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Posted to issues@spark.apache.org by "vincent gromakowski (JIRA)" <ji...@apache.org> on 2016/11/03 10:08:58 UTC

[jira] [Created] (SPARK-18248) spark on mesos memory sizing with offheap

vincent gromakowski created SPARK-18248:
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             Summary: spark on mesos memory sizing with offheap
                 Key: SPARK-18248
                 URL: https://issues.apache.org/jira/browse/SPARK-18248
             Project: Spark
          Issue Type: Bug
          Components: Mesos
         Environment: Spark on Mesos
            Reporter: vincent gromakowski


Spark mesos framework is only taking the heap + 400 MB overhead into consideration for resources allocation.
Example: spark.executor.memory=3g spark.memory.offheap.size=1g ==> mesos report 3.4g allocated for the executor

The workaround is to set spark.mesos.executor.overhead to be at least spark.memory.offheap.size



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