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Posted to hdfs-dev@hadoop.apache.org by "Lin Yiqun (JIRA)" <ji...@apache.org> on 2016/01/22 14:22:39 UTC
[jira] [Created] (HDFS-9685) StopDecommission for datanode should
remove the underReplicatedBlocks
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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