Merge -r 638735:638736 from trunk to 0.16 branch. Fixes HADOOP-2978.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.16@638738 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -11,6 +11,9 @@ Release 0.16.2 - Unreleased
     the block file, changes file position (if needed) and flushes all by
     itself. The PacketResponder thread does not flush block file. (dhruba)
 
+    HADOOP-2978. Fixes the JobHistory log format for counters.
+    (Runping Qi via ddas)
+
 Release 0.16.1 - 2008-03-13
 
   INCOMPATIBLE CHANGES

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

@@ -530,7 +530,7 @@ public class Counters implements Writable, Iterable<Counters.Group> {
         buffer.append(group.getDisplayName());
         buffer.append('.');
         buffer.append(counter.getDisplayName());
-        buffer.append('=');
+        buffer.append(':');
         buffer.append(counter.getCounter());
       }
     }