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https://issues.apache.org/jira/browse/OOZIE-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13656554#comment-13656554
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Rohini Palaniswamy commented on OOZIE-1372:
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At the moment, I am pressed for time. Can pick up after a week or so. We should
not be setting reasonable defaults, but copy the values user sets for
oozie.launcher.mapred.child.java.opts and mapreduce.map.memory.mb.
> 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: Robert Kanter
> 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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