Tyler Monahan created KAFKA-6839:
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Summary: ZK session retry with cname record
Key: KAFKA-6839
URL: https://issues.apache.org/jira/browse/KAFKA-6839
Project: Kafka
Issue Type: Bug
Affects Versions: 1.1.0
Reporter: Tyler Monahan
I have a 3 node kafka cluster setup in aws that talks to a 3 node zk cluster
behind an elb. I am giving the kafka instances a dns cname record that points
to the aws elb which is another cname record pointing to two A records. When
the aws elb cname record changes the two A records it is pointing at and kafka
trys to reconnect to zk after losing a session it uses the old A records and
not the new ones so the reconnect attempt fails. There appears to be some kind
of caching instead of using the record that is set in the config file.
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