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Posted to dev@kafka.apache.org by "Jason Gustafson (JIRA)" <ji...@apache.org> on 2018/05/30 15:36:00 UTC

[jira] [Resolved] (KAFKA-3834) Consumer should not block in poll on coordinator discovery

     [ https://issues.apache.org/jira/browse/KAFKA-3834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Gustafson resolved KAFKA-3834.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

Fixed by KIP-266

> Consumer should not block in poll on coordinator discovery
> ----------------------------------------------------------
>
>                 Key: KAFKA-3834
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3834
>             Project: Kafka
>          Issue Type: Improvement
>          Components: consumer
>            Reporter: Jason Gustafson
>            Assignee: Jason Gustafson
>            Priority: Major
>             Fix For: 2.0.0
>
>
> Currently we block indefinitely in poll() when discovering the coordinator for the group. Instead, we can return an empty record set when the passed timeout expires. The downside is that it may obscure the underlying problem (which is usually misconfiguration), but users typically have to look at the logs to figure out the problem anyway. 



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