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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-15665) LLAP: OrcFileMetadata objects in cache can impact heap usage
Date Thu, 29 Jun 2017 21:20:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-15665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin updated HIVE-15665:
------------------------------------
    Attachment: HIVE-15665.05.patch

Updated the patch

> 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-15665.03.patch, HIVE-15665.04.patch,
HIVE-15665.05.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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