[rabbitmq-discuss] Exchange with throttling

Sat Jul 28 11:52:16 BST 2012

Thanks,

I've finally made a plugin to do that. I think what I wanted to do It
cannot be possible with mechanism you sent me in the email.

The plugin is here
https://github.com/flopezluis/rabbitmq-throttling-exchange, It has a lot to
improve and certainly I'm not sure of the impact of this exchange in the
performance of rabbitmq.

2012/7/24 Emile Joubert <emile at rabbitmq.com>

> Hi,
>
> On 23/07/12 18:20, Félix wrote:
> > Is there anything similar in rabbitmq?
>
> Yes, the broker has a connection-based flow control mechanism - see
> http://www.rabbitmq.com/memory.html#per-connection
> and a blog post that explains further:
>
> http://www.rabbitmq.com/blog/2012/04/17/rabbitmq-performance-measurements-part-1/
>
> Bear in mind that blocking an Erlang process will lead to a backlog in
> its internal mailbox without slowing down the network. Also, the
> exchange is not a natural control point for bandwidth limiting, because
> an exchange is not a process. A channel would be a more natural choice.
> You may be able to adapt the existing flow control mechanism to grant
> credits based on bandwidth rather than message count.
>
>
>
> -Emile
>
>

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