ZeroMQ + NodeJs: Messages not received by subscriber
My publisher (zpub.js) publishes in a loop as shown below. async function publishLoop() { let payload = [] _.forEach(array, (a) => { // process a here to generate someKey and …
Tag: publish-subscribe
Pub-Sub pattern and message broker, how to make sure all subscribers finished working on event
First of all, I am aware that there are good (and lightweight) message brokers available like NATS. If this was a job, I’d certainly go with proven solutions, this is more about curiosity and the will …
pub/sub pattern in javascript versus websocket
I often confused with pubsub design pattern versus protocol like websocket. When new jargon come like reactive programming I became even more confused. To me it’s like WebSocket is a kind of pubsub, …
Notify raspberry pi of new entry in MySQL database on a VPS
I have a VPS with a static IP address running MySQL and Apache server on it and I have a raspberry pi in my home for doing smart IoT stuff. The raspberry pi is connected to the internet and does not …
streaming response body to a streaming request body with java 11 HttpClient
I’m trying stream the data from an HTTP (GET) response to another HTTP (POST) request. With old HttpURLConnection I would take the responses OutputStream, read parts into a buffer and write them to …
error: message from Actor to Actor was not delivered.[1] dead letters encountered. Distributed pub-sub working across clusters not working
I’m trying to make distributed pub-sub across different cluster system but it’s not working whatever i try. All I’m trying to do is create a simple example where. 1) I create a topic, say “content”. …