HTTP 502 - Upstream errors with nginx
A little context I work at PostFinance, taking care of the Linux systems and of the Open-Source Kubernetes platform we are running to support all sorts of banking workloads. Aside from running the platform, we also take in user support issues (where users are internal developers/colleagues), and this blog article covers an issue named “Ingress gets HTTP 502 errors on high load”. You can take this article as an SRE exercise: I’ll provide the same data I received in the support issue, in the same order, and you should try to discover the actual issue as soon as possible. Good luck ;) ...