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https://issues.apache.org/jira/browse/HIVE-12369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt McCline updated HIVE-12369:
--------------------------------
Description:
Implement fast Vector GroupBy using fast hash table technology developed for
Native Vector MapJoin and vector key handling developed for recent HIVE-12290
Native Vector ReduceSink JIRA.
(Patch also includes making Native Vector MapJoin use Hybrid Grace -- but that
can be separated out)
was:Implement fast Vector GroupBy using fast hash table technology developed
for Native Vector MapJoin and vector key handling developed for recent
HIVE-12290 Native Vector ReduceSink JIRA.
> Faster Vector GroupBy
> ---------------------
>
> Key: HIVE-12369
> URL: https://issues.apache.org/jira/browse/HIVE-12369
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Fix For: 2.0.0
>
>
> Implement fast Vector GroupBy using fast hash table technology developed for
> Native Vector MapJoin and vector key handling developed for recent HIVE-12290
> Native Vector ReduceSink JIRA.
> (Patch also includes making Native Vector MapJoin use Hybrid Grace -- but
> that can be separated out)
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