ByteDance Uses eBPF to Supercharge Networking Performance

Global tech giant ByteDance tackled network performance bottlenecks across its millions of servers using eBPF. Their previous virtual Ethernet-based solution suffered from soft-interrupt bottlenecks, impacting efficiency and stability. By adopting the eBPF-powered netkit networking device and implementing a carefully orchestrated rolling upgrade, ByteDance achieved a 10% throughput increase and resolved issues like high CPU load and packet reordering. This case study showcases eBPF's power in addressing large-scale data center networking challenges. ByteDance plans to further leverage eBPF for hardware offloading and broader system optimizations.