Lin Yiqun created HDFS-9685:
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Summary: StopDecommission for datanode should remove the
underReplicatedBlocks
Key: HDFS-9685
URL: https://issues.apache.org/jira/browse/HDFS-9685
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.7.1
Reporter: Lin Yiqun
Assignee: Lin Yiqun
When one node removed from exclude file, and its state from
decommission-in-progress to in service. But the underReplicatedBlocksNum of
cluster has not been decreased. Most of these underReplicatedBlocks are not
needed and it will costs namenode much time to deal with. And frequently
namenode will find there are enough replications. So in {{stopDecommissioned}}
operation, we should remove neededReplicatedBlocks of decomNodes.
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