diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index b06b4346f03..b8a711d6927 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -201,6 +201,8 @@ Release 2.0.3-alpha - Unreleased
     YARN-135. Client tokens should be per app-attempt, and should be
     unregistered on App-finish. (vinodkv via sseth)
 
+    YARN-302. Fair scheduler assignmultiple should default to false. (sandyr via tucu)
+
 Release 2.0.2-alpha - 2012-09-07 
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairSchedulerConfiguration.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairSchedulerConfiguration.java
index 06dc436d638..cf460996d8d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairSchedulerConfiguration.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairSchedulerConfiguration.java
@@ -56,7 +56,7 @@ public class FairSchedulerConfiguration extends Configuration {
 
   /** Whether to assign multiple containers in one check-in. */
   protected static final String  ASSIGN_MULTIPLE = CONF_PREFIX + "assignmultiple";
-  protected static final boolean DEFAULT_ASSIGN_MULTIPLE = true;
+  protected static final boolean DEFAULT_ASSIGN_MULTIPLE = false;
 
   /** Whether to give more weight to apps requiring many resources. */
   protected static final String  SIZE_BASED_WEIGHT = CONF_PREFIX + "sizebasedweight";