added a comment - John L. Hammond (jhammond@whamcloud.com) merged in patch https://review.whamcloud.com/32909/ Subject: LU-11079 llite: control concurrent statahead instances Project: fs/lustre-release Branch: b2_10 Current Patch Set: Commit: b52a1221bf1d655aacbef5b7d40b79fe6f51cef4
            gerrit Gerrit Updater added a comment -

            Minh Diep (mdiep@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/32909
            Subject: LU-11079 llite: control concurrent statahead instances
            Project: fs/lustre-release
            Branch: b2_10
            Current Patch Set: 1
            Commit: b472454d5196eb56c1d919707c26a814caf97d2d

            gerrit Gerrit Updater added a comment - Minh Diep (mdiep@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/32909 Subject: LU-11079 llite: control concurrent statahead instances Project: fs/lustre-release Branch: b2_10 Current Patch Set: 1 Commit: b472454d5196eb56c1d919707c26a814caf97d2d
            pjones Peter Jones added a comment -

            Landed for 2.12

            pjones Peter Jones added a comment - Landed for 2.12
            gerrit Gerrit Updater added a comment -

            Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/32690/
            Subject: LU-11079 llite: control concurrent statahead instances
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: 164231a7a29b7203cd27ab624eddd5fb7c557b90

            gerrit Gerrit Updater added a comment - Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/32690/ Subject: LU-11079 llite: control concurrent statahead instances Project: fs/lustre-release Branch: master Current Patch Set: Commit: 164231a7a29b7203cd27ab624eddd5fb7c557b90
            gerrit Gerrit Updater added a comment -

            Fan Yong (fan.yong@intel.com) uploaded a new patch: https://review.whamcloud.com/32690
            Subject: LU-11079 llite: control concurrent statahead instances
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: 54c28ee42a227f6ea3966d8a07170078a90336c4

            gerrit Gerrit Updater added a comment - Fan Yong (fan.yong@intel.com) uploaded a new patch: https://review.whamcloud.com/32690 Subject: LU-11079 llite: control concurrent statahead instances Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 54c28ee42a227f6ea3966d8a07170078a90336c4

            People

              yong.fan nasf (Inactive)
              yong.fan nasf (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: