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  1. Hadoop Common
  2. HADOOP-3863

Use a thread-local rather than static ENCODER/DECODER variables in Text for synchronization

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Details

    • Bug
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • 0.18.0
    • 0.19.0
    • None
    • None
    • Reviewed

    Description

      Text.

      {ENCODER|DECODER}

      are static variables which need to be synchronized in Text.

      {read|write}String; given that lots of RPC code calls Text.{read|write}

      String the contention for this lock shows up very significantly on large clusters.

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            acmurthy Arun Murthy Assign to me
            acmurthy Arun Murthy
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