code: public void sendCommand(final Command cmd, final byte[]... args) {
          log.trace("[RedisConnectionSync] Command={} {}", cmd.name(), toStringArgs(args));
          connect();
          RedisProtocol.sendCommand(outputStream, cmd, args);
          this.pipelinedCommands++;
      }
docs: Send command.
  
  @param cmd  the cmd
  @param args the args
  @return the redis connection