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  1. Lustre
  2. LU-16797

improve numeric NID to CPT hashing

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Details

    • Improvement
    • Resolution: Fixed
    • Minor
    • Lustre 2.16.0
    • None
    • None
    • 3
    • 9223372036854775807

    Description

      Testing shows that the sum-by-multiplication of nid bytes method for hashing a NID to a CPT does not have good distribution for gnilnd and kfilnd NIDs. For these LNDs, use the old hash_long() method.

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          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-17752 Advanced hash function for better CPT allocation

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

          Technical task - A technical task. LU-14676 Better hash distribution to different CPTs when LNET router is exist

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

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              hornc Chris Horn
              hornc Chris Horn
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              Dates

                Created:
                Updated:
                Resolved: