@Override
public String toString() {
TrafficCounter traffic = trafficCounter();
final StringBuilder buf = new StringBuilder(512);
long readThroughput = traffic.lastReadThroughput();
buf.append("Read Throughput: ").append(readThroughput / 1024L).append(" KB/sec, ");
buf.append(lastReads).append(" msg/sec\n");
long writeThroughput = traffic.lastWriteThroughput();
buf.append("Write Throughput: ").append(writeThroughput / 1024).append(" KB/sec, ");
buf.append(lastWrites).append(" msg/sec");