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  1. Lustre
  2. LU-13132

osd-zfs to cache dbufs

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

    Description

      dbuf lookup is relatively expensive in ZFS. in some cases working set of dbufs is tiny and very predictable. for example, for llog - we append (i.e. write to the last block) and update the header (the first block).

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            bzzz Alex Zhuravlev
            bzzz Alex Zhuravlev
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              Updated:
              Resolved: