Konstantin Shvachko created HDFS-12856:
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Summary: BlockReconstructionWork.chooseTargets() violates
namesystem locking
Key: HDFS-12856
URL: https://issues.apache.org/jira/browse/HDFS-12856
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.7.4
Reporter: Konstantin Shvachko
{{BlockReconstructionWork.chooseTargets()}} is called outside namesystem lock,
although it works with {{DatanodeDescriptor}} and {{DatanodeStorageInfo}},
which can change.
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