YARN-3554. Default value for maximum nodemanager connect wait time is too high. Contributed by Naganarasimha G R

(cherry picked from commit 9757864fd662b69445e0c600aedbe307a264982e)
(cherry picked from commit 1b95bf9e1be29f51c7272cfb9f31dda71f2dfae7)

hadoop-yarn-project/CHANGES.txt

@@ -24,6 +24,9 @@ Release 2.6.2 - UNRELEASED
     YARN-4087. Followup fixes after YARN-2019 regarding RM behavior when
     state-store error occurs. (Jian He via xgong)
 
+    YARN-3554. Default value for maximum nodemanager connect wait time is too
+    high (Naganarasimha G R via jlowe)
+
 Release 2.6.1 - 2015-09-23
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java

@@ -1465,7 +1465,7 @@ public class YarnConfiguration extends Configuration {
   public static final String CLIENT_NM_CONNECT_MAX_WAIT_MS =
       YARN_PREFIX + "client.nodemanager-connect.max-wait-ms";
   public static final long DEFAULT_CLIENT_NM_CONNECT_MAX_WAIT_MS =
-      15 * 60 * 1000;
+      3 * 60 * 1000;
 
   /** Time interval between each attempt to connect to NM */
   public static final String CLIENT_NM_CONNECT_RETRY_INTERVAL_MS =

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

@@ -1127,7 +1127,7 @@
   <property>
     <description>Max time to wait to establish a connection to NM</description>
     <name>yarn.client.nodemanager-connect.max-wait-ms</name>
-    <value>900000</value>
+    <value>180000</value>
   </property>
 
   <property>