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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10844) Combine equivalent Works for HoS[Spark Branch]
Date Wed, 24 Jun 2015 13:30:05 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14599403#comment-14599403
] 

Xuefu Zhang commented on HIVE-10844:
------------------------------------

+1

> Combine equivalent Works for HoS[Spark Branch]
> ----------------------------------------------
>
>                 Key: HIVE-10844
>                 URL: https://issues.apache.org/jira/browse/HIVE-10844
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Chengxiang Li
>            Assignee: Chengxiang Li
>         Attachments: HIVE-10844.1-spark.patch, HIVE-10844.2-spark.patch, HIVE-10844.3-spark.patch
>
>
> Some Hive queries(like [TPCDS Q39|https://github.com/hortonworks/hive-testbench/blob/hive14/sample-queries-tpcds/query39.sql])
may share the same subquery, which translated into sperate, but equivalent Works in SparkWork,
combining these equivalent Works into a single one would help to benifit from following dynamic
RDD caching optimization.



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