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3
votes
1answer
55 views

Web API to Windows Service communication via ZeroMQ

I have an ASP.NET Web API 2 web service. This is the interface customers will use to submit data. I have a Windows Service running on an internal server. I will be sending the customer's POST data to ...
1
vote
1answer
67 views

Eventing solutions for java legacy applications too old for real JMS queue/topic eventing?

What are some architectural solutions that can mimic eventing for systems (Java) that are too old to implement eventing solutions, such as conventional Queue/Topic based JMS messaging? I have a ...
0
votes
1answer
30 views

Message queues: Cluster of “send mail” and analytics consumers, ensure dispatch to only one mail-consumer and only one analytics-consumer

It seems there's lots of ways to create a task queue where something like a round-robin algo rotate tasks between consumers, but say I have a user queue, and I want to both send a welcome mail and do ...
4
votes
0answers
78 views

Best practice for ensuring name uniqueness/correctness in message queues in a microservice architecture/distributed system

I was wondering what a good solution would be for ensuring that queue-names are entered correctly and are only used by the correct applications in a large system which uses message queues to exchange ...
2
votes
0answers
468 views

Architecture design for Java servlet that triggers work (for sending push notifications)

I'm designing a push notification server (for pushing notification via APNS and Google servers) and have come up with the following design for a Java based web application server. I would really like ...
2
votes
0answers
251 views

How to schedule large numbers of user-defined tasks?

Say you're running a website which generates a large number of tasks that should be run at particular times (e.g. reminder emails). You could run a cron which SELECTs a database table for unprocessed ...
1
vote
0answers
26 views

Handling cases where the message queue is unreachable

We are using Apache Camel with ActiveMQ in a microservice architecture in a growing system of integration solutions. I was wondering how each service should react when they are unable to connect to ...
1
vote
0answers
74 views

Guaranteed message sending for messages of different priority for different modules

We have created a message que system using priority messages. The idea behind this is as follows: We have a list of clients. All clients know if (and what kind of priority) messages they have ...
1
vote
0answers
31 views

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 ...
1
vote
0answers
64 views

Job queue dispatching based on resource constraints

We have a job-queue shaped hole in our architecture, but it isn't immediately obvious that there's a piece of existing software to fill it. There may be a reason for this, or there might not, so let ...
1
vote
0answers
78 views

Improve communication between controller and trackers in a Twitter fetcher tool using RabbitMQ or Apache Flume

I've been working for a time with some researches developing a tool to fetch tweets from Twitter and process them in some way. The first prototype "worked" but became a pain as we used sockets to ...
0
votes
0answers
9 views

Integrating ActiveMQ in jetty

I was wondering how to integrate an ActiveMQ message broker into jetty, so that jetty starts up the broker (or ensures that it is running) before running the services. Right now we have solved this ...
0
votes
0answers
28 views

Set up E-Mail message queue with digest system

We're currently building out a system to send out e-mail notifications in a digest format. We'll be delegating the actual sending to Sendgrid, but first we need to construct these messages using the ...
0
votes
0answers
52 views

Fault-tolerant, distributed, event dispatcher architecture?

I'm building an event handler/dispatcher for my monolith, aiming to slowly replace big parts of it by delegating jobs to other systems via events. For example, sending emails when a customer buys ...
0
votes
0answers
177 views

When to use a message queue as a web service database?

Does it make sense to implement a message queue system such as RabbitMQ or Kafka for the purpose of storing data in a queue? For example, this could be done in order to handle things such as ...