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https://grokbase.com/t/activemq/users/089t97rpsm/at-least-once-guaranteed-delivery
Sep 26, 2008 · Bruce Snyder ActiveMQ implements the JMS 1.1 spec therefore message delivery is guaranteed according to use of various qualities of service. More specifically (and taken directly from the JMS spec), persistent messages are delivered once-and-only-once and non-persistent messages are delivered at-most-once.
http://activemq.2283324.n4.nabble.com/At-least-once-guaranteed-delivery-td2361129.html
Sep 26, 2008 · On Fri, Sep 26, 2008 at 7:31 AM, krv <[hidden email]> wrote: > > Hi, > > Does ActiveMQ support guaranteed delivery such that a message is delivered > at least once to one of the consumers? ActiveMQ implements the JMS 1.1 spec therefore message delivery is guaranteed according to use of various qualities of service. More specifically (and taken directly from the JMS spec), persistent …
https://activemq.apache.org/what-is-the-prefetch-limit-for
This is the natural consequence of message consumption typically being much slower than message delivery. To avoid this situation ActiveMQ therefore employs a prefetch limit to limit the maximum number of messages that can be dispatched to an individual consumer at once. The consumer in turn uses the prefetch limit to size its prefetch message ...
http://activemq.2283324.n4.nabble.com/does-AUTO-ACKNOWLEDGE-guarantee-once-and-only-once-semantic-for-queue-consumer-td4678300.html
does AUTO_ACKNOWLEDGE guarantee once and only once semantic for queue consumer? ... is there any practical usage of JMS(activemq) in real world in industry such as financial or e-commerce? on the other hand, does JMS guarantee at least once delivery?
https://activemq.apache.org/delay-and-schedule-message-delivery.html
Delay and Schedule Message Delivery. ActiveMQ from version 5.4 has an optional persistent scheduler built into the ActiveMQ message broker. It is enabled by setting the broker schedulerSupport attribute to true in the Xml Configuration. An ActiveMQ client can take advantage of a delayed delivery by using the following message properties:
https://www.rabbitmq.com/reliability.html
Once it does so, the broker is free to mark the delivery for deletion. Similarly, the broker will confirm messages once it has taken responsibility for them. The details are covered in the Acknowledgements and Confirms guide. Use of acknowledgements guarantees at least once delivery.
https://dzone.com/articles/guaranteed-messaging-topics
Guaranteed Messaging For Topics, the JMS Spec, and ActiveMQ ... This insures once-and-only-once message delivery for messages delivered from a queue or a durable subscription. ... In ActiveMQ ...Author: Christian Posta
https://www.atomikos.com/Blog/ReviewUnderstandingMessageBrokersKafkaVersusActiveMQ
Sep 15, 2017 · This article is our review of the ebook "Understanding Message Brokers" published by O'Reilly. It's a biased review because we approach messaging from the perspective of transactional exactly-once delivery - but if you're interested in exactly-once delivery then this article is …
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