Status

Current state: Under Discussion Accepted

Discussion thread: https://lists.apache.org/thread/mbjlgbv2q4x5ml7mx93ls77bg93wtrfy

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• If nodeId is valid, the Admin client sends ApiVersionRequest to a node with nodeId.

• If nodeId is not registered, the Admin client throws TimeoutException.

kafka-features.sh

• The empty —-node-id can work as usual.

• If nodeId is negative, the FeatureCommand throws IllegalArgumentException.

• If nodeId is valid, the FeatureCommand get gets ApiVersionResponse from a node with nodeId.

• If nodeId is not registered, the FeatureCommand throws AdminCommandFailedException.

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Alternatives

N/AUse metrics to track finalized level and minimum / maximum supported level. The approach has been accepted in KIP-1180: Add generic feature level metrics.