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https://issues.apache.org/jira/browse/HIVE-15665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HIVE-15665:
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Attachment: HIVE-15665.02.patch
Fixing some small refcount issues
> LLAP: OrcFileMetadata objects in cache can impact heap usage
> ------------------------------------------------------------
>
> Key: HIVE-15665
> URL: https://issues.apache.org/jira/browse/HIVE-15665
> Project: Hive
> Issue Type: Improvement
> Components: llap
> Reporter: Rajesh Balamohan
> Assignee: Sergey Shelukhin
> Attachments: HIVE-15665.01.patch, HIVE-15665.02.patch,
> HIVE-15665.patch
>
>
> OrcFileMetadata internally has filestats, stripestats etc which are allocated
> in heap. On large data sets, this could have an impact on the heap usage and
> the memory usage by different executors in LLAP.
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