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https://issues.apache.org/jira/browse/MAPREDUCE-840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12742489#action_12742489
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Hudson commented on MAPREDUCE-840:
----------------------------------

Integrated in Hadoop-Mapreduce-trunk #46 (See 
[http://hudson.zones.apache.org/hudson/job/Hadoop-Mapreduce-trunk/46/])
    . DBInputFormat leaves open transaction. Contributed by Aaron Kimball.


> DBInputFormat leaves open transaction
> -------------------------------------
>
>                 Key: MAPREDUCE-840
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-840
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Aaron Kimball
>            Assignee: Aaron Kimball
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: MAPREDUCE-840.patch
>
>
> DBInputFormat.getSplits() does not connection.commit() after the COUNT query. 
> This can leave an open transaction against the database which interferes with 
> other connections to the same table.

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