diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
index a8c19ab8de7..9295288fb75 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
@@ -63,7 +63,7 @@ public abstract class ZKFailoverController {
   
   public static final String ZK_QUORUM_KEY = "ha.zookeeper.quorum";
   private static final String ZK_SESSION_TIMEOUT_KEY = "ha.zookeeper.session-timeout.ms";
-  private static final int ZK_SESSION_TIMEOUT_DEFAULT = 5*1000;
+  private static final int ZK_SESSION_TIMEOUT_DEFAULT = 10*1000;
   private static final String ZK_PARENT_ZNODE_KEY = "ha.zookeeper.parent-znode";
   public static final String ZK_ACL_KEY = "ha.zookeeper.acl";
   private static final String ZK_ACL_DEFAULT = "world:anyone:rwcda";
diff --git a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
index 95645879a75..75acf489e64 100644
--- a/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
+++ b/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
@@ -2168,7 +2168,7 @@
 
 <property>
   <name>ha.zookeeper.session-timeout.ms</name>
-  <value>5000</value>
+  <value>10000</value>
   <description>
     The session timeout to use when the ZKFC connects to ZooKeeper.
     Setting this value to a lower value implies that server crashes