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Posted to hdfs-dev@hadoop.apache.org by "Daryn Sharp (JIRA)" <ji...@apache.org> on 2017/10/12 14:27:00 UTC

[jira] [Created] (HDFS-12646) Avoid IO while holding the FsDataset lock

Daryn Sharp created HDFS-12646:
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             Summary: Avoid IO while holding the FsDataset lock
                 Key: HDFS-12646
                 URL: https://issues.apache.org/jira/browse/HDFS-12646
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: datanode
    Affects Versions: 2.8.0
            Reporter: Daryn Sharp


IO operations should be allowed while holding the dataset lock.  Notable offenders include but are not limited to the instantiation of a block sender/receiver, constructing the path to a block, unfinalizing a block.



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