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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5585) Provide admin commands for data node upgrade
Date Mon, 02 Dec 2013 16:53:35 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kihwal Lee updated HDFS-5585:
-----------------------------

    Description: Several new methods to ClientDatanodeProtocol may need to be added to support
querying version, initiating upgrade, etc.  The admin CLI needs to be added as well. This
primary use case is for rolling upgrade, but this can be used for preparing for a graceful
restart of a data node for any reasons.  (was: Several new methods to ClientDatanodeProtocol
may need to be added to support querying version, initiating upgrade, etc.  The admin CLI
needs to be added as well.)

> Provide admin commands for data node upgrade
> --------------------------------------------
>
>                 Key: HDFS-5585
>                 URL: https://issues.apache.org/jira/browse/HDFS-5585
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, ha, hdfs-client, namenode
>            Reporter: Kihwal Lee
>
> Several new methods to ClientDatanodeProtocol may need to be added to support querying
version, initiating upgrade, etc.  The admin CLI needs to be added as well. This primary use
case is for rolling upgrade, but this can be used for preparing for a graceful restart of
a data node for any reasons.



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