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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-923) Hive should not use CombineHiveInputFormat by default because it breaks for hadoop 0.20 releases.
Date Tue, 10 Nov 2009 23:31:27 GMT

     [ https://issues.apache.org/jira/browse/HIVE-923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zheng Shao updated HIVE-923:
----------------------------

    Attachment: HIVE-923.1.patch

This patch changes the default to HiveInputFormat.

We should change it back after a new release comes out from hadoop 0.20.

Users can always override the setting in hive-site.xml to optimize the performance, in case
they are using newer hadoop releases.


> Hive should not use CombineHiveInputFormat by default because it breaks for hadoop 0.20
releases.
> -------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-923
>                 URL: https://issues.apache.org/jira/browse/HIVE-923
>             Project: Hadoop Hive
>          Issue Type: Bug
>    Affects Versions: 0.5.0
>            Reporter: Zheng Shao
>            Assignee: Zheng Shao
>             Fix For: 0.5.0
>
>         Attachments: HIVE-923.1.patch
>
>
> HADOOP-5759 is committed to Hadoop 0.20 on 19/Oct/09 but not released yet.
> We should not use CombineHiveInputFormat for hadoop 0.20 for now. Otherwise all users
will encounter problems using Hive trunk against Hadoop 0.20.
> We can switch the default back when a new release from hadoop 0.20 comes out.

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