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From "Matthias J. Sax (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KAFKA-5464) StreamsKafkaClient should not use StreamsConfig.POLL_MS_CONFIG
Date Sat, 17 Jun 2017 00:02:00 GMT
Matthias J. Sax created KAFKA-5464:
--------------------------------------

             Summary: 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


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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