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https://issues.apache.org/jira/browse/HIVE-10397?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth Jayachandran updated HIVE-10397:
-----------------------------------------
    Attachment: HIVE-10397.trunk.patch

[~gopalv] I made a patch based on your suggestions. This patch removes 
OrcInputFormat implementing SplitSizeEstimator. Instead a new generic 
ColumnSizeEstimator is added to tez code path. But this will still not solve 
the hadoop-1 issue or compatible with older tez installs.

> LLAP: Implement Tez SplitSizeEstimator for Orc
> ----------------------------------------------
>
>                 Key: HIVE-10397
>                 URL: https://issues.apache.org/jira/browse/HIVE-10397
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: llap
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-10397.patch, HIVE-10397.trunk.patch
>
>
> This is patch for HIVE-7428. For now this will be in llap branch as hive has 
> not bumped up the tez version yet.



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