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MAPREDUCE-3139. SlivePartitioner generates negative partitions. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1196776 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jakob Homan 2011-11-02 19:38:31 +00:00
parent a4baabe4a4
commit 201a18de0c
2 changed files with 3 additions and 1 deletions
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2
hadoop-mapreduce-project/CHANGES.txt
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@ -2506,6 +2506,8 @@ Release 0.22.0 - Unreleased
MAPREDUCE-2531. Fixed jobcontrol to downgrade JobID. (Robert Evans via
acmurthy)
MAPREDUCE-3139. SlivePartitioner generates negative partitions. (jghoman)
Release 0.21.1 - Unreleased
NEW FEATURES

2
hadoop-mapreduce-project/src/test/mapred/org/apache/hadoop/fs/slive/SlivePartitioner.java
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@ -34,6 +34,6 @@ public class SlivePartitioner implements Partitioner<Text, Text> {
@Override // Partitioner
public int getPartition(Text key, Text value, int numPartitions) {
OperationOutput oo = new OperationOutput(key, value);
return oo.getOperationType().hashCode() % numPartitions;
return (oo.getOperationType().hashCode() & Integer.MAX_VALUE) % numPartitions;
}
}