lei w created HDFS-16020:
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Summary: DatanodeReportType should add LIVE_NOT_DECOMMISSIONING
type
Key: HDFS-16020
URL: https://issues.apache.org/jira/browse/HDFS-16020
Project: Hadoop HDFS
Issue Type: Improvement
Components: balancer & mover, namanode
Reporter: lei w
Balancer builds cluster nodes by
getDatanodeStorageReport(DatanodeReportType.LIVE) method。If the user does not
specify the exclude node list, the balancer may migrate data to the DataNode in
the decommission state. Should we filter out nodes in the decommission state by
a new DatanodeReportType(LIVE_NOT_DECOMMISSIONING) regardless of whether the
user specifies the exclude node list ?
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