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Posted to dev@hive.apache.org by "Suhas Satish (JIRA)" <ji...@apache.org> on 2014/10/28 00:17:34 UTC

[jira] [Updated] (HIVE-8621) Dump small table join data into appropriate number of broadcast variables [Spark Branch]

     [ https://issues.apache.org/jira/browse/HIVE-8621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suhas Satish updated HIVE-8621:
-------------------------------
    Summary: Dump small table join data into appropriate number of broadcast variables [Spark Branch]  (was: Aggregate all small table join data into m x n broadcast variables [Spark Branch])

> Dump small table join data into appropriate number of broadcast variables [Spark Branch]
> ----------------------------------------------------------------------------------------
>
>                 Key: HIVE-8621
>                 URL: https://issues.apache.org/jira/browse/HIVE-8621
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Suhas Satish
>            Assignee: Suhas Satish
>
> The number of broadcast variables that must be created is m x n where
> 'm' is  the number of small tables in the (m+1) way join and n is the number of buckets of tables. If unbucketed, n=1
> This is a sub-task of map-join for spark 
> https://issues.apache.org/jira/browse/HIVE-7613
> This can use the baseline patch for map-join
> https://issues.apache.org/jira/browse/HIVE-8616



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