Zhenjia Li contributed to the crossoverJie/starrocks repository by developing a feature that optimizes edit logging during schema evolution in shared-data clusters. Leveraging Java for backend development and database management, Zhenjia introduced the getShadowCopy method to avoid deep copying entire job objects when logging schema changes. This approach reduced the size of data written to the edit log, directly improving performance and maintainability in environments with frequent schema modifications. The work demonstrated a strong focus on performance optimization, addressing the challenges of fast-evolving clusters by streamlining logging efficiency and ensuring the system remains scalable as schema changes become more frequent.