the reduce tasks do not report progress if they the map output locations is
empty.
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Key: HADOOP-262
URL: http://issues.apache.org/jira/browse/HADOOP-262
Project: Hadoop
Type: Bug
Components: mapred
Reporter: Mahadev konar
Assigned to: Mahadev konar
The ReduceTaskRunner should report progress even if the number of ouput
locations to copy is empty. In case, the last few maps are running on a
tasktracker that goes down, all the reduce tasks waiting for these mapoutputs
would fail.
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