travis created KAFKA-19829:
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Summary: Implement group-level initial rebalance delay
Key: KAFKA-19829
URL: https://issues.apache.org/jira/browse/KAFKA-19829
Project: Kafka
Issue Type: Improvement
Components: streams
Affects Versions: 4.2.0
Reporter: travis
Assignee: travis
Fix For: 4.2.0
During cloudlimits testing, an artifact of the new rebalance protocol showed
up. In some cases, the first joining member gets all active tasks assigned, and
is slow to revoke the tasks after more member has joined the group. This
affects in particular cases where the first member is slow (possibly overloaded
in the case of cloudlimits benchmarks) and there are a lot of tasks to be
assigned.
To help with this situation, we want to introduce a new group-specific
configuration to delay the initial rebalance.
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