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  1. Hadoop HDFS
  2. HDFS-1865

Share LeaseChecker thread among DFSClients

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.23.0
    • hdfs-client
    • None
    • Reviewed

    Description

      Each DFSClient runs a LeaseChecker thread within a JVM. The number threads could be reduced by sharing the threads.

      Attachments

        1. h1865_20110503.patch
          17 kB
          Tsz-wo Sze
        2. h1865_20110504.patch
          17 kB
          Tsz-wo Sze
        3. h1865_20110508.patch
          31 kB
          Tsz-wo Sze
        4. h1865_20110508b.patch
          32 kB
          Tsz-wo Sze
        5. h1865_20110509.patch
          26 kB
          Tsz-wo Sze

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. HDFS-4161 HDFS keeps a thread open for every file writer

          • Major - Major loss of function.
          • Closed

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-1131 each DFSClient instance uses a daemon thread for lease checking, there should be a singleton daemon for all DFSClient instances

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

          Activity

            People

              szetszwo Tsz-wo Sze
              szetszwo Tsz-wo Sze
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              Dates

                Created:
                Updated:
                Resolved: