This is what they use.
- http://graphite.wikidot.com/screen-shots | Screen Shots - Graphite
- https://github.com/etsy/statsd/blob/master/docs/graphite.md | statsd/docs/graphite.md at master · etsy/statsd · GitHub
- http://ericfarkas.com/posts/statsd-graphite-ubuntu/ | Setting up statsd + graphite on Ubuntu 12.04 LTS
- https://github.com/janoside/ubuntu-statsd-graphite-setup | janoside/ubuntu-statsd-graphite-setup · GitHub
- http://drupalcode.org/project/statsd.git/tree/refs/heads/7.x-1.x | drupalcode.org Git - project/statsd.git/tree
- http://collectd.org/ | Start page – collectd – The system statistics collection daemon
- http://hackerific.net/2012/02/27/monitoring-things-with-collectd/ | Monitoring Things with collectd
- https://github.com/sensu/sensu-community-plugins | sensu/sensu-community-plugins · GitHub
- http://petey5king.github.io/2012/03/30/sensu-a-collectd-replacement.html | mostly operational
- http://www.sonian.com/cloud-monitoring-sensu/ | Cloud Monitoring by Sensu | Sonian
- https://github.com/pantheon-systems/sensu-dashboard
- http://www.pagerduty.com/
- http://aws.amazon.com/route53/ | Amazon Route 53