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https://issues.apache.org/jira/browse/SPARK-4505?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Patrick Wendell resolved SPARK-4505.
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Resolution: Fixed
Fix Version/s: 1.3.0
> Reduce the memory usage of CompactBuffer[T] when T is a primitive type
> ----------------------------------------------------------------------
>
> Key: SPARK-4505
> URL: https://issues.apache.org/jira/browse/SPARK-4505
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 1.1.0
> Reporter: Shixiong Zhu
> Assignee: Shixiong Zhu
> Priority: Minor
> Fix For: 1.3.0
>
>
> If CompactBuffer has a ClassTag parameter, CompactBuffer can create primitive
> arrays for primitive types. It will reduce the memory usage for primitive
> types significantly and only pay minor performance lost.
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