Yu Li created HDFS-6012:
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Summary: Tool for checking whether all blocks under a path are
placed on specified nodes
Key: HDFS-6012
URL: https://issues.apache.org/jira/browse/HDFS-6012
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Yu Li
Assignee: Yu Li
Priority: Minor
As mentioned in HDFS-6009, if datanodes are grouped for isolation purpose, we
need to check whether there're "cross-group" placed blocks for a specified
path, and move those cross-group blocks back
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