Guozhang Wang created KAFKA-6791:
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Summary: Add a CoordinatorNodeProvider in KafkaAdminClient
Key: KAFKA-6791
URL: https://issues.apache.org/jira/browse/KAFKA-6791
Project: Kafka
Issue Type: Improvement
Components: admin
Reporter: Guozhang Wang
As we add more and more coordinator-related requests to the admin client, we
can consider adding a CoordinatorNodeProvider to consolidate the common logic
pattern of finding the coordinator first, then send the corresponding request.
Note that 1) with this provider interface it is almost not possible to batch
multiple groupIds per coordinator; there has to be a little more refactoring to
make it work. 2) for some requests like list consumers, group ids are not known
beforehand and hence we cannot use this provider as well.
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