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https://issues.apache.org/jira/browse/HIVE-20648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brahma Reddy Battula updated HIVE-20648:
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Labels: hive-3.2.0-candidate (was: )
> LLAP: Vector group by operator should use memory per executor
> -------------------------------------------------------------
>
> Key: HIVE-20648
> URL: https://issues.apache.org/jira/browse/HIVE-20648
> Project: Hive
> Issue Type: Bug
> Affects Versions: 3.2.0, 4.0.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Priority: Major
> Labels: hive-3.2.0-candidate
> Fix For: 3.2.0, 4.0.0-alpha-1
>
> Attachments: HIVE-20648.1.patch, HIVE-20648.2.patch,
> HIVE-20648.3.patch, HIVE-20648.4.patch, HIVE-20648.5.patch, HIVE-20648.6.patch
>
>
> HIVE-15503 treatment has to be applied for vector group by operator as well.
> Vector group by currently uses MemoryMX bean to get heap usage and heap max
> memory which will not work for LLAP. Instead it should use memory per
> executor as upper bound to make flush decision.
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