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  1. Hadoop Common
  2. HADOOP-9747

Reduce unnecessary UGI synchronization

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Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • 0.23.0, 2.0.0-alpha, 3.0.0-alpha1
    • 3.1.0, 3.0.3
    • security
    • None

    Description

      Jstacks of heavily loaded NNs show up to dozens of threads blocking in the UGI.

      Attachments

        1. HADOOP-9747.2.branch-2.patch
          72 kB
          Daryn Sharp
        2. HADOOP-9747.2.trunk.patch
          80 kB
          Daryn Sharp
        3. HADOOP-9747.branch-2.patch
          74 kB
          Daryn Sharp
        4. HADOOP-9747.trunk.patch
          82 kB
          Daryn Sharp
        5. HADOOP-9747-trunk.01.patch
          84 kB
          Bharat Viswanadham
        6. HADOOP-9747-trunk.02.patch
          87 kB
          Bharat Viswanadham
        7. HADOOP-9747-trunk-03.patch
          78 kB
          Daryn Sharp
        8. HADOOP-9747-trunk-04.patch
          78 kB
          Daryn Sharp

        Issue Links

          causes

          Bug - A problem which impairs or prevents the functions of the product. HDFS-14668 Support Fuse with Users from multiple Security Realms

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. HADOOP-14699 Impersonation errors with UGI after second principal relogin

          • Major - Major loss of function.
          • Resolved
          relates to

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-12533 NNThroughputBenchmark threads get stuck on UGI.getCurrentUser()

          • Major - Major loss of function.
          • Open
          requires

          Bug - A problem which impairs or prevents the functions of the product. YARN-7048 Fix tests faking kerberos to explicitly set ugi auth type

          • Major - Major loss of function.
          • Resolved
          supercedes

          Bug - A problem which impairs or prevents the functions of the product. HADOOP-13805 UGI.getCurrentUser() fails if user does not have a keytab associated

          • Major - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. HADOOP-15401 ConcurrentModificationException on Subject.getPrivateCredentials in UGI constructor

          • Major - Major loss of function.
          • Resolved
          There are no Sub-Tasks for this issue.

          Activity

            People

              daryn Daryn Sharp
              daryn Daryn Sharp
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              Dates

                Created:
                Updated:
                Resolved: