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  1. HBase
  2. HBASE-11444

Remove use of reflection for User#getShortName

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.98.3
    • 0.99.0, 0.98.4, 0.94.22
    • None
    • None
    • Reviewed

    Description

      The time we spend looking up a user's short name with User#getShortName in hot security code paths is mostly spent in Class#getMethod, ~70%. This is only ~1% of overall CPU time but is the bulk of time spent in AccessController#prePut, for example.

      Attachments

        1. IntegrationTestIngestWithACL.put.svg
          62 kB
          Andrew Kyle Purtell
        2. IntegrationTestIngestWithACL.get.svg
          31 kB
          Andrew Kyle Purtell
        3. HBASE-11444.patch
          1 kB
          Andrew Kyle Purtell
        4. IntegrationTestIngestWithACL.put.svg
          109 kB
          Andrew Kyle Purtell
        5. IntegrationTestIngestWithACL.get.svg
          54 kB
          Andrew Kyle Purtell
        6. HBASE-11444.patch
          2 kB
          Andrew Kyle Purtell

        Issue Links

          relates to

          Improvement - An improvement or enhancement to an existing feature or task. HBASE-7910 Dont use reflection for security

          • Major - Major loss of function.
          • Closed

          Activity

            People

              apurtell Andrew Kyle Purtell
              apurtell Andrew Kyle Purtell
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              Dates

                Created:
                Updated:
                Resolved: