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  1. Hadoop HDFS
  2. HDFS-3961

FSEditLog preallocate() needs to reset the position of PREALLOCATE_BUFFER when more than 1MB size is needed

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 1.2.0
    • 1.2.0
    • None
    • None
    • Reviewed

    Description

      In the new preallocate() function, when the required size is larger 1MB, we need to reset the position for PREALLOCATION_BUFFER every time when we have allocated 1MB. Otherwise seems only 1MB can be allocated even if need is larger than 1MB.

      Attachments

        1. HDFS-3961.patch
          0.7 kB
          Jing Zhao

        Issue Links

          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

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-3596 Improve FSEditLog pre-allocation in branch-1

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed

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            People

              jingzhao Jing Zhao
              jingzhao Jing Zhao
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              Dates

                Created:
                Updated:
                Resolved: