addressed review comments: set the default group commit time to 40ms
diff --git a/asterix-installer/src/main/resources/conf/asterix-configuration.xml b/asterix-installer/src/main/resources/conf/asterix-configuration.xml
index 9f531c0..6b3133c 100644
--- a/asterix-installer/src/main/resources/conf/asterix-configuration.xml
+++ b/asterix-installer/src/main/resources/conf/asterix-configuration.xml
@@ -126,9 +126,9 @@
 
 	<property>
 		<name>txn.log.groupcommitinterval</name>
-		<value>10</value>
+		<value>40</value>
 		<description>The group commit wait time in milliseconds. (Default =
-			"10" // 0.1ms)
+			"40" // 40ms)
 		</description>
 	</property>