System Monitoring

Monitoring

Riemann

Riemann aggregates events from your servers and applications with a powerful stream processing language. Send an email for every exception raised by your code. Track the latency distribution of your web app. See the top processes on any host, by memory and CPU. Combine statistics from every Riak node in your cluster and forward to Graphite. Send alerts when a key process fails to check in. Know how many users signed up right this second. http://riemann.io

Graphite

Scalable Realtime Graphing - http://graphite.wikidot.com

Statsd

by etsy; Simple daemon for easy stats aggregation; node.js based https://github.com/etsy/statsd

Prometheus

http://5pi.de/2015/02/10/prometheus-on-raspberry-pi/

Logging

Papertrail (SaaS)

https://papertrailapp.com

Logspout (source)

https://github.com/progrium/logspout