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https://issues.apache.org/jira/browse/HIVE-15892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15866623#comment-15866623
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Matt McCline commented on HIVE-15892:
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[~jdere] [~gopalv] Can one of you review please. I tried writing a test but
either it takes too long or runs out of memory...
> Vectorization: Fast Hash tables need to do bounds checking during expand
> ------------------------------------------------------------------------
>
> Key: HIVE-15892
> URL: https://issues.apache.org/jira/browse/HIVE-15892
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-15892.01.patch, HIVE-15892.02.patch
>
>
> VectorMapJoinFastLongHashTable line 165 gets NegativeArraySizeException:
> {code}
> long[] newSlotPairs = new long[newSlotPairArraySize];
> {code}
> We need to add a size check... Java math for this wrapped around to negative:
> {code}
> int newSlotPairArraySize = newLogicalHashBucketCount * 2;
> {code}
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