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https://issues.apache.org/jira/browse/HADOOP-8331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13265180#comment-13265180
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Suresh Srinivas commented on HADOOP-8331:
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BTW patch looks really huge? Is this correct patch?
> Created patch that adds oracle support to DBInputFormat and solves a
> splitting duplication problem introduced with my last patch.
> ---------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-8331
> URL: https://issues.apache.org/jira/browse/HADOOP-8331
> Project: Hadoop Common
> Issue Type: Improvement
> Components: io
> Affects Versions: 1.0.0
> Environment: Redhat x86_64 cluster
> Reporter: Joseph Doss
> Labels: package
> Fix For: 1.0.0, 1.0.2
>
> Attachments:
> hadoop-1.0.0-20120426-DBInputFormat-stopDuplicatingSplits.patch
>
>
> This patch mainly resolves an overlap of records when splitting tasks in
> DBInputFormat, thereby removing duplication of records processed. Tested on
> 1.0.0 and 1.0.2
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