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  1. Lustre
  2. LU-11079

Control concurrent statahead instances

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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.

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          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

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              yong.fan nasf (Inactive)
              yong.fan nasf (Inactive)
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                Created:
                Updated:
                Resolved: