[jira] [Updated] (KAFKA-2572) zk connection instability, perhaps precipitated by zk client timeout during rebalance

["John Firth (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-2572?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Firth updated KAFKA-2572:
------------------------------
    Attachment: 091115-full.log.zip
                091115-digest.log
                090815-full.log
                090815-digest.log

> zk connection instability, perhaps precipitated by zk client timeout during rebalance
> -------------------------------------------------------------------------------------
>
>                 Key: KAFKA-2572
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2572
>             Project: Kafka
>          Issue Type: Bug
>          Components: zkclient
>    Affects Versions: 0.8.2.1
>         Environment: zk version 3.4.6,
> CentOS 6, 2.6.32-504.1.3.el6.x86_64
>            Reporter: John Firth
>         Attachments: 090815-digest.log, 090815-full.log, 091115-digest.log, 091115-full.log.zip
>
>
> On two occasions, have seen zk session expiry, followed by a timeout during a consumer rebalance following this expiry, followed by multiple successive zk session expiries. Comparing these with a case in which a new stable zk session was created following a session expiry, the timeout during rebalance is not seen in the successful case.



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