How to Monitor PHP-FPM with Prometheus

The article provides a comprehensive guide on monitoring PHP-FPM using Prometheus, a popular tool for Kubernetes monitoring. It explains the installation process of a PHP-FPM exporter as a sidecar to collect metrics from PHP-FPM applications, detailing the necessary configurations and environment variables for seamless integration. Key monitoring metrics such as server status, request processing, CPU and memory usage, traffic, saturation, and latency are highlighted, along with Prometheus queries to track these metrics effectively. By setting up dashboards and analyzing these metrics, users can gain insights into application performance, identify potential bottlenecks, and troubleshoot issues efficiently.