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https://issues.apache.org/jira/browse/HDFS-5752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HDFS-5752:
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Attachment: h5752_20140112.patch
h5752_20140112.patch: add a new DFSAdmin command "-rollingUpgrade
\[start/finalize/query]".
> Add a new DFSAdminCommand for rolling upgrade
> ---------------------------------------------
>
> Key: HDFS-5752
> URL: https://issues.apache.org/jira/browse/HDFS-5752
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client, namenode
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h5752_20140112.patch
>
>
> We need to add a new DFSAdmin to start, finalize and query rolling upgrade.
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