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Posted to issues@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2017/06/21 20:23:00 UTC

[jira] [Updated] (HIVE-15665) LLAP: OrcFileMetadata objects in cache can impact heap usage

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

Sergey Shelukhin updated HIVE-15665:
------------------------------------
    Attachment:     (was: HIVE-15665.05.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.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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