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https://issues.apache.org/jira/browse/KAFKA-6126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax reassigned KAFKA-6126:
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Assignee: Matthias J. Sax
> Reduce rebalance time by not checking if created topics are available
> ---------------------------------------------------------------------
>
> Key: KAFKA-6126
> URL: https://issues.apache.org/jira/browse/KAFKA-6126
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 1.0.0
> Reporter: Matthias J. Sax
> Assignee: Matthias J. Sax
> Fix For: 1.1.0
>
>
> Within {{StreamPartitionAssignor#assign}} we create new topics and afterwards
> wait in an "infinite loop" until topic metadata propagated throughout the
> cluster. We do this, to make sure topics are available when we start
> processing.
> However, with this approach we "extend" the time in the rebalance phase and
> thus are not responsive (no calls to `poll` for liveness check and
> {{KafkaStreams#close}} suffers). Thus, we might want to remove this check and
> handle potential "topic not found" exceptions in the main thread gracefully.
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