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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, 23 Mar 2017 19:21:42 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-15665.04.patch

Another rebase... HiveQA failed to post the failure to apply 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.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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