---
title: Oak
subtitle: Elixir Prometheus Exporter
date: 2025-08-25 00:00:00
featured_image: https://images.unsplash.com/photo-1647866873870-92d45763ef44?q=90&fm=jpg&w=1000&fit=max
excerpt: Oak is a high-performance metrics collection and aggregation library written in Elixir.
---

![](https://images.unsplash.com/photo-1647866873870-92d45763ef44?q=90&fm=jpg&w=1000&fit=max)

[Oak](https://github.com/Clivern/Oak) is a high-performance metrics collection and aggregation library written in Elixir that provides Prometheus-compatible metrics.


### Features:

* **Prometheus Compatibility**: Exports metrics in standard Prometheus format for easy integration
* **HTTP Metrics Tracking**: Automatic tracking of HTTP requests, response times, and status codes
* **Custom Business Metrics**: Support for tracking application-specific business logic metrics
* **Erlang VM Integration**: Built-in runtime metrics collection from the Erlang VM
* **Phoenix Integration**: Seamless integration with Phoenix applications via plugs and controllers
* **High Performance**: Designed for high-throughput applications with minimal overhead
* **Flexible Architecture**: Modular design supporting counters, histograms, and custom metric types


<a href="https://github.com/Clivern/Oak" class="button button--large">View the Project</a>