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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2014/11/20 06:59:33 UTC

[jira] [Commented] (SPARK-4505) Reduce the memory usage of CompactBuffer[T] when T is a primitive type

    [ https://issues.apache.org/jira/browse/SPARK-4505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14219048#comment-14219048 ] 

Apache Spark commented on SPARK-4505:
-------------------------------------

User 'zsxwing' has created a pull request for this issue:
https://github.com/apache/spark/pull/3378

> 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
>            Priority: Minor
>
> 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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