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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