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Questions tagged [pubsub]

Publish/subscribe is a method for wiring software components together. One component publishes data, and subscribers receive events containing the data. This decouples the components so they do not need to know about each other; and it allows for configuration to wire components together without recompiling code.

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Run a job every hour with Lambda or something else?

I am working on a SaaS project that will have a trial when the trial is ending I get a webhook notification when 3 days are remaining. I do some stuff with this and one of the things is I update user....
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Looking for design pattern to represent shared state in music sequencer

I like to give lots of context, but also to state the basic question up top as concisely as possible. Feel free to read a little or a lot. I'm working on a music sequencer, and have been happy so far ...
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Pub-Sub pattern and instance replication

I am porting an event-driven architecture to a container environment (Docker) and I wonder how to take advantage of replication while using pub-sub: if I just increment replicas I end up with many ...
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Securing an Azure Service Bus topic and subscriptions

We are working on a solution that will publish messages on an Azure Service Bus topic but we don't know yet which other team or even third party might be interested in subscribing to those messages in ...
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MVC WebApplication as MQ Subscriber

We have a Web (.Net MVC5) application that we are looking to start offloading some of the heavy processing off the Web Application to a distributed services layer. As part of this process we are ...
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Lazy loading collection data through granular subscriptions and OOP (Meteor.js)

I am transforming my Meteor collection to a class I've created: People = new Mongo.Collection('people', { transform: function(doc) { return new Person(doc); } }); Person has a bunch of ...
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Are message identifiers and offsets the same thing in Kafka?

I am reading up on Kafka and encountered the following on one of the tutorials. The producer sends the following to the broker - unique message identifier, timestamp and a binary payload. The ...
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52 views

Event sourcing access by reference

In an event sourcing architecture, what is the typical pattern for passing information about related objects (aggregates)? For example, in a order processing system, should OrderCreated event (...
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Is NSNotificationCenter an implementation of a PubSub model?

I am trying to understand the subtleties of Publisher-subscriber and similar notification mechanisms. I was checking Cocoa NSNotificationCenter, but it's unclear to me if it can be defined as a PubSub,...