Matei Zaharia created SPARK-9244:
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Summary: Increase some default memory limits
Key: SPARK-9244
URL: https://issues.apache.org/jira/browse/SPARK-9244
Project: Spark
Issue Type: Improvement
Reporter: Matei Zaharia
Assignee: Matei Zaharia
There are a few memory limits that people hit often and that we could make
higher, especially now that memory sizes have grown.
- spark.akka.frameSize: This defaults at 10 but is often hit for map output
statuses in large shuffles. AFAIK the memory is not fully allocated up-front,
so we can just make this larger and still not affect jobs that never sent a
status that large.
- spark.executor.memory: Defaults at 512m, which is really small. We can at
least increase it to 1g, though this is something users do need to set on their
own.
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