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Questions tagged [message-ack]

An ACK message is a confirmation signal sent to acknowledge the reception of a previous message sent via a communication channel.

Quoting Wikipedia:

In data networking and telecommunications, an acknowledgement (or acknowledgment or ACK) is a signal passed between communicating processes or computers to signify acknowledgement, or receipt of response, as part of a communications protocols.

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Kombu, RabbitMQ: Ack message more than once in a consumer mixin

I have stumbled upon this problem while I was documenting Kombu for the new SO documentation project. Consider the following Kombu code of a Consumer Mixin: from kombu import Connection, Queue from kombu.mixins import ConsumerMixin from…
Adam Matan
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Are ordering guarantees in Google pubsub enforced upon on acknowledgement or upon arrival?

I have a subscription with ordering enabled and I am setting an ordering key when enqueuing messages on a topic. In practice I see very little evidence of subscriber affinity in the logs. This does not technically violate the specification as…
murungu
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RabbitMQ publisher confirms with topic exchange - BasicAcks only fires once the first time

Using a topic exchange, I would like to have a publish/subscribe messaging pattern with the following features: Have "publisher confirms" implemented. Have the consumer acknowledge each message as well once it has processed it. Use routing keys to…
user1984695
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