Learn more about Erlang, a functional, concurrency-oriented programming language that powers applications like WhatsApp and WeChat. (more…)

I was helping debug a performance problem (this networking puzzle) in an Erlang program yesterday. I learned that Erlang is complicated, and that we can learn maybe 2 things about it by just looking at what system calls it’s running. (more…)

Over the last few weeks I’ve been working on ErlangPL as my Google Summer of Code project. The part of the project I’ve been working on aimed at analysing the performance of the ETS (Erlang Term… (more…)

Erlang/OTP deployments that want to provide shell access or cluster nodes relied on something called the Erlang Port Mapper Daemon (EPMD), a separate process th... (more…)

Learn how to use Helm charts to deploy a Presence Docker image to Kubernetes and install Prometheus and Grafana dashboards for monitoring the cluster. (more…)