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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2014/10/13 20:51:34 UTC

[jira] [Resolved] (SPARK-3861) Avoid rebuilding hash tables on each partition

     [ https://issues.apache.org/jira/browse/SPARK-3861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Armbrust resolved SPARK-3861.
-------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.2.0

Issue resolved by pull request 2727
[https://github.com/apache/spark/pull/2727]

> Avoid rebuilding hash tables on each partition
> ----------------------------------------------
>
>                 Key: SPARK-3861
>                 URL: https://issues.apache.org/jira/browse/SPARK-3861
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>            Assignee: Reynold Xin
>             Fix For: 1.2.0
>
>
> BroadcastHashJoin builds a new hash table for each partition. We can build it once per node and reuse the hash table.



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