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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6360) Hadoop 2.3 + Tez 0.3
Date Mon, 09 Jun 2014 05:37:02 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14021640#comment-14021640
] 

Lefty Leverenz commented on HIVE-6360:
--------------------------------------

Now hive.exec.orc.zerocopy is also in the wiki.  I added it to the list of miscellaneous Tez
parameters, but does it belong there or does it just rely on Hadoop 2.3?  (And if it relies
on Hadoop 2.3, should that be mentioned in the description?)

* [Configuration Properties:  hive.exec.orc.zerocopy | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.exec.orc.zerocopy]
* [Configuration Properties:  Tez | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-Tez]

> Hadoop 2.3 + Tez 0.3
> --------------------
>
>                 Key: HIVE-6360
>                 URL: https://issues.apache.org/jira/browse/HIVE-6360
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6360.1.patch, HIVE-6360.2.patch
>
>
> There are some things pending that rely on hadoop 2.3 or tez 0.3. These are not released
yet, but will be soon. I'm proposing to collect these in the tez branch and do a merge back
once these components have been released at that version.
> The things depending on 0.3 or hadoop 2.3 are:
> - Zero Copy read for ORC
> - Unions in Tez
> - Tez on secure clusters
> - Changes to DagUtils to reflect tez 0.2 -> 0.3
> - Prewarm containers



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