SRE & monitoring of distributed systems

• Google SRE book, Chapter 6
  https://sre.google/sre-book/monitoring-distributed-systems/
  
  (and more globally, the whole Goolge SRE book explains a full methodology of SRE from monitoring to incident management)
  
  

2 different type of recommended monitoring : USE and RED

• RED Method explained at GrafanaCon 2018  https://grafana.com/blog/2018/08/02/the-red-method-how-to-instrument-your-services/
  
  
• USE Deep dive  http://brendangregg.com/usemethod.html