brokerService = new BrokerService();
SystemUsage usage = brokerService.getSystemUsage();
usage.getTempUsage().setLimit(1025*1024*15);
// put something in the temp store to on demand initialise it
PList dud = brokerService.getTempDataStore().getPList("dud");
dud.addFirst("A", new ByteSequence("A".getBytes()));
}