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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2152) Recover missing container information
Date Tue, 15 Jul 2014 13:39:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-2152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14062060#comment-14062060

Jason Lowe commented on YARN-2152:

Yeah that's what I suspected as well, but I wanted to mention it in case I missed something.
 It's crucial we get the token compatibility sorted out sooner rather than later, otherwise
I can see us regularly breaking compatibility between even minor versions as we tweak tokens
to add features.  Whenever that happens rolling upgrades will not work in practice.

> 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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