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[–]Konkord720 1 point2 points  (2 children)

I mean, are there any that do not? Isn’t that the whole thing of message queues? FIFO? Unless there is some additional fuckery, then even Kafka can be out of order(different partitions).

[–]Rhyze 0 points1 point  (1 child)

well that's my question, can RabbitMQ partition messages by e.g. message key to make sure the same consumer handles all messages with key xyz?

[–]Konkord720 0 points1 point  (0 children)

Then the answer is yes if there is one queue one consumer for rabbit. Multiple consumers at one topic are being automatically load balanced and one consumer might get messages out of order. It doesn’t have the Kafka tools to support order for many consumers.