Consumer Acknowledgements and Publisher Confirms — RabbitMQ

Overview This guide covers two related features related to data safety, consumer Acknowledgements and publisher confirms: Why acknowledgements exist Manual and automatic acknowledgement modes Acknowledgement API, including multi-acks and requeueing Automatic requeueing on connection loss or channel closure Channel prefetch and its effects on throughput Most common client errors Publisher confirms

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標準的なAQMPでは到達保障のためにトランザクションしかなく、250倍くらい遅い。そこでConfirms誕生。