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Posted to dev@hive.apache.org by "Namit Jain (JIRA)" <ji...@apache.org> on 2010/09/08 21:20:33 UTC

[jira] Commented: (HIVE-1622) Use CombineHiveInputFormat for the merge job if hive.merge.mapredfiles=true

    [ https://issues.apache.org/jira/browse/HIVE-1622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12907367#action_12907367 ] 

Namit Jain commented on HIVE-1622:
----------------------------------

+1

looks good

> Use CombineHiveInputFormat for the merge job if hive.merge.mapredfiles=true
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-1622
>                 URL: https://issues.apache.org/jira/browse/HIVE-1622
>             Project: Hadoop Hive
>          Issue Type: Improvement
>            Reporter: Ning Zhang
>            Assignee: Ning Zhang
>         Attachments: HIVE-1622.patch
>
>
> Currently map-only merge (using CombineHiveInputFormat) is only enabled for merging files generated by mappers. It should be used for files generated at readers as well.

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