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https://issues.apache.org/jira/browse/HIVE-6828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13988376#comment-13988376
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Gunther Hagleitner commented on HIVE-6828:
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No new test failures (build 100 had the same errors - plus one more).
> Hive tez bucket map join conversion interferes with map join conversion
> -----------------------------------------------------------------------
>
> Key: HIVE-6828
> URL: https://issues.apache.org/jira/browse/HIVE-6828
> Project: Hive
> Issue Type: Bug
> Components: Tez
> Affects Versions: 0.13.0, 0.14.0
> Reporter: Vikram Dixit K
> Assignee: Vikram Dixit K
> Attachments: HIVE-6828.1.patch, HIVE-6828.2.patch
>
>
> The issue is that bucket count is used for checking the scaled down size of
> the hash tables but is used later on to convert to the map join as well which
> may be incorrect in cases where the entire hash table does not fit in the
> specified size.
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