did a push in cloud. after new instance for broker 0 comes up, I see a lot of WARNs in log file.
2014-09-09 04:21:09,271 WARN kafka.utils.Logging$class:83 [request-expiration-task] [warn] [KafkaApi-0] Fetch request with correlation id 51893 from client 1409779957450-6014fc32-0-0 on partition [foo,1] failed due to Partition [foo,1] doesn't exist on 0 2014-09-09 04:21:09,383 WARN kafka.utils.Logging$class:83 [kafka-request-handler-5] [warn] [KafkaApi-0] Fetch request with correlation id 51894 from client 1409779957450-6014fc32-0-0 on partition [foo,2] failed due to Partition [foo,2] doesn't exist on 0 zookeeper shows it is the leader after this new instance come back. {"controller_epoch":5,"leader":0,"version":1,"leader_epoch":0,"isr":[0,5]} {"controller_epoch":5,"leader":0,"version":1,"leader_epoch":1,"isr":[0,1]} but we I check the data dirs. those two partitions aren't there. any idea? Thanks, Steven