Just an FYI, I am seeing this behavior with one producer, one consumer and
two brokers.


riteshtijoriwala wrote:
> 
> I have two consumers C1 and C2 and two brokers B1 and B2 that see each
> other. I have one producer P1.
> 
> P1 is connected initially to B1 and C2 is connected to B1. C1 is connected
> to B2. The initial start is as follows:
> 
> P1 produces 1, 2, 3, 4, 5, 6, (B1 failed),  7, 8, 9, 10.
> C1 gets 1, 3, 5, 7, 9, 8
> C2 gets 2, 4, 6, (B1 failed), 10
> 
> As seen above, I fail B1. P1 and C2 failover to B2. But now the strange
> things happen. C1 starts to get messages out of order. Is there a way to
> prevent this? How can I ensure that in case of broker failure, after
> failover has occurred, consumers will receive messages in order.
> 
> To be specific, how can I assure that msg # 8 is processed before message
> # 9 & 10?
> 
> 
> 

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