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Posted to dev@hive.apache.org by "Chao (JIRA)" <ji...@apache.org> on 2014/09/30 20:20:35 UTC
[jira] [Assigned] (HIVE-8276) Separate shuffle from ReduceTran and
so create ShuffleTran [Spark Branch]
[ https://issues.apache.org/jira/browse/HIVE-8276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chao reassigned HIVE-8276:
--------------------------
Assignee: Chao
> Separate shuffle from ReduceTran and so create ShuffleTran [Spark Branch]
> -------------------------------------------------------------------------
>
> Key: HIVE-8276
> URL: https://issues.apache.org/jira/browse/HIVE-8276
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Xuefu Zhang
> Assignee: Chao
>
> Currently ShuffleTran captures both shuffle and reduce side processing. Per HIVE-8118, sometimes the output RDD from shuffle needs to be cached for better performance. Thus, it makes sense to separate shuffle from Reduce and create ShuffleTran class.
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