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Posted to users@kafka.apache.org by Igor Velichko <ig...@dataart.com> on 2017/03/15 14:37:18 UTC

Consumer group stable state

Hi all,

is it possible to determine on client's side when consumer group's state 
become stable in group coordinator? From what I see (Kafka 0.9.0.1), 
when a consumer subscribes to a topic, it's not immediately ready to 
receive messages because of rebalancing process in the broker. So I'd 
like to know when my consumer is completely initialized and is able to 
receive messages. It would be especially helpful for integration tests 
with in-memory Kafka cluster.


-- 
Best regards,
Igor Velichko