MirrorMaker 2 Offset Sync and Consumer Group Restoration Interoperability
Restoring a topic replicated by MirrorMaker 2 into a target cluster requires resuming consumer groups at the correct logical position without duplicates or gaps. MirrorMaker 2 periodically writes consumer-group offset mappings to an internal offset-sync topic, translating source log positions into target-cluster offsets. These checkpoints are point-in-time a
apachekafka