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https://issues.apache.org/jira/browse/YARN-2889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16820823#comment-16820823
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Abhishek Modi commented on YARN-2889:
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Thanks [~elgoiri] for review:
* Let's avoid using "luser" - this is being used across all tests. Should I
change them all to something else?
* There are already tests that are testing for large number of allocations:
testLotsOfContainersRackLocalAllocationSameSchedKey and
testLotsOfContainersRackLocalAllocation are already covering those cases.
> Limit the number of opportunistic container allocated per AM heartbeat
> ----------------------------------------------------------------------
>
> Key: YARN-2889
> URL: https://issues.apache.org/jira/browse/YARN-2889
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Reporter: Konstantinos Karanasos
> Assignee: Abhishek Modi
> Priority: Major
> Attachments: YARN-2889.001.patch, YARN-2889.002.patch,
> YARN-2889.003.patch
>
>
> We introduce a way to limit the number of opportunistic containers that will
> be allocated on each AM heartbeat.
> This way we can restrict the number of opportunistic containers handed out
> by the system, as well as throttle down misbehaving AMs (asking for too many
> opportunistic containers).
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