Posts in 0001
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The Shift to cgroup v2 in Kubernetes: What You Need to Know
By Paco Xu (DaoCloud) | Monday, January 01, 0001 in Blog
In Linux, cgroups (control groups) are a kernel feature used for managing system resources. Kubernetes uses cgroups to allocate resources like CPU and memory to containers, ensuring that applications run smoothly without interfering with each other. …
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Scaling Kubernetes Workloads with Node Swap
By Ocean Xie, Yuan Wang | Monday, January 01, 0001 in Blog
Memory is often the first hard limit a Kubernetes cluster hits. Nodes run out of RAM long before they run out of CPU, and the new wave of agentic AI workloads makes this worse. These workloads demand large memory footprints to start up and run …
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Beyond CPU Utilization: Using PSI to Diagnose Kubernetes Resource Contention
By Nitin Ware | Monday, January 01, 0001 in Blog
Most Kubernetes performance investigations start the same way: check CPU and memory. kubectl top tells you how much of each resource a workload consumes. It doesn't tell you whether the workload is waiting for a resource it can't get. That gap …