We are using Kafka .9 and are playing around with the consumer group feature. We have a lot of junk and stale consumer group information in the consumer groups and want to get rid of it. What’s the best way to do that?
Using Kafka Tool, I see that all the consumer groups are stored in ‘Kafka’ and not ‘Zookeeper’. When I go to zookeeper the consumers node is empty.
I tried using the ConsumerGroupCommand to delete it but since zookeeper shows no consumers this does nothing. If the consumer groups show only being stored in Kafka, are they considered in memory and completely restarting all Kafka nodes remove them? If so – why aren’t they being replicated to zookeeper for persistence?
Nick Cuneo / Software Engineer, Cloud / Enterprise Software
Tel: +1 949 517 4802 / Mobile: +1 949 243 4952
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