Jason Gustafson created KAFKA-14215:
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Summary: KRaft forwarded requests have no quota enforcement
Key: KAFKA-14215
URL: https://issues.apache.org/jira/browse/KAFKA-14215
Project: Kafka
Issue Type: Bug
Reporter: Jason Gustafson
On the broker, the `BrokerMetadataPublisher` is responsible for propagating
quota changes from `ClientQuota` records to `ClientQuotaManager`. On the
controller, there is no similar logic, so no client quotas are enforced on the
controller.
On the broker side, there is no enforcement as well since the broker assumes
that the controller will be the one to do it. Basically it looks at the
throttle time returned in the response from the controller. If it is 0, then
the response is sent immediately without any throttling.
So the consequence of both of these issues is that controller-bound requests
have no throttling today.
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