OpenTSDB

http://opentsdb.net/

Store and server massive amounts of time series data without losing granularity.


 * http://opentsdb.net/docs/build/html/index.html
 * http://fr.slideshare.net/HBaseCon/ecosystem-session-6?next_slideshow=1
 * http://fr.slideshare.net/oliverhankeln/opentsdb-metrics-for-a-distributed-world
 * http://opentsdb.net/docs/build/html/user_guide/utilities/nagios.html