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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
            pjones Peter Jones made changes -
            Link Original: This issue is related to JFC-17 [ JFC-17 ]
            pjones Peter Jones made changes -
            Link New: This issue is related to JFC-20 [ JFC-20 ]
            pjones Peter Jones made changes -
            Labels Original: LTS nasa
            adilger Andreas Dilger made changes -
            Link New: This issue is related to LU-11092 [ LU-11092 ]
            adilger Andreas Dilger made changes -
            Link New: This issue is related to NEC-56 [ NEC-56 ]
            pjones Peter Jones made changes -
            Link New: This issue is duplicated by LU-11100 [ LU-11100 ]
            pjones Peter Jones made changes -
            Labels Original: LTS New: LTS nasa
            pjones Peter Jones made changes -
            Link Original: This issue is related to JFC-26 [ JFC-26 ]
            mdiep Minh Diep made changes -
            Fix Version/s New: Lustre 2.10.5 [ 14003 ]
            pjones Peter Jones made changes -
            Link New: This issue is related to JFC-26 [ JFC-26 ]

            People

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

                Created:
                Updated:
                Resolved: