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https://issues.apache.org/jira/browse/FLINK-2213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14998321#comment-14998321
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Maximilian Michels commented on FLINK-2213:
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Seems to be more likely the container was killed due to memory usage.
Thanks for clarifying that every non-chained operator has its own thread
[~fhueske]. Still, setting the vcores to the number of task slots seems like a
much better estimate to me than defaulting to 1.
> Configure number of vcores
> --------------------------
>
> Key: FLINK-2213
> URL: https://issues.apache.org/jira/browse/FLINK-2213
> Project: Flink
> Issue Type: Improvement
> Components: YARN Client
> Affects Versions: 0.10
> Reporter: Ufuk Celebi
> Fix For: 1.0
>
>
> Currently, the number of vcores per YARN container is set to 1.
> It is desirable to allow configuring this value. As a simple heuristic it
> makes sense to at least set it to the number of slots per container.
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