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  1. Hadoop HDFS
  2. HDFS-192

TestBackupNode sometimes fails

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.21.0
    • 0.21.0
    • namenode
    • None
    • Reviewed

    Description

      TestBackupNode may fail with different reasons:

      • Unable to open edit log file .\build\test\data\dfs\name-backup1\current\edits (FSEditLog.java:open(371))
      • NullPointerException at org.apache.hadoop.hdfs.server.namenode.EditLogBackupOutputStream.flushAndSync(EditLogBackupOutputStream.java:163)
      • Fatal Error : All storage directories are inaccessible.
        Will provide more information in the comments.

      Attachments

        1. TestBNFailure.log
          298 kB
          Konstantin Shvachko
        2. NN-EditsBug-21.patch
          13 kB
          Konstantin Shvachko
        3. NN-EditsBug.patch
          11 kB
          Konstantin Shvachko
        4. NN-EditsBug.patch
          12 kB
          Konstantin Shvachko
        5. NN-EditsBug.patch
          12 kB
          Konstantin Shvachko
        6. NN-EditsBug.patch
          12 kB
          Konstantin Shvachko
        7. HADOOP-5573.patch
          3 kB
          Boris Shkolnik

        Issue Links

          is depended upon by

          Bug - A problem which impairs or prevents the functions of the product. HDFS-526 TestBackupNode is currently flaky and shouldn't be in commit test

          • Major - Major loss of function.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. HDFS-119 logSync() may block NameNode forever.

          • Major - Major loss of function.
          • Closed

          New Feature - A new feature of the product, which has yet to be developed. HADOOP-4539 Streaming Edits to a Backup Node.

          • Major - Major loss of function.
          • Closed

          Activity

            People

              shv Konstantin Shvachko
              szetszwo Tsz-wo Sze
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              Dates

                Created:
                Updated:
                Resolved: