@Override
  public String getStatus() {
    if (getState() != State.RUNNING) {
      return super.getStatus();
    }
    return super.getStatus() + " from " + getClient() + ": " + getRPC();
  }
Gets the status of this handler; if it is currently servicing an RPC, this status will include
the RPC information.
@return a String describing the current status.
hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/MonitoredRPCHandlerImpl.java