Zhe Zhang created HDFS-7374:
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Summary: Allow decommissioning of dead DataNodes
Key: HDFS-7374
URL: https://issues.apache.org/jira/browse/HDFS-7374
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Zhe Zhang
Assignee: Zhe Zhang
We have seen the use case of decommissioning DataNodes that are already dead or
unresponsive, and not expected to rejoin the cluster.
The logic introduced by HDFS-6791 will mark those nodes as
{{DECOMMISSION_INPROGRESS}}, with a hope that they can come back and finish the
decommission work. If an upper layer application is monitoring the
decommissioning progress, it will hang forever.
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