Building Fault Tolerant Micro Services Kristoffer Erlandsson kristoffer.erlandsson@avanza.se @kerlandsson Building Fault Tolerant Micro Services Why? Failure modes Stability patterns Monitoring guidelines Kristoffer Erlandsson 250+ services 1000+ service instances (JVMs) Largest actor on the Stockholm Stock Exchange Acme Books Database Web Application Database Web Application Database Web Applicat