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https://issues.apache.org/jira/browse/HIVE-15038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15642890#comment-15642890
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Rajesh Balamohan commented on HIVE-15038:
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Thanks [~sershe]. Test failures are unrelated to this patch.
> Reuse OrcTail in OrcEncodedDataReader::ReaderOptions in Llap
> ------------------------------------------------------------
>
> Key: HIVE-15038
> URL: https://issues.apache.org/jira/browse/HIVE-15038
> Project: Hive
> Issue Type: Bug
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Minor
> Attachments: HIVE-15038.1.patch, HIVE-15038.2.patch
>
>
> When {{hive.orc.splits.include.file.footer}} is enabled, OrcTail (if
> available) can be made use of in OrcEncodedDataReader. This would reduce file
> look up calls (expensive in cloud storage systems like S3) and , eliminate
> footer reading.
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