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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