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Posted to dev@hive.apache.org by "Chengbing Liu (JIRA)" <ji...@apache.org> on 2014/08/01 06:43:41 UTC

[jira] [Updated] (HIVE-7590) Should not fire a merge job if hive.hadoop.supports.splittable.combineinputformat is set to false

     [ https://issues.apache.org/jira/browse/HIVE-7590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chengbing Liu updated HIVE-7590:
--------------------------------

    Attachment: HIVE-7590.patch

> Should not fire a merge job if hive.hadoop.supports.splittable.combineinputformat is set to false
> -------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-7590
>                 URL: https://issues.apache.org/jira/browse/HIVE-7590
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.10.0
>            Reporter: Chengbing Liu
>         Attachments: HIVE-7590.patch
>
>
> When hive.hadoop.supports.splittable.combineinputformat is set to false, a map can process only one file, making the merge job not actually doing merging. The merge job should only be fired if hive.hadoop.supports.splittable.combineinputformat is set to true.
> I have observed this with 0.10. It seems trunk also has this problem.



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