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https://issues.apache.org/jira/browse/KAFKA-19589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kirk True resolved KAFKA-19589.
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Resolution: Won't Do
> Reduce number of events generated in AsyncKafkaConsumer.updateFetchPositions()
> ------------------------------------------------------------------------------
>
> Key: KAFKA-19589
> URL: https://issues.apache.org/jira/browse/KAFKA-19589
> Project: Kafka
> Issue Type: Improvement
> Components: clients, consumer
> Reporter: Kirk True
> Assignee: Kirk True
> Priority: Major
> Labels: async-kafka-consumer-performance,
> consumer-threading-refactor, performance
>
> We create—and wait on—{{{}CheckAndUpdatePositionsEvents{}}} in
> {{updateFetchPositions()}} even though, in a stable system, 99.9%+ of the
> time there are no updates to perform.
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