When Prometheus has gathered a list of targets, it can start retrieving metrics. Endpoints are either supplied by a static configuration or discovered through a service discovery process.

Targets may be physical endpoints or an exporter that attaches to a system and generates metrics from it. Prometheus monitoring works by identifying a target, which is an endpoint that supplies metrics for Prometheus to store. Client Libraries – These can be used to instrument your applications for monitoring by Prometheus.AlertManager – A system that manages alerts with Prometheus.Exporters are external programs purpose-built for specific hardware or applications. Exporters – These are add-ons that ingest data from various sources and produce scrapable metrics for the Prometheus app.The app allows you to retrieve the metrics when queried. The core Prometheus app – This is responsible for scraping and storing metrics in an internal time series database, or sending data to a remote storage backend.Prometheus is an open-source tool for collecting metrics and sending alerts. Prometheus Metrics: A Practical Guide to Types, Uses, Functions, Exporters, and More What Are Prometheus Metrics? CalicoCon + Cloud-Native Security Summit.

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