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From "Jun Rao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-5473) handle ZK session expiration properly when a new session can't be established
Date Mon, 06 Nov 2017 21:21:10 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-5473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16240928#comment-16240928
] 

Jun Rao commented on KAFKA-5473:
--------------------------------

[~prasincs], after the discussion in KIP-217, we decided not to expose a reconnect timeout
config and just retry the creation of the Zookeeper object infinitely. Do you still plan to
work on this jira? If not, could you unassign yourself so that someone else could work on
it? Thanks.

> handle ZK session expiration properly when a new session can't be established
> -----------------------------------------------------------------------------
>
>                 Key: KAFKA-5473
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5473
>             Project: Kafka
>          Issue Type: Sub-task
>    Affects Versions: 0.9.0.0
>            Reporter: Jun Rao
>            Assignee: Prasanna Gautam
>             Fix For: 1.1.0
>
>
> In https://issues.apache.org/jira/browse/KAFKA-2405, we change the logic in handling
ZK session expiration a bit. If a new ZK session can't be established after session expiration,
we just log an error and continue. However, this can leave the broker in a bad state since
it's up, but not registered from the controller's perspective. Replicas on this broker may
never to be in sync.



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