diff -r 6f8f18ac1d54 -r 7b751fe181a5 src/jdk.jfr/share/classes/jdk/jfr/internal/EventInstrumentation.java
--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/EventInstrumentation.java	Thu Sep 12 20:46:55 2019 -0700
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/EventInstrumentation.java	Fri Sep 13 18:46:07 2019 +0200
@@ -121,7 +121,7 @@
     private final boolean untypedEventHandler;
     private boolean guardHandlerReference;
     private Class<?> superClass;
-    private final static boolean streamingCommit = true; //!SecuritySupport.getBooleanProperty("jfr.instrument.streaming");
+    private final static boolean streamingCommit = false; //!SecuritySupport.getBooleanProperty("jfr.instrument.streaming");
 
     EventInstrumentation(Class<?> superClass, byte[] bytes, long id) {
         this.superClass = superClass;