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  1. Hadoop HDFS
  2. HDFS-4777

File creation with overwrite flag set to true results in logSync holding namesystem lock

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: 0.23.0, 2.0.0-alpha
    • Fix Version/s: None
    • Component/s: namenode
    • Labels:

      Description

      FSNamesystem#startFileInternal calls delete. Delete method releases the write lock, making parts of startFileInternal code unintentionally executed without write lock being held.

        Attachments

        1. HDFS-4777.patch
          8 kB
          Suresh Srinivas

          Issue Links

          duplicates

          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

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-6886 Use single editlog record for creating file + overwrite.

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

          Bug - A problem which impairs or prevents the functions of the product. HDFS-4186 logSync() is called with the write lock held while releasing lease

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

            Activity

              People

              • Assignee:
                sureshms Suresh Srinivas
                Reporter:
                sureshms Suresh Srinivas
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                Dates

                • Created:
                  Updated:
                  Resolved: