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  1. Hadoop HDFS
  2. HDFS-6886

Use single editlog record for creating file + overwrite.

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Details

    • Improvement
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • None
    • 2.6.0
    • namenode
    • None
    • Reviewed

    Description

      As discussed in HDFS-6871, as jingzhao and cmccabe's suggestion, we could do further improvement to use one editlog record for creating file + overwrite in this JIRA. We could record the overwrite flag in editlog for creating file.

      Attachments

        1. editsStored
          5 kB
          Yi Liu
        2. HDFS-6886.001.patch
          23 kB
          Yi Liu
        3. HDFS-6886.002.patch
          23 kB
          Yi Liu
        4. HDFS-6886.003.patch
          26 kB
          Yi Liu
        5. HDFS-6886.004.patch
          40 kB
          Yi Liu
        6. HDFS-6886.005.patch
          45 kB
          Yi Liu

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. HDFS-4777 File creation with overwrite flag set to true results in logSync holding namesystem lock

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

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-6871 Improve NameNode performance when creating file

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Activity

            People

              hitliuyi Yi Liu
              hitliuyi Yi Liu
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              Dates

                Created:
                Updated:
                Resolved: