YARN-2230. Fixed few configs description in yarn-default.xml. Contributed by Vijay Bhat

hadoop-yarn-project/CHANGES.txt

@@ -325,6 +325,9 @@ Release 2.7.0 - UNRELEASED
     YARN-2978. Fixed potential NPE while getting queue info. (Varun Saxena via
     jianhe)
 
+    YARN-2230. Fixed few configs description in yarn-default.xml. (Vijay Bhat
+    via jianhe)
+
 Release 2.6.0 - 2014-11-18
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml

@@ -229,32 +229,32 @@
 
   <property>
     <description>The minimum allocation for every container request at the RM,
-    in MBs. Memory requests lower than this won't take effect,
-    and the specified value will get allocated at minimum.</description>
+    in MBs. Memory requests lower than this will throw a
+    InvalidResourceRequestException.</description>
     <name>yarn.scheduler.minimum-allocation-mb</name>
     <value>1024</value>
   </property>
 
   <property>
     <description>The maximum allocation for every container request at the RM,
-    in MBs. Memory requests higher than this won't take effect,
-    and will get capped to this value.</description>
+    in MBs. Memory requests higher than this will throw a
+    InvalidResourceRequestException.</description>
     <name>yarn.scheduler.maximum-allocation-mb</name>
     <value>8192</value>
   </property>
 
   <property>
     <description>The minimum allocation for every container request at the RM,
-    in terms of virtual CPU cores. Requests lower than this won't take effect,
-    and the specified value will get allocated the minimum.</description>
+    in terms of virtual CPU cores. Requests lower than this will throw a
+    InvalidResourceRequestException.</description>
     <name>yarn.scheduler.minimum-allocation-vcores</name>
     <value>1</value>
   </property>
 
   <property>
     <description>The maximum allocation for every container request at the RM,
-    in terms of virtual CPU cores. Requests higher than this won't take effect,
-    and will get capped to this value.</description>
+    in terms of virtual CPU cores. Requests higher than this will throw a
+    InvalidResourceRequestException.</description>
     <name>yarn.scheduler.maximum-allocation-vcores</name>
     <value>32</value>
   </property>