Reduce step hangs while recovering a block from bad datanode
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Key: HADOOP-5324
URL: https://issues.apache.org/jira/browse/HADOOP-5324
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.20.0
Reporter: Ramya R
Fix For: 0.20.0
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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