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https://issues.apache.org/jira/browse/HIVE-16151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin reassigned HIVE-16151:
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> BytesBytesHashTable allocates large arrays
> ------------------------------------------
>
> Key: HIVE-16151
> URL: https://issues.apache.org/jira/browse/HIVE-16151
> Project: Hive
> Issue Type: Bug
> Reporter: Prasanth Jayachandran
> Assignee: Sergey Shelukhin
>
> These arrays cause GC pressure and also impose key count limitations on the
> table. Wrt the latter, we won't be able to get rid of it without a 64-bit
> hash function, but for now we can get rid of the former.
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