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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19860) HiveServer2 ObjectInspectorFactory memory leak with cachedUnionStructObjectInspector
Date Tue, 12 Jun 2018 18:59:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16510036#comment-16510036
] 

Sergey Shelukhin commented on HIVE-19860:
-----------------------------------------

+1 pending tests. cc [~thejas]

> HiveServer2 ObjectInspectorFactory memory leak with cachedUnionStructObjectInspector
> ------------------------------------------------------------------------------------
>
>                 Key: HIVE-19860
>                 URL: https://issues.apache.org/jira/browse/HIVE-19860
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>    Affects Versions: 2.1.0
>         Environment: hiveserver2 Interactive with LLAP.
>            Reporter: Rajkumar Singh
>            Priority: Major
>         Attachments: HIVE-19860.patch, Screen Shot 2018-06-11 at 2.01.00 PM.png
>
>
> hiveserver2 is start seeing the memory pressure once the cachedUnionStructObjectInspector
start going 
> [https://github.com/apache/hive/blob/master/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/ObjectInspectorFactory.java#L345]
> I did not see any eviction policy for cachedUnionStructObjectInspector, so we should
implement some size or time-based eviction policy. 
>   !Screen Shot 2018-06-11 at 2.01.00 PM.png!



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