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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2152) Recover missing container information
Date Mon, 14 Jul 2014 22:36:09 GMT

    [ https://issues.apache.org/jira/browse/YARN-2152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14061366#comment-14061366
] 

Vinod Kumar Vavilapalli commented on YARN-2152:
-----------------------------------------------

Unfortunately, token versioning is a pending item under YARN-666 (mentioned in the design
discussion and one we are actively thinking about offline).

There is no way to handle it today. The story I have in mind is that once we have versioned-token-handling
in place, we can safely add new fields. Till then, we will see container failures during upgrades
whenever we add fields.

> Recover missing container information
> -------------------------------------
>
>                 Key: YARN-2152
>                 URL: https://issues.apache.org/jira/browse/YARN-2152
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Jian He
>            Assignee: Jian He
>             Fix For: 2.5.0
>
>         Attachments: YARN-2152.1.patch, YARN-2152.1.patch, YARN-2152.2.patch, YARN-2152.3.patch
>
>
> Container information such as container priority and container start time cannot be recovered
because NM container today lacks such container information to send across on NM registration
when RM recovery happens



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