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  1. Lustre
  2. LU-4820

extra memcpy in read path

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Minor Minor
    • Lustre 2.8.0
    • Lustre 2.4.1, Lustre 2.5.0, Lustre 2.6.0, Lustre 2.4.2, Lustre 2.5.1, Lustre 2.5.2, Lustre 2.4.3
    • ZFS
    • 3
    • 13259

      osd_read_prep() in osd-zfs/ calls into dmu_read() which finds the buffers filled osd_bufs_get_read(). this is not needed and cost us extra memcpy() on all the reads.

            bzzz Alex Zhuravlev
            bzzz Alex Zhuravlev
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              Created:
              Updated:
              Resolved: