diff --git a/profiles/killbill/src/main/resources/killbill-server.properties b/profiles/killbill/src/main/resources/killbill-server.properties
index 7444ca7..92083b7 100644
--- a/profiles/killbill/src/main/resources/killbill-server.properties
+++ b/profiles/killbill/src/main/resources/killbill-server.properties
@@ -36,6 +36,14 @@ org.killbill.notificationq.main.sticky=true
org.killbill.persistent.bus.external.sticky=true
org.killbill.persistent.bus.external.inMemory=true
+#org.killbill.persistent.bus.external.sticky=true
+#org.killbill.persistent.bus.external.claimed=1
+#org.killbill.persistent.bus.external.inflight.claimed=1
+#org.killbill.persistent.bus.external.nbThreads=1
+#org.killbill.persistent.bus.external.sleep=0
+#org.killbill.persistent.bus.external.useInflightQ=true
+#org.killbill.persistent.bus.external.queue.capacity=100
+
org.killbill.persistent.bus.main.sticky=true
org.killbill.persistent.bus.main.claimed=1
org.killbill.persistent.bus.main.inflight.claimed=1