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https://issues.apache.org/jira/browse/OOZIE-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13662525#comment-13662525
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Rohini Palaniswamy commented on OOZIE-1372:
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Robert,
Did you test the uber patch with Hadoop 2.x with security enabled? We found
that there are issues with AM tokens leaking into the job and the job fails. We
should make it false by default till all the issues in hadoop are fixed and it
is stabilized.
> When using uber mode, Oozie should also make the AM container size larger
> -------------------------------------------------------------------------
>
> Key: OOZIE-1372
> URL: https://issues.apache.org/jira/browse/OOZIE-1372
> Project: Oozie
> Issue Type: Bug
> Affects Versions: trunk
> Reporter: Robert Kanter
> Assignee: Rohini Palaniswamy
> Fix For: trunk
>
>
> OOZIE-1335 made Oozie use uber mode for the launcher job by default. We
> should also increase the AM container size in case the launcher job needs
> more memory (e.g. a Pig job).
> from [~rohini]
> {quote}
> yarn.app.mapreduce.am.resource.mb and yarn.app.mapreduce.am.command-opts.
> yarn.app.mapreduce.am.resource.mb is easy and you can just set and overwrite.
> You will have to do some string manipulation with
> yarn.app.mapreduce.am.command-opts or append hoping the last values will take
> effect. Not sure if there are jvm's (IBM or openjdk) which will take the
> first value.
> {quote}
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