Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Since its inception in 2012, many companies and organizations have adopted Prometheus, and the project has a very active developer and user community. It is now a standalone open source project and maintained independently of any company.
Prometheus's main features are:
- A multi-dimensional data model (time series identified by metric name and key/value pairs).
- A flexible query language to leverage this dimensionality.
- No reliance on distributed storage; single server nodes are autonomous.
- Time series collection happens via a pull model over HTTP.
- Pushing time series is supported via an intermediary gateway.
- Targets are discovered via service discovery or static configuration.
- Multiple modes of graphing and dashboarding support.
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