[jira] [Created] (KAFKA-3128) Add metric for ZooKeeper events

[Flavio Junqueira (JIRA)]

Flavio Junqueira created KAFKA-3128:
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             Summary: Add metric for ZooKeeper events
                 Key: KAFKA-3128
                 URL: https://issues.apache.org/jira/browse/KAFKA-3128
             Project: Kafka
          Issue Type: Improvement
          Components: core, zkclient
            Reporter: Flavio Junqueira
             Fix For: 0.9.1.0


It would be useful to report via Kafka metrics the number of ZK event 
notifications, such as connection loss events, session expiration events, etc., 
as a way of spotting potential issues with the communication with the ZK 
ensemble.



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