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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-5464) StreamsKafkaClient should not use StreamsConfig.POLL_MS_CONFIG
Date Fri, 07 Jul 2017 18:40:01 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-5464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16078505#comment-16078505
] 

ASF GitHub Bot commented on KAFKA-5464:
---------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/kafka/pull/3496


> StreamsKafkaClient should not use StreamsConfig.POLL_MS_CONFIG
> --------------------------------------------------------------
>
>                 Key: KAFKA-5464
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5464
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 0.10.2.1, 0.11.0.0
>            Reporter: Matthias J. Sax
>            Assignee: Matthias J. Sax
>             Fix For: 0.10.2.2, 0.11.0.1, 0.11.1.0
>
>
> In {{StreamsKafkaClient}} we use an {{NetworkClient}} internally and call {{poll}} using
{{StreamsConfig.POLL_MS_CONFIG}} as timeout.
> However, {{StreamsConfig.POLL_MS_CONFIG}} is solely meant to be applied to {{KafkaConsumer.poll()}}
and it's incorrect to use it for the {{NetworkClient}}. If the config is increased, this can
lead to a infinite rebalance and rebalance on the client side is increased and thus, the client
is not able to meet broker enforced timeouts anymore.



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