title: RabbitMQ - Manually putting a producer in flow control
body: <p>In one of our applications the back pressure did not work and there was a huge pileup in a queue on RabbitMQ. This caused the RMQ node to choke.</p>
  
  <p>Is there a way to apply flow control (manually) on that queue in such cases? That would have slowed down the producer and given us headroom.</p>