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• The name max.response.size intends to mirror the existing max.request.size from the producer's configuration properties. However, max.request.size intends to check the size of producer records as provided by a client; while max.response.size is to check the size directly decoded from the network according to Kafka's binary protocol.
• On the broker, the property socket.request.max.bytes is used to validate the size of messages received by the server. The new property serves the same purpose, which introduces duplicated semantic, even if one property is characterised with the keyword "request" and the other with "response", in both cases reflecting the perspective adopted from either a client or a server.

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