[rabbitmq-discuss] hanging on message sending with py-amqplib

[tsuraan]

> Would setting a really low prefetch for this consumer
> cause rabbit to send fewer messages to that consumer without
> acknowledgement, and thus maybe provide some degree of throttling?  I
> don't think I'm setting the prefetch limit on that channel at all
> right now, which would maybe explain why it can keep working even when
> rabbit is unable to handle any tx_commits or publishes.

For the archives, setting a prefetch message count limit of 1,000 is
allowing my other agents to proceed.  I'm concerned that there is
might be a starvation condition inside of rabbit, but the throttling
does seem to keep it from manifesting.