Fix IsolationRunner to run with reduces too
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Key: MAPREDUCE-1325
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1325
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: task
Affects Versions: 0.21.0
Reporter: Vinod K V
Fix For: 0.21.0
HADOOP-4041 fixed various problems with IsolationRunner, but to keep the patch
simple it completely broke it for reduces and postponed the effort for another
issue. We should fix IsolationRunner to work with reduces here.
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