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https://issues.apache.org/jira/browse/HADOOP-5750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley updated HADOOP-5750:
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Attachment: h5750.patch
This patch pulls out the partitioner into the MapTask and splits on whether it
is a new or old style Mapper. It also moves the test case over to a distributed
test case so that it runs with 2 reduces and can detect this problem.
We *really* need to fix local test runner to handle multiple reduces.
> Partitioner does not work with new API
> --------------------------------------
>
> Key: HADOOP-5750
> URL: https://issues.apache.org/jira/browse/HADOOP-5750
> Project: Hadoop Core
> Issue Type: Bug
> Affects Versions: 0.20.0
> Reporter: Jothi Padmanabhan
> Assignee: Owen O'Malley
> Priority: Blocker
> Fix For: 0.20.1
>
> Attachments: h5750.patch
>
>
> Partitioner does not work with the new API. MapTask.java looks for
> "mapred.partitioner.class" whereas the new API sets it to
> mapreduce.partitioner.class
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