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https://issues.apache.org/jira/browse/HIVE-20513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16608345#comment-16608345
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Zoltan Haindrich commented on HIVE-20513:
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+1
these tests seems to be related - because the ds now performs better - its
selected a different algo earlier in tez_smb_main and bucket_map_join_tez2...
in the last couple weeks I had to update them a few times...so if you apply
https://github.com/kgyrtkirk/hive/commit/223788998b85010851353f0ba382d25c8557c993
they will go away...
not sure why...but orc_llap didn't failed for me - but that could be just
overwritten....
> Vectorization: Improve Fast Vector MapJoin Bytes Hash Tables
> ------------------------------------------------------------
>
> Key: HIVE-20513
> URL: https://issues.apache.org/jira/browse/HIVE-20513
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-20513.01.patch, HIVE-20513.02.patch,
> HIVE-20513.03.patch
>
>
> Based on HIVE-20491 / HIVE-20503 discussions, improve Fast Vector MapJoin
> Bytes Hash Tables by only storing a one word slot entry.
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