presto-jmx/src/main/java/io/prestosql/plugin/jmx/JmxConnector.java/JmxConnector/shutdown
class JmxConnector:    @Override
    public void shutdown()
    {
        try {
            jmxPeriodicSampler.shutdown();
        }
        catch (Exception e) {
            log.error(e, "Error shutting down connector");
        }
    }