diff --git a/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/api/TezRuntimeConfiguration.java b/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/api/TezRuntimeConfiguration.java
index 9c2f7c3..64e6a71 100644
--- a/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/api/TezRuntimeConfiguration.java
+++ b/tez-runtime-library/src/main/java/org/apache/tez/runtime/library/api/TezRuntimeConfiguration.java
@@ -488,7 +488,7 @@
   public static final String TEZ_RUNTIME_TRANSFER_DATA_VIA_EVENTS_ENABLED =
           TEZ_RUNTIME_PREFIX + "transfer.data-via-events.enabled";
   @Private
-  public static final boolean TEZ_RUNTIME_TRANSFER_DATA_VIA_EVENTS_ENABLED_DEFAULT = false;
+  public static final boolean TEZ_RUNTIME_TRANSFER_DATA_VIA_EVENTS_ENABLED_DEFAULT = true;
 
   @Private
   public static final String TEZ_RUNTIME_TRANSFER_DATA_VIA_EVENTS_MAX_SIZE =