Cloud Native Theater | Data on Kubernetes Day: Tuning Elastic on Kube... Luuk Stolk and Artur Gromek

This talk covers the challenges ING faced with their Elastic environment hosted on OpenShift using Portworx, one of their largest Kubernetes setups in terms of CPU capacity. The speakers, Luuk Stolk and Artur Gromek, delve into performance issues that arose after two years of operation, highlighting the disconnect between observability and operational complaints. They share insights on the flawed assumptions made, the attempts to diagnose the problem, and the eventual solution, along with the important lessons learned from this experience.