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https://issues.apache.org/jira/browse/HADOOP-949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doug Cutting resolved HADOOP-949.
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Resolution: Fixed
I just reverted the patch from HADOOP-248. Thanks, Nigel!
> reduce hangs after applying HADOOP-248 on 20 node cluster
> ---------------------------------------------------------
>
> Key: HADOOP-949
> URL: https://issues.apache.org/jira/browse/HADOOP-949
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.10.1
> Reporter: Nigel Daley
> Assigned To: Owen O'Malley
>
> After HADOOP-248 was committed, my benchmarks started to hang. Running
> TestDFSIO on 20 nodes, the job's single reduce is hanging. Annodated logs
> from the task tracker running the reduce are included in the next comment. I
> have reverted the patch using:
> cd $trunk_dir
> svn merge -r 500410:500397 .
> and reran some benchmarks. They all pass.
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