--- conf/cassandra-env.sh.orig	2011-11-04 11:47:16.000000000 +0100
+++ conf/cassandra-env.sh	2011-11-09 16:50:50.124144710 +0100
@@ -192,3 +192,4 @@
 JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.port=$JMX_PORT" 
 JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.ssl=false" 
 JVM_OPTS="$JVM_OPTS -Dcom.sun.management.jmxremote.authenticate=false" 
+JVM_OPTS="$JVM_OPTS $JVM_OVERRIDE_OPTS"