Lightning Talk: Taming the BPF LRU: Eliminating TCP Resets in Cilium - Gyu Tae Bae, NAVER Corp.
Presenters Gyu Tae Bae Source CiliumCon NA 2025 Taming the BPF ARU: A Journey to Eliminate TCP Resets in Kubernetes 🚀 Ever experienced the dreaded TCP resets in your Kubernetes cluster, especially after adopting eBPF for network performance? You’re not alone! In this post, we’ll dive deep into a real-world scenario where a seemingly small issue with eBPF’s Address Resolution Unit (ARU) maps led to significant network instability. But fear not, because we’ll also uncover how to diagnose, fix, and even enhance your eBPF network solutions. ...