Lucas Brutschy created KAFKA-19372:
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Summary: StreamsGroup should not be subscribed to a topic when it
is empty
Key: KAFKA-19372
URL: https://issues.apache.org/jira/browse/KAFKA-19372
Project: Kafka
Issue Type: Sub-task
Reporter: Lucas Brutschy
We should behave more like a consumer group and make sure to not be subscribed
to the input topics anymore when the last member leaves the group. We don't do
this right now because our topology is still initialized even after the last
member leaves the group.
This will allow:
- Offsets to expire and be cleaned up.
- Offsets to be deleted through admin API calls.
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