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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-20648) LLAP: Vector group by operator should use memory per executor
Date Tue, 09 Oct 2018 18:08:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Prasanth Jayachandran updated HIVE-20648:
-----------------------------------------
       Resolution: Fixed
    Fix Version/s: 3.2.0
                   4.0.0
           Status: Resolved  (was: Patch Available)

Committed to branch-3 and master.

> 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: 4.0.0, 3.2.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Major
>             Fix For: 4.0.0, 3.2.0
>
>         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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