Ammend MAPREDUCE-3395.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20-security@1201810 13f79535-47bb-0310-9956-ffa450edef68

src/mapred/mapred-default.xml

@@ -1189,6 +1189,16 @@
   </description>
 </property>
 
+<property>
+  <name>mapred.disk.healthChecker.interval</name>
+  <value>60000</value>
+  <description>How often the TaskTracker checks the health of its
+  local directories. Configuring this to a value smaller than the
+  heartbeat interval is equivalent to setting this to heartbeat
+  interval value.
+  </description>
+</property>
+
 <!--  Node health script variables -->
 
 <property>
@@ -1208,16 +1218,6 @@
   in milliseconds</description>
 </property>
 
-<property>
-  <name>mapred.disk.healthChecker.interval</name>
-  <value>60000</value>
-  <description>How often the TaskTracker checks the health of its
-  local directories. Configuring this to a value smaller than the
-  heartbeat interval is equivalent to setting this to heartbeat
-  interval value.
-  </description>
-</property>
-
 <property>
   <name>mapred.healthChecker.script.timeout</name>
   <value>600000</value>