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  1. Hadoop HDFS
  2. HDFS-3521

Allow namenode to tolerate edit log corruption

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 1.0.3
    • 1.2.0
    • namenode
    • None
    • Reviewed

    Description

      HDFS-3479 adds checking for edit log corruption. It uses a fixed UNCHECKED_REGION_LENGTH (=PREALLOCATION_LENGTH) so that the bytes at the end within the length is not checked. Instead of not checking the bytes, we should check everything and allow toleration.

      Attachments

        1. h3521_20120610_b-1.patch
          37 kB
          Tsz-wo Sze
        2. h3521_20120611_b-1.0.patch
          38 kB
          Tsz-wo Sze
        3. h3521_20120611_b-1.patch
          41 kB
          Tsz-wo Sze

        Issue Links

          breaks

          Bug - A problem which impairs or prevents the functions of the product. HDFS-3595 TestEditLogLoading fails in branch-1

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

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-4782 backport edit log corruption toleration to branch-1-win

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

          Bug - A problem which impairs or prevents the functions of the product. HDFS-3540 Further improvement on recovery mode and edit log toleration in branch-1

          • Major - Major loss of function.
          • Closed

          Activity

            People

              szetszwo Tsz-wo Sze
              szetszwo Tsz-wo Sze
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              Dates

                Created:
                Updated:
                Resolved: