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  1. Lustre
  2. LU-18463

mdtest perfomance degradation after LU-16973

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Details

    • Bug
    • Resolution: Unresolved
    • Major
    • None
    • None
    • 3
    • 9223372036854775807

    Description

      With a "LU-16973 ptlrpc: flush delayed file desc if idle" we observed mdtest performance degradation. For directory creation it is about 40% for directory remove about 28%.

      The main idea to resolve this is removing flush to a separate thread.

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          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-16973 Busy device after successful umount

          • Major - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. LU-18152 Use __fput_sync when available

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

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              aboyko Alexander Boyko
              aboyko Alexander Boyko
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              Dates

                Created:
                Updated: