Jason Lowe updated YARN-1341:

    Attachment: YARN-1341v7.patch

bq. Is above code still necessary given currentMasterKey will updated soon from 
RM registration as what we discussed above?
I originally put that in there as a "best effort" for the NM to try use a 
recent key if the master key is missing.  This would be relevant if we allowed 
clients to connect before registering with the RM, but that's not the case 
currently.  Updated the patch to remove that code.

> Recover NMTokens upon nodemanager restart
> -----------------------------------------
>                 Key: YARN-1341
>                 URL: https://issues.apache.org/jira/browse/YARN-1341
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: 2.3.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>         Attachments: YARN-1341.patch, YARN-1341v2.patch, YARN-1341v3.patch, 
> YARN-1341v4-and-YARN-1987.patch, YARN-1341v5.patch, YARN-1341v6.patch, 
> YARN-1341v7.patch

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