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  1. Lustre
  2. LU-17478

parallelize unaligned writes

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    • Improvement
    • Resolution: Unresolved
    • Minor
    • None
    • None
    • None
    • 3
    • 9223372036854775807

    Description

      Unaligned DIO/hybrid IO writes are not currently parallel, which severely limits their performance (to around 3 GiB/s with 20 GiB/s DIO).  With the fix from LU-17085, this becomes possible, and it turns out it can be done fairly easily.

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          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-18006 sanity test_119f: crash in ll_dio_user_copy

          • Blocker - Blocks development and/or testing work, production could not run.
          • Resolved
          mentioned in

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              paf Patrick Farrell (Inactive)
              paf0186 Patrick Farrell
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              Dates

                Created:
                Updated: