> 1) Does Offset Commit/Fetch API works with Simple Consumer ? Yes - in 0.8.2.1. There is an example given at https://cwiki.apache.org/confluence/display/KAFKA/Committing+and+fetching+consumer+offsets+in+Kafka
> 2) With MM, can you selectively MM offset topic. > > Use Case: > Let's suppose you want to build Active Consumer Group in DC1 and passive > Consumer Group (Not yet started in DC 2). Can you MM single offset topic > and when DC1 consumer Group goes down, DC2 (with manual or automated > custom logic) start same consumer group with last committed offset. Is > this possible ? Not sure I follow - the passive consumer would just need to start up with the same group right? Then it would pick up the last committed offset in DC1 for that group. Thanks, Joel
