Jason Lowe created HDFS-3688:
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Summary: Namenode loses datanode hostname if datanode re-registers
Key: HDFS-3688
URL: https://issues.apache.org/jira/browse/HDFS-3688
Project: Hadoop HDFS
Issue Type: Bug
Components: data-node
Affects Versions: 0.23.3
Reporter: Jason Lowe
If a datanode ever re-registers with the namenode (e.g.: namenode restart,
temporary network cut, etc.) then the datanode ends up registering with an IP
address as the datanode name rather than the hostname.
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