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https://issues.apache.org/jira/browse/SPARK-4189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14231035#comment-14231035
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Aaron Davidson commented on SPARK-4189:
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This was actually filed before https://github.com/apache/spark/pull/3172 and
was fixed by it.
> FileSegmentManagedBuffer should have a configurable memory map threshold
> ------------------------------------------------------------------------
>
> Key: SPARK-4189
> URL: https://issues.apache.org/jira/browse/SPARK-4189
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 1.2.0
> Reporter: Aaron Davidson
>
> One size does not fit all, it would be useful if there was a configuration to
> change the threshold at which we memory map shuffle files.
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