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  1. Lustre
  2. LU-14935

Improve fake i/o performance

Details

    • Improvement
    • Resolution: Fixed
    • Minor
    • Lustre 2.15.0
    • None
    • None
    • 9223372036854775807

    Description

      Fake i/o has quite a high CPU cost, probably because it logs to the console.

      This can and should be avoided by using the _QUIET version of CFS_FAIL_CHECK.

      Attachments

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-14919 Crash servers at umount when if fakeio enabled

          • Major - Major loss of function.
          • Open

          Activity

            [LU-14935] Improve fake i/o performance
            pjones Peter Jones made changes -
            Fix Version/s New: Lustre 2.15.0 [ 14791 ]
            Resolution New: Fixed [ 1 ]
            Status Original: Open [ 1 ] New: Resolved [ 5 ]
            adilger Andreas Dilger made changes -
            Link New: This issue is related to LU-14919 [ LU-14919 ]
            adilger Andreas Dilger made changes -
            Link New: This issue is related to EX-3531 [ EX-3531 ]
            paf0186 Patrick Farrell created issue -

            People

              paf0186 Patrick Farrell
              paf0186 Patrick Farrell
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              Dates

                Created:
                Updated:
                Resolved: