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Posted to hdfs-dev@hadoop.apache.org by "Kihwal Lee (JIRA)" <ji...@apache.org> on 2014/02/14 22:22:20 UTC

[jira] [Resolved] (HDFS-5585) Provide admin commands for data node upgrade

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

Kihwal Lee resolved HDFS-5585.
------------------------------

       Resolution: Fixed
    Fix Version/s: HDFS-5535 (Rolling upgrades)
     Hadoop Flags: Reviewed

Thanks for the review, Vinay and Brandon. I've committed this to the RU branch.

> 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
>            Assignee: Kihwal Lee
>             Fix For: HDFS-5535 (Rolling upgrades)
>
>         Attachments: HDFS-5585.patch, HDFS-5585.patch, HDFS-5585.patch
>
>
> 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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