Junping Du created HDFS-5237:
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Summary: Get rid of nodes' registration names
Key: HDFS-5237
URL: https://issues.apache.org/jira/browse/HDFS-5237
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Junping Du
Assignee: Junping Du
Fix For: 3.0.0
Per discussion in HDFS-5208 and may be some other discussions before, Node's
registration name is pretty confusing and shouldn't be used in production
environment as topology resolving issues. So we remove related configuration
dfs.datanode.hostname or its old one "slave.host.name".
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