Haiyang Hu created HDFS-16812:
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Summary: Support refresh the decommission manager at runtime
Key: HDFS-16812
URL: https://issues.apache.org/jira/browse/HDFS-16812
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Haiyang Hu
Assignee: Haiyang Hu
Now if we want to switch 'dfs.namenode.decommission.monitor.class' we need to
restart the NameNode. It would be convenient if we can switch it at runtime.
Can dynamic Adjustment between DatanodeAdminDefaultMonitor and
DatanodeAdminBackoffMonitor as needed.
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