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https://issues.apache.org/jira/browse/MAPREDUCE-34?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved MAPREDUCE-34.
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Resolution: Not A Problem
This was probably fixed. DFSClient recovery works as intended in current
releases - stable or trunk.
> Reduce step hangs while recovering a block from bad datanode
> ------------------------------------------------------------
>
> Key: MAPREDUCE-34
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-34
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Ramya Sunil
>
> The reduce step hangs infinitely when its trying to recover a block from a
> bad datanode. The node from which the block is being retrieved is alive and
> TT and DN are up and running.
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