Message Delivery Semantics

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How Akka Works: 'At Least Once' Message Delivery @lightbend

    https://www.lightbend.com/blog/how-akka-works-at-least-once-message-delivery
    Aug 28, 2019 · Message Delivery Semantics. In Part 1 of this three-part series, we discussed the mechanics of at-most-once message delivery. In part 2 we are going to look at what is called at-least-once message delivery. Finally, in part 3 we will look at exactly-once message delivery.

Exactly-once Semantics is Possible: Here's How Apache ...

    https://www.confluent.io/blog/exactly-once-semantics-are-possible-heres-how-apache-kafka-does-it/
    Jun 30, 2017 · Exactly-once semantics in Apache Kafka, explained. Prior to 0.11.x, Apache Kafka supported at-least once delivery semantics and in-order delivery per partition. As you can tell from the example above, that means producer retries can cause duplicate messages.

You Cannot Have Exactly-Once Delivery – Brave New Geek

    https://bravenewgeek.com/you-cannot-have-exactly-once-delivery/
    Mar 25, 2015 · Server and database? Distributed. Server and message queue? Distributed. You cannot have exactly-once delivery semantics in any of these situations. As I’ve described in the past, distributed systems are all about trade-offs. This is one of them. There are essentially three types of delivery semantics: at-most-once, at-least-once, and exactly ...

RabbitMQ vs Kafka Part 4 - Message Delivery Semantics and ...

    https://jack-vanlightly.com/blog/2017/12/15/rabbitmq-vs-kafka-part-4-message-delivery-semantics-and-guarantees
    Dec 26, 2017 · Both RabbitMQ and Kafka offer durable messaging guarantees. Both offer at-most-once and at-least-once guarantees but kafka offers exactly-once guarantees in a very limited scenario. Let's first understand what these guarantees mean: At-most-once delivery. This means that a message will

Tour of Akka Cluster - Eventual consistency, persistent ...

    https://manuel.bernhardt.io/2018/01/31/tour-akka-cluster-eventual-consistency-persistent-actors-message-delivery-semantics/
    Message delivery semantics. If you remember the previous article, the Executor for a specific acquiring bank is not necessarily co-located on the same node as the node receiving and processing an order. Previously we relied on Akka Distributed Data to distribute orders accross nodes and let the nodes pick the orders that were relevant for them ...

Kafka Producer Delivery Semantics - DZone Big Data

    https://dzone.com/articles/kafka-producer-delivery-semantics
    May 16, 2019 · In an 'at most once' delivery semantics, a message should be delivered maximum only once. It's acceptable to lose a message rather than delivering …Reviews: 1

High Availability Config - Fluentd

    https://docs.fluentd.org/deployment/high-availability
    Message Delivery Semantics. Fluentd is designed primarily for event-log delivery systems. In such systems, several delivery guarantees are possible: At most once: Messages are immediately transferred. If the. transfer succeeds, the message is never sent out again. However,

Apache Kafka

    https://kafka.apache.org/0101/documentation.html
    Here is a description of a few of the popular use cases for Apache Kafka®. For an overview of a number of these areas in action, see this blog post. Messaging Kafka works well as a replacement for a more traditional message broker.

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