message-queue Questions

3

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I'm using Kafka's high-level consumer. Because I'm using Kafka as a 'queue of transactions' for my application, I need to make absolutely sure I don't miss or re-read any messages. I have 2 questio...

1

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I want to implement an exactly once delivery system with Nats Jetstream. Documentation says that Jetstream has this option, but there is no samples or details about that how it's work and how clien...
Filipe asked 30/6, 2022 at 10:50

5

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I've been getting more into the internals of the Node.js architecture, and a term I see coming up a lot is "tick" as in "next tick of the event loop" or the function nextTick(). What I haven't see...
Comeback asked 6/11, 2013 at 20:57

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I'm trying to emulate AWS SQS functionality using https://github.com/roribio/alpine-sqs container. I was able to run the docker container and send the messages to the queue using terminal. configu...
Therapsid asked 26/9, 2019 at 13:37

3

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From my understanding, Celery is a distributed task queue, which means the only thing that it should do is dispatching tasks/jobs to others servers and get the result back. RabbitMQ is a message qu...
Zerline asked 31/1, 2012 at 10:8

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I'm writing a .NET Windows Forms application that will post a message to a Websphere MQ queue and then poll a different queue for a response. If a response is returned, the application will partial...
Warrick asked 24/6, 2009 at 15:52

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I am trying to understand what JMS and how it is connected to AMQP terminology. I know JMS is an API and AMQP is a protocol. Here are my assumptions (and questions as well) RabbitMQ uses AMQP p...
Deviltry asked 1/3, 2013 at 3:43

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I want to convert one of my synchronous API into asynchronous. And I believe queue are one way to do this. Like a publisher will push(synchronously) the message into queue which will be consumed by...

2

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I was able to consume multiple messages that are sent by multiple producers to the same exchange with different routing key using the above code and was able to insert each message to database. Bu...
Hildegardhildegarde asked 9/8, 2016 at 7:28

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I've been playing with message queues (System V, but POSIX should be ok too) in Linux recently and they seem perfect for my application, but after reading The Art of Unix Programming I'm not sure i...
Aksel asked 8/6, 2009 at 22:26

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Can someone explain what's the message queue in Android? Is it the list of processes running? I can't find a good source explaining it. I am asking because I was reading about the method post of ...
Metencephalon asked 13/4, 2018 at 17:19

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I have 2 services. Both of them need subscribe to the same channel. The 2 services are load balanced. Each service runs on multiple servers. So how can I be sure only 1 instance of each service c...
Sewing asked 25/8, 2011 at 19:47

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I have a small set of messages in an SQS queue, that are not deleted even though a deletion request sent to the AWS endpoint returns with a 200 response. The messages are processed by my applicatio...
Overhasty asked 17/4, 2012 at 15:35

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I have a Cloud Function that is being triggered from a Pub/Sub topic. I want to rate limit my Cloud Function, so I set the max instances to 5. In my case, there will be a lot more produced messages...

0

I'm looking for the fastest way (in terms of latency) to communicate between two processes the fact that an event has occurred. To be more precise I have numpy array in a shared memory where one pr...
Nathanaelnathanial asked 27/9, 2021 at 9:15

5

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I wonder what is the difference between them. Are they describing the same thing? Is Google App Engine Service Task Queue is an implementation of Message Queue?
Surgical asked 9/4, 2012 at 15:49

4

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We have 2 ActiveMQ nodes on different VMs (e.g. hosts: amq1, amq2). They are linked as master/slave cluster. We would like to connect to this cluster with failover protocol. How can this be done? S...

5

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Kafka splits incoming messages up into partitions, according to the partition assigned by the producer. Messages from partitions then get consumed by consumers in different consumer groups. This ...
Loginov asked 24/3, 2016 at 17:18

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My distributed application consists of many producers that push tasks into several FIFO queues, and multiple consumers for every one of these queues. All these components live on a single node, so ...
Compensatory asked 12/2, 2020 at 21:49

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JavaScript's event loop uses a message queue to schedule work, and runs each message to completion before starting the next. As a result, a niche-but-surprisingly-common pattern in JavaScript code ...
Shillong asked 24/5, 2021 at 21:46

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I'm looking for a solution to have scheduled messages with RabbitMQ, so not only delaying the messages as described in several sources but schedule it to have a message e.g. every day. If not Rabb...
Dexterdexterity asked 25/11, 2016 at 14:39

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I have seen a lot of examples on the internet of chats using web sockets and RabbitMQ (https://github.com/videlalvaro/rabbitmq-chat), however I do not understand why it is need it a message queue f...
Kaph asked 24/8, 2016 at 11:36

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Is it possible to send a messaging request to Amazon's SQS directly from javascript? I'm trying to create a logging system and would love to bypass sending the request to a middleman server. Also, ...
Rapture asked 6/12, 2011 at 0:29

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In operating system what is the difference between message queues and mailboxes.
Cordiality asked 27/10, 2015 at 15:24

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I am using RabbitMQ to queue up all the messages and send the messages as SMS to respective consumers. I am using a Direct exchange and I have correctly created a binding to a queue with a routing ...
Magalimagallanes asked 26/9, 2018 at 6:34

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