Qiujie Li

Principal Software Quality Engineer

Qiujie Li

Qiujie Li's contributions

Kubernetes and Operators
Article

Prepare to enable Linux pressure stall information on Red Hat OpenShift

Qiujie Li

Learn how enabling PSI on Red Hat OpenShift 4.21 can reveal hidden bottlenecks, explain resource contention, support better resource sizing, and improve debugging of resource starvation. This article shares performance evaluation results for enabling PSI at scale, including its impact on Prometheus memory usage.