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https://issues.apache.org/jira/browse/HIVE-22770?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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László Bodor updated HIVE-22770:
--------------------------------
    Fix Version/s: 4.0.0

> Skip interning of MapWork fields during deserialization
> -------------------------------------------------------
>
>                 Key: HIVE-22770
>                 URL: https://issues.apache.org/jira/browse/HIVE-22770
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: László Bodor
>            Assignee: László Bodor
>            Priority: Major
>             Fix For: 4.0.0
>
>         Attachments: HIVE-22770.01.patch, HIVE-22770.01.patch, 
> HIVE-22770.02.patch, HIVE-22770.02.patch, HIVE-22770.03.patch, 
> HIVE-22770.04.patch, HIVE-22770.05.patch, HIVE-22770.06.patch
>
>
> HIVE-19937 introduced some interning logic into mapwork deserialization 
> process, but it's only related to spark, maybe we should skip this for tez, 
> reducing the cpu pressure in tez tasks.
> UPDATE: Hive on spark is not supported anymore, the  MapWorkSerializer can be 
> completely removed.



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