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  1. Lustre
  2. LU-17422

unaligned DIO: use page pools

Details

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

    Description

      A significant portion of the time spent in unaligned DIO is spent in allocating buffers.  We should use page pools for this.

      This ticket will track the work required for that.

      Attachments

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-13802 New i/o path: Buffered i/o as DIO

          • Major - Major loss of function.
          • Open

          Improvement - An improvement or enhancement to an existing feature or task. LU-13805 i/o path: Unaligned direct i/o

          • Major - Major loss of function.
          • Open

          Improvement - An improvement or enhancement to an existing feature or task. LU-16724 generic page pool

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

          Activity

            [LU-17422] unaligned DIO: use page pools
            pjones Peter Jones made changes -
            Fix Version/s New: Lustre 2.16.0 [ 15190 ]
            Resolution New: Fixed [ 1 ]
            Status Original: Open [ 1 ] New: Resolved [ 5 ]
            adilger Andreas Dilger made changes -
            Link New: This issue is related to LU-16724 [ LU-16724 ]
            paf0186 Patrick Farrell made changes -
            Link New: This issue is related to LU-13802 [ LU-13802 ]
            paf0186 Patrick Farrell made changes -
            Link New: This issue is related to LU-13805 [ LU-13805 ]
            paf0186 Patrick Farrell created issue -

            People

              paf0186 Patrick Farrell
              paf0186 Patrick Farrell
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              Dates

                Created:
                Updated:
                Resolved: