A network monitoring system
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Riemann aggregates events from your servers and applications with a powerful stream processing language. Send an email for every exception in your app. Track the latency distribution of your web app. See the top processes on any host, by memory and CPU.

Riemann's Features
  • See your system at a glance with a Sinatra app
  • Throttle or roll up multiple events into a single message
  • Forward any event stream to Graphite
  • Query states easily