Using cgroups v2 to Limit CPU and Memory for Systemd Services
Configure CPU and memory limits for systemd services using Linux cgroups v2. Verify the unified hierarchy, create a slice, assign services, and monitor usage with systemd-cgtop.
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cgroup v2 memory.high and memory.max Reclamation Priority
Memory Controller Limit Interaction In Linux cgroups v2, memory.high is designed as a throttling mechanism that triggers aggressive page reclamation to keep memory usage below a specific threshold, while memory.max serves as a hard limit that triggers the Out-Of-Memory (OOM) killer when exceeded. Reclamation Behavior and Constraints There is a functional dis