Hi 👋, In this article I wanna show a testing tip that I’ve recently learned myself by reading Software Engineering at Google: Lessons Learned from Programming Over Time. The technique improved the way I write unit tests. When I’m writing bigger unit tests, I have execute something in the background, like for example publishing a message to a message broker, wait for the message to be published and then consume it to test that what I published is correct....
Hi 👋 In this article we’ll talk about the Object Pool pattern in Golang. The Object Pool pattern is a design pattern used in situations when constructing objects is a costly operation, for example building an HTTPClient or DatabaseClient object can take some time. By having a pool of resources, the resources are requested from the pool when needed and then returned when not needed so they can be reused later....
Hello 👋, In this article I will give you some tips on how to improve the throughput of a message producer. I had to write a Golang based application which would consume messages from Apache Kafka and send them into a sink using HTTP JSON / HTTP Protocol Buffers. To see if my idea works, I started using a naïve approach in which I polled Kafka for messages and then send each message into the sink, one at a time....