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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-666) [Umbrella] Support rolling upgrades in YARN
Date Mon, 17 Jun 2013 22:34:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13686102#comment-13686102

Siddharth Seth commented on YARN-666:

TBD - handling of Enum fields like AMCommand, NodeAction. This may be possible by forcing
defaults if a new value needs to be added, alternately define a new Enum which is used by
newer clients.
> [Umbrella] Support rolling upgrades in YARN
> -------------------------------------------
>                 Key: YARN-666
>                 URL: https://issues.apache.org/jira/browse/YARN-666
>             Project: Hadoop YARN
>          Issue Type: Improvement
>    Affects Versions: 2.0.4-alpha
>            Reporter: Siddharth Seth
>         Attachments: YARN_Rolling_Upgrades.pdf, YARN_Rolling_Upgrades_v2.pdf
> Jira to track changes required in YARN to allow rolling upgrades, including documentation
and possible upgrade routes. 

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