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  1. Hadoop Common
  2. HADOOP-10173

Remove UGI from DIGEST-MD5 SASL server creation

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Details

    • Improvement
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • 0.23.0, 2.3.0, 3.0.0-alpha1
    • 2.3.0
    • ipc
    • None
    • 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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              daryn Daryn Sharp
              daryn Daryn Sharp
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                Created:
                Updated:
                Resolved: