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https://issues.apache.org/jira/browse/FLINK-2213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14996423#comment-14996423
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Fabian Hueske commented on FLINK-2213:
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Flink does not give guarantees for the number of threads per task slot. Each
unchained operator runs as a thread and some operators such as sorts are
executed in multiple threads.
Do you know what the termination condition of a {{LinuxContainerExecutor}} is?
> 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
>
> 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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