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Posted to dev@kafka.apache.org by "Sadek (JIRA)" <ji...@apache.org> on 2015/12/17 13:49:46 UTC

[jira] [Created] (KAFKA-3004) Controller failing over repeatadly

Sadek created KAFKA-3004:
----------------------------

             Summary: Controller failing over repeatadly
                 Key: KAFKA-3004
                 URL: https://issues.apache.org/jira/browse/KAFKA-3004
             Project: Kafka
          Issue Type: Bug
          Components: controller
    Affects Versions: 0.8.2.0
         Environment: Centos 6.5
OpenJDK 1.7.0_79
6 Kafka nodes
3 ZK nodes (cluster mode)

            Reporter: Sadek
            Assignee: Neha Narkhede


While doing load testing we have noticed that the controller will fail over almost every hour with the following entry on its log:

INFO [SessionExpirationListener on 4], ZK expired; shut down all controller components and try to re-elect (kafka.controller.KafkaController$SessionExpirationListener)


I've tried increasing zookeeper.connection.timeout.ms to 60000 but it doesn't seem to help.

Any idea what may be causing this?


Thanks!



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