Resilience 4j

Introduction

• Sometimes, microservice reply on the response from another microservice which make a call chain

• However, if the one of the service is down, the entire chain will get affected

• Resilience is a fault-tolerant library so as to handle the case that the down of the microservice or the slow response of the microservice

Timeout

• If the response time is longer than the timeout that we set, the default fallback message will be returned which is also defined my us

Retry

• We can set the number of retry of calling the api of microservice, but also the interval between each call, if the number of retry is exceed, the fallback message will be returned