Hi Tao, You may want to take a look at the current progress we are making at MM:
https://issues.apache.org/jira/browse/KAFKA-1650 which makes a zero data-loss MM, and: https://issues.apache.org/jira/browse/KAFKA-1839 attempts to remove possible duplicates at MM. Guozhang On Wed, Jan 21, 2015 at 7:47 AM, tao xiao <xiaotao...@gmail.com> wrote: > Hi all, > > I have two mirror maker processes running on two different machines > fetching messages from same topic from one data center to another data > center. These two processes are assigned to the same consumer group. If I > want no data loss or data duplication even when one of the mirror maker > processes die I need to find a way to inform another process the offset the > last successfully sent message by the dead process but I know the offset > stored in zookeeper is the offset the last consumed message by mirror maker > not the offset last successfully sent message, is there a way to configure > mirror maker to achieve exact one message semantic? > > -- > Regards, > Tao > -- -- Guozhang