Alibaba Cloud Infrastructure
Aug 25, 2025 · Operations
Why Linux Skips OOM at High Memory? Meet FastOOM to Stop Near‑OOM Jitters
When memory usage approaches 90‑95% of capacity, Linux often raises CPU load and stalls instead of invoking OOM, but Alibaba Cloud's FastOOM adds proactive user‑space killing to prevent Near‑OOM livelocks and keep services responsive.
FastOOMKubernetesLinux OOM
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