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