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https://issues.apache.org/jira/browse/KAFKA-15548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kirk True updated KAFKA-15548:
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Summary: Send GroupConsumerHeartbeatRequest on Consumer.close() (was:
Ensure all resources created by the Consumer are close()-ed properly)
> Send GroupConsumerHeartbeatRequest on Consumer.close()
> ------------------------------------------------------
>
> Key: KAFKA-15548
> URL: https://issues.apache.org/jira/browse/KAFKA-15548
> Project: Kafka
> Issue Type: Sub-task
> Components: clients, consumer
> Reporter: Philip Nee
> Assignee: Philip Nee
> Priority: Major
> Labels: consumer-threading-refactor, kip-848, kip-848-e2e,
> kip-848-preview
>
> Upon closing of the {{Consumer}} we need to:
> # Complete pending commits
> # Revoke assignment (Note that the revocation involves stop fetching,
> committing offsets if auto-commit enabled and invoking the
> onPartitionsRevoked callback)
> # Send the last GroupConsumerHeartbeatRequest with epoch = -1 to leave the
> group (or -2 if static member)
> # Close any fetch sessions on the brokers
> # Poll the NetworkClient to complete pending I/O
> There is a mechanism introduced in PR
> [14406|https://github.com/apache/kafka/pull/14406] that allows for performing
> network I/O on shutdown. The new method
> {{DefaultBackgroundThread.runAtClose()}} will be executed when
> {{Consumer.close()}} is invoked.
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