[
https://issues.apache.org/jira/browse/HIVE-6924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13976081#comment-13976081
]
Jitendra Nath Pandey commented on HIVE-6924:
--------------------------------------------
VectorHashKeyWrapper also uses Arrays.hashCode(). VectorHashKeyWrapper is used
in VectorGroupByOperator for keys to the aggregates. Murmur hash should help
there as well.
> MapJoinKeyBytes::hashCode() should use Murmur hash
> --------------------------------------------------
>
> Key: HIVE-6924
> URL: https://issues.apache.org/jira/browse/HIVE-6924
> Project: Hive
> Issue Type: Improvement
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-6924.patch
>
>
> Existing hashCode is bad, causes HashMap to cluster
--
This message was sent by Atlassian JIRA
(v6.2#6252)
