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https://issues.apache.org/jira/browse/HDFS-5254?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated HDFS-5254:
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Issue Type: New Feature (was: Bug)
> Reconfigure DN's topology without restart DN
> --------------------------------------------
>
> Key: HDFS-5254
> URL: https://issues.apache.org/jira/browse/HDFS-5254
> Project: Hadoop HDFS
> Issue Type: New Feature
> 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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