[KAFKA-8397] Add pre-registration feature for static membership

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Assignee: Boyang Chen
• Reporter: Boyang Chen
• Created: 20/May/19 21:54
• Updated: 20/May/19 21:54

Description

After [KIP-345|https://cwiki.apache.org/confluence/display/KAFKA/KIP-345%3A+Introduce+static+membership+protocol+to+reduce+consumer+rebalances], we want to further improve user experience for reducing rebalances by providing admin tooling to batch send join group requests for multiple consumers if we know their `group.instance.id`s beforehand.

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