HADOOP-380. Fix reduce tasks to poll less frequently for map outputs.

git-svn-id: https://svn.apache.org/repos/asf/lucene/hadoop/trunk@425348 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -76,6 +76,9 @@ Trunk (unreleased changes)
 21. HADOOP-344.  Fix some Windows-related problems with DF.
     (Konstantin Shvachko via cutting)
 
+22. HADOOP-380.  Fix reduce tasks to poll less frequently for map
+    outputs. (Mahadev Konar via cutting)
+
 
 Release 0.4.0 - 2006-06-28
 

src/java/org/apache/hadoop/mapred/ReduceTaskRunner.java

@@ -528,7 +528,7 @@ class ReduceTaskRunner extends TaskRunner {
       } catch (InterruptedException ie) { } // IGNORE
       currentTime = System.currentTimeMillis();
     }
-    lastPollTime = pollTime;
+    lastPollTime = currentTime;
 
     return jobClient.locateMapOutputs(reduceTask.getJobId().toString(), 
                                       neededIds,