During November 2024, Yutian contributed to the facebook/rocksdb repository by focusing on codebase cleanup and maintainability. Yutian identified and removed an undefined and unused function, GetColumnFamilyDataByName, from a core module, addressing technical debt and clarifying module responsibilities. This targeted refactoring effort in C++ improved code health by eliminating dead code paths and reducing the risk of regressions from undefined references. The work demonstrated a methodical approach to software maintenance, emphasizing long-term stability and clarity over rapid feature delivery. Yutian’s contributions leveraged expertise in C++ development and code refactoring to enhance the maintainability of the project.