hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Matt McCline (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-15892) Vectorization: Fast Hash tables need to do bounds checking during expand
Date Tue, 14 Feb 2017 20:42:41 GMT

    [ https://issues.apache.org/jira/browse/HIVE-15892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15866623#comment-15866623
] 

Matt McCline commented on HIVE-15892:
-------------------------------------

[~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}



--
This message was sent by Atlassian JIRA
(v6.3.15#6346)

Mime
View raw message