Ufuk Celebi created FLINK-934:
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Summary: 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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