HADOOP-3143. Decrease number of slaves from 4 to 3 in TestMiniMRDFSSort, as

Hudson generates false negatives under the current load. Contributed by Nigel
Daley.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.17@646603 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -212,6 +212,10 @@ Release 0.17.0 - Unreleased
     HADOOP-3152.  Make index interval configuable when using
     MapFileOutputFormat for map-reduce job.  (Rong-En Fan via cutting)
 
+    HADOOP-3143. Decrease number of slaves from 4 to 3 in TestMiniMRDFSSort,
+    as Hudson generates false negatives under the current load.
+    (Nigel Daley via cdouglas)
+
   OPTIMIZATIONS
 
     HADOOP-2790.  Fixed inefficient method hasSpeculativeTask by removing

src/test/org/apache/hadoop/mapred/TestMiniMRDFSSort.java

@@ -38,7 +38,7 @@ public class TestMiniMRDFSSort extends TestCase {
   private static final Path SORT_OUTPUT_PATH = new Path("/sort/output");
 
   // Knobs to control randomwriter; and hence sort
-  private static final int NUM_HADOOP_SLAVES = 4;
+  private static final int NUM_HADOOP_SLAVES = 3;
   private static final int RW_BYTES_PER_MAP = 50000;
   private static final int RW_MAPS_PER_HOST = 5;