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https://issues.apache.org/jira/browse/SPARK-5095?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timothy Chen updated SPARK-5095:
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Component/s: Mesos
> Support launching multiple mesos executors in coarse grained mesos mode
> -----------------------------------------------------------------------
>
> Key: SPARK-5095
> URL: https://issues.apache.org/jira/browse/SPARK-5095
> Project: Spark
> Issue Type: Improvement
> Components: Mesos
> Reporter: Timothy Chen
>
> Currently in coarse grained mesos mode, it's expected that we only launch one
> Mesos executor that launches one JVM process to launch multiple spark
> executors.
> However, this become a problem when the JVM process launched is larger than
> an ideal size (30gb is recommended value from databricks), which causes GC
> problems reported on the mailing list.
> We should support launching mulitple executors when large enough resources
> are available for spark to use, and these resources are still under the
> configured limit.
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