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https://issues.apache.org/jira/browse/KAFKA-3262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guozhang Wang updated KAFKA-3262:
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Labels: user-experience (was: developer-experience)
> Make KafkaStreams debugging friendly
> ------------------------------------
>
> Key: KAFKA-3262
> URL: https://issues.apache.org/jira/browse/KAFKA-3262
> Project: Kafka
> Issue Type: Sub-task
> Components: streams
> Affects Versions: 0.10.0.0
> Reporter: Yasuhiro Matsuda
> Labels: user-experience
> Fix For: 0.10.1.0
>
>
> Current KafkaStreams polls records in the same thread as the data processing
> thread. This makes debugging user code, as well as KafkaStreams itself,
> difficult. When the thread is suspended by the debugger, the next heartbeat
> of the consumer tie to the thread won't be send until the thread is resumed.
> This often results in missed heartbeats and causes a group rebalance. So it
> may will be a completely different context then the thread hits the break
> point the next time.
> We should consider using separate threads for polling and processing.
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