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  1. Hadoop HDFS
  2. HDFS-7213

processIncrementalBlockReport performance degradation

    Details

    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      BlockManager#processIncrementalBlockReport has a debug line that is missing a isDebugEnabled check. The write lock is being held. Coupled with the increase in incremental block reports from receiving blocks, under heavy load this log line noticeably degrades performance.

        Attachments

        1. HDFS-7213.1412804753
          1 kB
          Eric Payne
        2. HDFS-7213.1412806496.txt
          1.0 kB
          Eric Payne

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            People

            • Assignee:
              eepayne Eric Payne
              Reporter:
              daryn Daryn Sharp
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              Dates

              • Created:
                Updated:
                Resolved: