Tong Shukang enhanced the rendering pipeline in the grafana/grafana repository by introducing an atomic in-progress counter to replace the previous plain integer approach. This change addressed thread-safety concerns and improved concurrency control, particularly under high-load scenarios. By leveraging Go’s concurrency primitives and focusing on robust testing, Tong’s work reduced the risk of overloads and minimized timeouts and retries during rendering operations. The targeted update was confined to the rendering module, ensuring a minimal surface area for safer rollouts and easier code review. This contribution demonstrated a thoughtful approach to concurrency and stability using Go and concurrent programming techniques.