Seunghwan Joo

Seunghwan is in charge of LINE OpenChat back-end development

Customizing Armeria metrics

In my last post, Monitoring Prometheus metrics from Armeria, we took a look at how you can monitor Armeria metrics using Grafana. In this post, I would like to show you how you can customize Armeria metrics to suit your needs. The sample code in this post uses the same sample code from Monitoring Prometheus metrics from […]

Monitoring Prometheus metrics from Armeria

In this post, we’ll be taking a look at how you can monitor Prometheus metrics collected with Armeria. For those of you who are trying Armeria for the first time, I will be adding simple practice samples so that you can follow along. Practice exercise The practice session was designed on macOS Big Sur. Let’s now take a look […]

Using Circuit Breakers with Armeria

What is a circuit breaker? Suppose an unexpected failure occurs (For example, a network issue or a server crash) and a remote server is unable to respond to the request. If so, the client who made the request to the remote server will either wait for a response until a timeout occurs, consume resources, or […]