Imran Rashid created SPARK-25904:
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Summary: Avoid allocating arrays too large for JVMs
Key: SPARK-25904
URL: https://issues.apache.org/jira/browse/SPARK-25904
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 2.4.0
Reporter: Imran Rashid
In a few places spark can try to allocate arrays as big as {{Int.MaxValue}},
but thats actually too big for the JVM. We should consistently use
{{ByteArrayMethods.MAX_ROUNDED_ARRAY_LENGTH}} instead.
In some cases this is changing defaults for configs, in some cases its bounds
on a config, and others its just improving error msgs for things that still
won't work.
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