Prometheus
Prometheus - A versatile monitoring system with a powerful time-series database
Prometheus is an open-source monitoring system that collects metrics via scraping, stores them as time-series, and provides a flexible query language for analysis.
Official WebsiteCategory
Observability & Monitoring
First Release
2012
License
APS 2.0-compatible open source
Maintained By
Rainbond (initial contributors) / SoundCloud engineers (origin) — later maintained by the Prometheus community
Latest News
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Difficulty
Intermediate 2/3
Moderate due to mastering PromQL, multi-dimensional metrics, and deployment patterns; basic use is straightforward, but large-scale setups require experience.