Junping Du created HDFS-5254:
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Summary: Reconfigure DN's topology without restart DN
Key: HDFS-5254
URL: https://issues.apache.org/jira/browse/HDFS-5254
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Junping Du
In some cases (like: VM live migration in virtualization or SDN in cloud), the
DN's network topology is changed in runtime. We should figure out some way to
reconfigure it without stop/start DN.
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