diff --git a/conf/autoload_configs/event_multicast.conf.xml b/conf/autoload_configs/event_multicast.conf.xml
index b362ebc459..eac0392607 100644
--- a/conf/autoload_configs/event_multicast.conf.xml
+++ b/conf/autoload_configs/event_multicast.conf.xml
@@ -4,6 +4,7 @@
     <param name="port" value="4242"/>
     <param name="bindings" value="all"/>
     <param name="ttl" value="1"/>
+    <!-- <param name="loopback" value="no"/>-->
     <!-- Uncomment this to enable pre-shared key encryption on the packets. -->
     <!-- For this option to work, you'll need to have the openssl development -->
     <!-- headers installed when you ran ./configure -->
diff --git a/conf/autoload_configs/mongo.conf.xml b/conf/autoload_configs/mongo.conf.xml
index a7fdecae8d..ff8daed72a 100644
--- a/conf/autoload_configs/mongo.conf.xml
+++ b/conf/autoload_configs/mongo.conf.xml
@@ -3,5 +3,12 @@
     <param name="host" value="127.0.0.1:27017"/>
     <param name="min-connections" value="10"/>
     <param name="max-connections" value="100"/>
+
+<!--
+    <param name="map" value="function() { emit(this.a, 1); }"/>
+    <param name="reduce" value="function(key, values) { return Array.sum(values); }"/>
+    <param name="finalize" value="function(key, value) { return value;}"/>
+-->
+
   </settings>
 </configuration>