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  1. Hadoop Common
  2. HADOOP-10173

Remove UGI from DIGEST-MD5 SASL server creation

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 0.23.0, 2.3.0, 3.0.0-alpha1
    • Fix Version/s: 2.3.0
    • Component/s: ipc
    • Labels:
      None
    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      Instantiation of SASL server instances within the readers threads is performed within a UGI.getCurrentUser().doAs. getCurrentUser is synchronized, and doAs also degrades performance. GSSAPI (kerberos) requires instantiation within a doAs, but DIGEST-MD5 (token) does not.

        Attachments

        1. HADOOP-10173.patch
          2 kB
          Daryn Sharp

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            • Assignee:
              daryn Daryn Sharp
              Reporter:
              daryn Daryn Sharp

              Dates

              • Created:
                Updated:
                Resolved:

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