[rabbitmq-discuss] Rabbitmq consumer grouping
matthias at rabbitmq.com
Thu Oct 11 22:20:27 BST 2012
On 11/10/12 16:47, kishore g wrote:
>> I was not aware of consumer load balancing feature, does it assign
>> each queue to one consumer or any consumers will consume from any
The latter, and tcp backpressure from consumers, or, if basic.qos
prefetch is set, the flow of acks, affects the selection of a consumer
for a message and thus balances the load.
>> I was talking about a case where the queues(partitions) are
>> divided among the consumers. Lets say the consumers want to do some
>> aggregation on a key, then it would be better if all messages for a
>> given key go to one consumer. Does it make sense?
I see. You are right, that is not something that rabbitmq supports
directly. It's been on our todo list for a while and we get asked about
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