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Questions tagged [message-bus]

68 questions
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Use RX on Microsoft.ServiceBus.Messaging.QueueClient (Reactive Extensions)

I have a pricing application. It sends pricing requests to an Azure Service Bus Queue (could be any queue) "PricingRequestQueue". There are a number of workers that pick these up, process them and return the results to a PricingResponse Queue. I…
thehumansaredead
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Message bus: sender must wait for acknowledgements from multiple recipients

In our application the publisher creates a message and sends it to a topic. It then needs to wait, when all of the topic's subscribers ack the message. It does not appear, the message bus implementations can do this automatically. So we are leaning…
Mikhail T.
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Passing messages from Node.js to external systems?

I'm completely new to Node.JS, if I want to pass messages to external systems using a message/event/servicebus.. what alternatives are there that integrates well with Node? The messages are just JSON strings, and external systems can be whatever,…
Roger Johansson
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Is there a Ruby Message Bus gem?

I am currently building an architechture with a rails process and multiple worker processes which need to be informed of certain events (like the creation of an object). Rails | API Worker +----------o------o--------o------ - - - …
iblue
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How to scale out a chat application with SignalR

How would you scale out a chat application (say something like WhatsApp or Telegram) which is using SignalR? Is it even possible or SignalR isn't a solution for this kind of applications?
amiry jd
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STL Container for storing multiple types of values?

I have a Message structure that I am using with a message bus, and I'd like to send data with messages. The problem is that the data will vary in type; maybe for one message I'll just want to send one int, but for another I'll want to send several…
Accumulator
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ObserveOnDispatcher dose not invoke the handler in UI thread

I have a message bus class which use Rx to push multiple threads events in WPF application. My problem ObserveOnDispatcher does not invoke the event handler in the UI thread. Code: private void button_Click(object sender, RoutedEventArgs e) { var…
Bassam Alugili
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Redis messagebus vs. d-bus: what is happening at a low level? Basically the same thing?

I'm honestly surprised I haven't seen this discussed before. My impression is that Redis uses normal internet packet exchange to a server and gets the results back but that d-bus uses unix sockets (pipes) and superimposes a distribution system. I…
Guido
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Basic message_bus gem setup on Rails 5.04

I'm attempting to setup MessageBus gem ( https://github.com/SamSaffron/message_bus ) on a fresh install of Rails 5.04 So far I've run bundle, added message-bus.js and included it in the application.js created an initializer ran a rails scaffold…
jmastuba
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Liferay 7 message Bus

In Liferay 6.2 we used to configure Custom mail in messaging-spring.xml and do entery in service.properties.. To achieve the same in Liferay 7 OSGI module portlet, can anyone guide me how could I configure a message bus in it?
Matrix Panchal
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Using RxJS to implement MessageBus for communication between angularjs modules

Can I create a pub/sub message message queue with RxJS inside angulajs application. I have for example two modules: ModuleA ModuleB They exists as separate npm package but connected in ModuleC - it's the main shell. I don't want to create a…
hackp0int
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How can I stop MassTransit creating exchange bindings for error messages

I'm trying to listen to the error queue to process failed messages but I can't seem to get MassTransit not to set bindings on message that i want it to listen to within the configuration. The configuration is below and is using v3 of…
Kevin Smith
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Message Bus versus Quasar/HTTP for internal Microservice Calls

I am looking to optimize a microservice architecture that currently uses HTTP/REST for internal node-to-node communication. One option is implementing backpressure capability into the services, (eg) by integrating something like Quasar into the…
Robert Christian
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WCF - How to automatically subscribe endpoint address behind load balancer?

I've created a mini message bus which runs operations on its clients (e.g. clear their cache). I'm trying to make it dynamic so every new application added will automatically subscribe its endpoint to the bus so the bus could communicate with it…
BornToCode
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DDD Bounded Context Communication Message Bus

I am integrating different bounded contexts with Windows Service Bus and have some questions: 1) How to detected duplicates in other bounded contexts? Store the last processed message sequence? I want the ability to re-fire events to allow re-sync…
morleyc
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