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https://issues.apache.org/jira/browse/KAFKA-15275?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lianet Magrans resolved KAFKA-15275.
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Resolution: Fixed
> Implement consumer group membership state machine
> -------------------------------------------------
>
> Key: KAFKA-15275
> URL: https://issues.apache.org/jira/browse/KAFKA-15275
> Project: Kafka
> Issue Type: Sub-task
> Components: clients, consumer
> Reporter: Kirk True
> Assignee: Lianet Magrans
> Priority: Major
> Labels: kip-848, kip-848-client-support
>
> Provide the Java client support for the consumer group member state machine,
> including:
> * Define the states of the client member, based on the heartbeat
> {{ConsumerGroupHeartbeat}} data structure & state transitions
> * Determine the valid transitions between those states
> * Provide functions to update state on successful and failed HB responses
> The state machine won't do any error handling, it's just responsible for
> doing the appropriate state transitions and keeping the member info (id,
> epoch, assignment)
> This task is part of the work to implement support for the new KIP-848
> consumer group protocol.
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