Hi Jun, No, Kafka doesn't delete these topics from Zookeeper ever, unless you've run a delete command against the cluster. I'd expect either an issue with Zookeeper or an admin having manually deleted the configuration.
Thanks Tom Crayford Heroku Kafka On Thu, Aug 18, 2016 at 2:42 AM, Jun MA <mj.saber1...@gmail.com> wrote: > Hi, > > We are using confluent 0.9.0.1 and we’ve noticed recently that we lost > __consumer_offsets and _schemas (used for schema registry) topic level > config. We checked zookeeper config/topics/ and found that there is no > __consumer_offsets and _schemas topic. Our server level config use cleanup > policy delete not compact, so theoretically there should be topic level > cleanup policy = compact config for those topics. We think we had those > config before but for some reason we lost them. I’m trying to understand if > there is any circumstance that kafka will purge the config/topics/ in > zookeeper? > > We’ve removed some other topic from zookeeper directly before because > there’s some issue asking kafka to delete for us, I’m not sure if that is > related (we didn’t delete config/topics/ in zookeeper). > > Thanks, > Jun
