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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8043) Support merging small files [Spark Branch]
Date Fri, 29 May 2015 09:15:17 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14564449#comment-14564449
] 

Lefty Leverenz commented on HIVE-8043:
--------------------------------------

Does this need documentation?

> Support merging small files [Spark Branch]
> ------------------------------------------
>
>                 Key: HIVE-8043
>                 URL: https://issues.apache.org/jira/browse/HIVE-8043
>             Project: Hive
>          Issue Type: Task
>          Components: Spark
>            Reporter: Xuefu Zhang
>            Assignee: Rui Li
>              Labels: Spark-M1
>             Fix For: 1.1.0
>
>         Attachments: HIVE-8043.1-spark.patch, HIVE-8043.2-spark.patch, HIVE-8043.3-spark.patch
>
>
> Hive currently supports merging small files with MR as the execution engine. There are
options available for this, such as 
> {code}
> hive.merge.mapfiles
> hive.merge.mapredfiles
> {code}
> Hive.merge.sparkfiles is already introduced in HIVE-7810. To make it work, we might need
a little more research and design on this.



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