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https://issues.apache.org/jira/browse/HIVE-6360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14021754#comment-14021754
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Lefty Leverenz commented on HIVE-6360:
--------------------------------------
Thanks [~gopalv]. I've removed hive.exec.orc.zerocopy from the Tez list and
changed its description to "Use zerocopy reads with ORC. (This requires Hadoop
2.3 or later.)"
> 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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