We have shut down some nodes from our cluster yesterday and now we are seeing tons of these in the log,
2016-02-24 18:11:23 INFO SyncProducer:68 - Connected to ip-172-30-198-64.us-west-2.compute.internal:9092 for producing 2016-02-24 18:11:23 INFO SyncProducer:68 - Disconnecting from ip-172-30-198-64.us-west-2.compute.internal:9092 2016-02-24 18:11:23 INFO ConsumerFetcherManager:68 - [ConsumerFetcherManager-1456295103918] Added fetcher for partitions ArrayBuffer() 2016-02-24 18:11:23 INFO VerifiableProperties:68 - Verifying properties 2016-02-24 18:11:23 INFO VerifiableProperties:68 - Property client.id is overridden to utils_backup 2016-02-24 18:11:23 INFO VerifiableProperties:68 - Property metadata.broker.list is overridden to ip-172-30-198-19.us-west-2.compute.internal:9092,ip-172-30-198-64.us-west-2.compute.internal:9092,ip-172-30-200-37.us-west-2.compute.internal:9092 2016-02-24 18:11:23 INFO VerifiableProperties:68 - Property request.timeout.ms is overridden to 30000 2016-02-24 18:11:23 INFO ClientUtils$:68 - Fetching metadata from broker id:8,host:ip-172-30-198-64.us-west-2.compute.internal,port:9092 with correlation id 189686 for 2 topic(s) Set(container, profile-data-2) I am new to Kafka so although I know it has something to do with the brokers, I would like to know what has happened and what is the best way to fix it? TIA