Riemann

Free, self-hosted network event stream processing system for monitoring and alerting.

PlatformWebfreeglobal

Riemann is a free, self-hosted network event stream processing system, written in Clojure, that lets ops teams aggregate events from servers and applications into rich metrics and trigger alerts using programmable logic rather than fixed threshold rules. It's aimed at teams that need more expressive, stream-based monitoring than a standard rule engine provides.

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