diff --git a/tools/package/bin/onos-service b/tools/package/bin/onos-service
index 9647b3e..86840f1 100755
--- a/tools/package/bin/onos-service
+++ b/tools/package/bin/onos-service
@@ -4,7 +4,8 @@
 # -----------------------------------------------------------------------------
 
 #export JAVA_HOME=${JAVA_HOME:-/usr/lib/jvm/java-7-openjdk-amd64/}
-export JAVA_OPTS="${JAVA_OPTS:--Xms256m -Xmx2g}"
+export JAVA_OPTS="${JAVA_OPTS:--Xms512m -Xmx2G}"
+# export JAVA_OPTS="${JAVA_OPTS:--Xms2G -Xmx8G}" # -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+PrintGCDetails -XX:+PrintGCTimeStamps}"
 
 ONOS_HOME=/opt/onos