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If the scope query parameter is set to cluster, the worker that receives this request will write a record to the config topic instructing all workers in the cluster to adjust their log levels. It will then read to the end of the config topic, guaranteeing that at least the worker that received the request has adjusted its log levels. This is similar to how the API to restart all tasks for a connector en masse was implemented as part of KIP-745.

Since cluster metadata is not required to handle these types of request, they will not be forwarded to the leader, and they will be eligible for handling even during rebalances. This is similar (though not identical) to existing logic for pausing and resuming connectors in distributed mode.

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