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  1. Lustre
  2. LU-13386

allow over reservation to cover current read

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Details

    • Bug
    • Resolution: Fixed
    • Minor
    • Lustre 2.14.0
    • None
    • None
    • 3
    • 9223372036854775807

    Description

      ll_ra_count_get() is designed to allow over reservation for performance reasons, this could happen that multiple threads consuming a small readahead window limit, it will fallback to small 4K read which hurts performances.

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          is related to

          Improvement - An improvement or enhancement to an existing feature or task. LU-12043 improve Lustre single thread read performances

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

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              wshilong Wang Shilong (Inactive)
              wshilong Wang Shilong (Inactive)
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                Created:
                Updated:
                Resolved: