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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-934) Job and TaskManager startup scripts always set JVM heap size
Date Fri, 13 Jun 2014 10:53:02 GMT

    [ https://issues.apache.org/jira/browse/FLINK-934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14030484#comment-14030484
] 

ASF GitHub Bot commented on FLINK-934:
--------------------------------------

Github user StephanEwen commented on the pull request:

    https://github.com/apache/incubator-flink/pull/14#issuecomment-45998358
  
    I will merge this...


> Job and TaskManager startup scripts always set JVM heap size
> ------------------------------------------------------------
>
>                 Key: FLINK-934
>                 URL: https://issues.apache.org/jira/browse/FLINK-934
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: Ufuk Celebi
>
> The default distribution config {{stratosphere-conf.yaml}} contains keys {{jobmanager.heap.mb}}
and {{taskmanager.heap.mb}} for the heap sizes of the JobManager and TaskManager JVMs. If
they are not set, {{config.sh}} has default values for them.
> We _always_ use one of these values and set the {{Xms}} and {{Xmx}} properties. After
a short discussion with [~rmetzger] and [~StephanEwen] we actually expected that they should
not be set if not found in {{stratosphere-conf.yaml}}. This would result in a fall back to
the respective JVM default (imho 1/4th of the physical memory since Java 6).



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