diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
index 9d76679759d..2b7d985692a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
@@ -1706,7 +1706,7 @@ public class YarnConfiguration extends Configuration {
 
   public static final String AMRM_PROXY_CLIENT_THREAD_COUNT = NM_PREFIX
       + "amrmproxy.client.thread-count";
-  public static final int DEFAULT_AMRM_PROXY_CLIENT_THREAD_COUNT = 25;
+  public static final int DEFAULT_AMRM_PROXY_CLIENT_THREAD_COUNT = 3;
 
   public static final String AMRM_PROXY_INTERCEPTOR_CLASS_PIPELINE =
       NM_PREFIX + "amrmproxy.interceptor-class.pipeline";