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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/01/12 22:26:39 UTC
[jira] [Commented] (SPARK-12785) Implement columnar in memory
representation
[ https://issues.apache.org/jira/browse/SPARK-12785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15094982#comment-15094982 ]
Apache Spark commented on SPARK-12785:
--------------------------------------
User 'nongli' has created a pull request for this issue:
https://github.com/apache/spark/pull/10727
> Implement columnar in memory representation
> -------------------------------------------
>
> Key: SPARK-12785
> URL: https://issues.apache.org/jira/browse/SPARK-12785
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Reporter: Nong Li
>
> Tungsten can benefit from having a columnar in memory representation which can provide a few benefits:
> - Enables vectorized execution
> - Improves memory efficiency (memory is more tightly packed)
> - Enables cheap serialization/zero-copy transfer with third party components (e.g. numpy)
>
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