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· 3 min read

Observability (monitoring functionality) has always played an important role in system maintenance. A good monitoring system can help engineers quickly understand the status of services running in production environments and can locate problems or give early warning of anomalies when they occur.

Prometheus is a leading open-source project focused on metrics and alerting that has changed the way the world does monitoring and observability. And Apache APISIX Ingress Controller has enhanced its support for Prometheus Metrics in recent releases, adding a new feature for use in conjunction with the public-api plugin. This article will introduce how to configure public-api to protect Prometheus to collect Apache APISIX Ingress Controller's Metrics data.