[rabbitmq-discuss] How to deal with duplicated msgs when using HA mirror?

黄大鹏 7xerocha at gmail.com
Thu May 17 02:27:29 BST 2012

Hi all,

As the article <<High Availability in RabbitMQ: solving part of the
mentioned, when master breakdown,  the last ack maybe not sync to all
slave,so when a slave promote to be a new master, the msgs which actualy be
consumed maybe redelivered to the consumers.
Is there any way to  identify these duplicated messages? our  scenario is :
multi producers, multi queue (every consumer has a private queue ), a
direct exchange and a fanout exchange.

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