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From Robert Surówka (Updated) (JIRA) <j...@apache.org>
Subject [jira] [Updated] (HIVE-2555) Make the hashmap in map-side group by pluggable
Date Fri, 18 Nov 2011 02:51:51 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Surówka updated HIVE-2555:
---------------------------------

    Attachment: HIVE-2555.4.patch
    
> Make the hashmap in map-side group by pluggable
> -----------------------------------------------
>
>                 Key: HIVE-2555
>                 URL: https://issues.apache.org/jira/browse/HIVE-2555
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Namit Jain
>            Assignee: Robert Surówka
>         Attachments: HIVE-2555.2.patch, HIVE-2555.3.patch, HIVE-2555.4.patch
>
>
> There are a couple of implementations available (other than java.util.HashMap) - COLT,
TROVE etc. to name a few.
> If the hashmap was pluggable, it would be easy to play around with different hash maps
and tune performance.

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