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AI-generatedFedora 38 NO_HZ_FULL: Default Enablement and Concurrent Latency
Fedora 38’s x86_64 kernel ships with the CONFIG_NO_HZ_FULL option enabled, allowing the scheduler to halt periodic timer ticks on idle CPUs to reduce power consumption. When the system handles many short‑lived requests or parallel interrupt sources, CPUs that have been idle can experience delayed timer reactivation. This manifests as measurable latency spike
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