Hao Li created KAFKA-14981:
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Summary: Set `group.instance.id` in streams consumer so that
rebalance will not happen if a instance is restarted
Key: KAFKA-14981
URL: https://issues.apache.org/jira/browse/KAFKA-14981
Project: Kafka
Issue Type: Improvement
Components: streams
Reporter: Hao Li
`group.instance.id` enables static membership so that if a consumer is
restarted within `session.timeout.ms`, rebalance will not be triggered and
originally assignment can be returned directly from broker. We can set this id
in Kafka streams using `threadId` so that no rebalance is trigger within
`session.timeout.ms`
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