How a runc 1.1.5 Bug Miswired CPU Binding and Triggered K8s Outages

A recent K8s host‑level deployment triggered massive service timeouts because runc 1.1.5 passed incorrect CPU‑binding masks to systemd, causing containers to share cores, inflating load and starving workloads, a problem uncovered with Perfetto, BPF tracing and a targeted bug‑fix upgrade.

BPFCPU bindingPerfetto

0 likes · 10 min read

How a runc 1.1.5 Bug Miswired CPU Binding and Triggered K8s Outages

Sohu Tech Products

Jun 30, 2021 · Fundamentals

Understanding Java Thread Implementation and CPU Affinity with OpenHFT Java-Thread-Affinity

The article explains Java's underlying thread models, why native methods are used, and how the OpenHFT Java-Thread-Affinity library leverages JNA to bind Java threads to specific CPU cores for performance gains, including code examples and real‑world usage.

CPU bindingJNAOpenHFT

0 likes · 12 min read

Understanding Java Thread Implementation and CPU Affinity with OpenHFT Java-Thread-Affinity

How a runc 1.1.5 Bug Miswired CPU Binding and Triggered K8s Outages

Understanding Java Thread Implementation and CPU Affinity with OpenHFT Java-Thread-Affinity

How a runc 1.1.5 Bug Miswired CPU Binding and Triggered K8s Outages