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  1. Hadoop HDFS
  2. HDFS-7213

processIncrementalBlockReport performance degradation

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      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.

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

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            epayne Eric Payne
            daryn Daryn Sharp
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