[ValenciaDevOps] How we use APM at Mercadona online to reduce complexity

N+1 problems are something that every backend developer faces in his/her career. Having the possibility of visually detect this situations is a big advantage for every team. Here at Mercadona Online we rely on a bunch of monitoring systems to spot this and other flaws in our systems. For this talk we will open how we have integrated elastic tool APM into our workflow and how it helped to fix few n+1 situations in different of our systems.