Andrew Wang created HDFS-6295:
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Summary: Add "decommissioning" state and node state filtering to
dfsadmin
Key: HDFS-6295
URL: https://issues.apache.org/jira/browse/HDFS-6295
Project: Hadoop HDFS
Issue Type: Improvement
Affects Versions: 2.4.0
Reporter: Andrew Wang
Assignee: Andrew Wang
One of the few admin-friendly ways of viewing the list of decommissioning nodes
is via "hdfs dfsadmin -report". However, this lists *all* the datanodes on the
cluster, which is prohibitive for large clusters, and also requires manual
parsing to look at the decom status. It'd be nicer if we could fetch and
display only decommissioning nodes (or just live and dead nodes for that
matter).
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