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A comment on Redis vs. Kafka vs. RabbitMQ.

Re:Redis vs. Kafka vs. RabbitMQ by coffeeri on Wednesday January 26, 2022 @06:21AM (#30084185)
Especially if you want one-to-many connections, exactly once delivery and push/ pull consumers, it is worth checking out nats [0, 1]. It is very performant. There are clients for Javascript, Python, Rust and Go [2]. (I am not affiliated with them)

[0] https://nats.io/ [1] https://github.com/nats-io/nats-server [2] https://nats.io/download/#nats-clients

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Re:Redis vs. Kafka vs. RabbitMQ by birdayz on Wednesday January 26, 2022 @06:28AM (#30084239)
that's just not true. NATS does have neither at-least-once nor exactly-once. NATS Jetstream has at-least-once, but it does not have flexible topics anymore like NATS. It's two completely different things.
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Re:Redis vs. Kafka vs. RabbitMQ by coffeeri on Wednesday January 26, 2022 @06:35AM (#30084291)
I was including NATS Jetstream, which has exactly-once message delivery [0].

[0] https://docs.nats.io/nats-concepts/jetstream#exactly-once-me...

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Re:Redis vs. Kafka vs. RabbitMQ by bruth on Wednesday January 26, 2022 @06:51AM (#30084412)
You may be thinking of NATS Streaming which was a predecessor to JetStream. It was indeed a standalone thing that used NATS under the hood. JetStream is now baked into the NATS server.
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