[jira] [Updated] (FLINK-968) Add a yarn session parameter for the number of task slots per task manager

["Robert Metzger (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Metzger updated FLINK-968:
---------------------------------

    Component/s: YARN Client

> Add a yarn session parameter for the number of task slots per task manager
> --------------------------------------------------------------------------
>
>                 Key: FLINK-968
>                 URL: https://issues.apache.org/jira/browse/FLINK-968
>             Project: Flink
>          Issue Type: Improvement
>          Components: YARN Client
>            Reporter: Stephan Ewen
>            Assignee: Robert Metzger
>            Priority: Critical
>
> In order to have a transparent and elegant YARN setup, the shell needs a parameter to specify how many task slots each task manager should offer. 
> If that flag is not specified, then each taskmanager will offer as many slots as the JVM determines system cores. We may think about changing that to a default of one, to make it more predictable.



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