THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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- REQUEST_TIMED_OUT: if the request timed out.
- NOT_CONTROLLER: if the node we sent the request to was not the controller.
- INVALID_REPLICA_ASSIGNMENT: if the specified replica assignment was not valid-- for example, if it included negative numbers, repeated numbers, or specified a broker ID that the controller was not aware of.
- UNKNOWN_TOPIC_OR_PARTITION - when a topic/partition doesn't exist or a topic deletion is in progress
- NO_REASSIGNMENT_IN_PROGRESS: If a cancellation was called on a topic/partition which was not in the middle of a reassignment
- CLUSTER_AUTHORIZATION_FAILED: If we didn't have sufficient permission to perform the alteration.
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