During December 2025, Lgp Seu developed a data-handling feature for the rustfs/rustfs repository, focusing on backend development with Rust. They implemented an IoLoadMetrics circular buffer, a fixed-size structure designed to retain only the most recent metric records, thereby improving memory efficiency and data handling for scalable metric collection. The technical approach involved creating a circular vector that ensures correct behavior even in wrap-around scenarios, with comprehensive unit tests validating edge cases and overall reliability. While no bugs were fixed during this period, the work demonstrated depth in Rust programming and backend architecture, emphasizing maintainability, performance, and robust test coverage.