Alibaba Cloud Observability

May 15, 2024 · Cloud Native

Understanding Kubernetes WorkingSet: Metrics, Scripts, and Memory QoS Solutions

This article explains the WorkingSet metric in Kubernetes, shows how to calculate it with cgroup v1 and v2 scripts, outlines common container memory issues such as the memory black‑hole, and presents troubleshooting steps using SysOM monitoring and Koordinator QoS to resolve high WorkingSet usage.