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https://issues.apache.org/jira/browse/HIVE-10704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14560489#comment-14560489
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Mostafa Mokhtar commented on HIVE-10704:
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Done, command line rb was giving me some headache.
> Errors in Tez HashTableLoader when estimated table size is 0
> ------------------------------------------------------------
>
> Key: HIVE-10704
> URL: https://issues.apache.org/jira/browse/HIVE-10704
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Jason Dere
> Assignee: Mostafa Mokhtar
> Fix For: 1.2.1
>
> Attachments: HIVE-10704.1.patch, HIVE-10704.2.patch,
> HIVE-10704.3.patch
>
>
> Couple of issues:
> - If the table sizes in MapJoinOperator.getParentDataSizes() are 0 for all
> tables, the largest small table selection is wrong and could select the large
> table (which results in NPE)
> - The memory estimates can either divide-by-zero, or allocate 0 memory if the
> table size is 0. Try to come up with a sensible default for this.
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