the value returned from getPartition should be checked to make sure it is in
the range 0..#reduces-1
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Key: HADOOP-3424
URL: https://issues.apache.org/jira/browse/HADOOP-3424
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.17.0
Reporter: Owen O'Malley
Assignee: Chris Douglas
Since HADOOP-2919, map tasks haven't complained if getPartition returns numbers
outside of the valid range. This leads to applications where some of the
transient output is ignored (all of the rows marked for reduce -1, for example,
are discarded, because reduce -1 doesn't exist.)
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