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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-250) shared memory java dbm for map-side joins
Date Thu, 23 Apr 2009 21:30:31 GMT

     [ https://issues.apache.org/jira/browse/HIVE-250?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Namit Jain updated HIVE-250:
----------------------------

    Status: Patch Available  (was: Open)

> shared memory java dbm for map-side joins
> -----------------------------------------
>
>                 Key: HIVE-250
>                 URL: https://issues.apache.org/jira/browse/HIVE-250
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Joydeep Sen Sarma
>            Assignee: Joydeep Sen Sarma
>         Attachments: hive.250.1.patch
>
>
> can use either:
> - sdbm: http://freshmeat.net/projects/solingerjavasdbm/
> - jdbm: http://sourceforge.net/projects/jdbm/
> both need modifications to use file mmaps instead of regular file io. will do some testing
to see if there's a major difference between the two.

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