bpftune is a BPF-driven auto-tuning tool focused on continuously monitoring and adjusting system behavior at a fine grain level. It addresses the challenge of managing a large number of system tunables while recognizing the shift towards minimal admin interaction in modern cloud architectures. By utilizing BPF observability features, bpftune minimizes overhead, provides explicit policy explanations, and offers push-pull approaches for tuning networking parameters like TCP buffers. Each tuner in bpftune manages specific tunables, with optional strategies for multiple auto-tuning schemes. By logging detailed events, bpftune ensures transparency and efficiency in system tuning. Unique features include automatic adjustments based on system activity and effective strategies for optimizing performance.
https://github.com/oracle/bpftune