Worked on the google/orbax repository to enhance the reliability of checkpointing workflows by addressing emergency checkpoint cleanup. Developed and integrated a dedicated cleanup method within the CheckpointManager, ensuring that local temporary directories are removed during emergency checkpoint creation. This approach prevented the accumulation of stale files, reduced disk usage, and improved overall system reliability. The solution focused on robust error handling and system administration practices, leveraging Python to implement the cleanup logic. By wiring the cleanup step directly into the checkpoint creation process, the work streamlined maintenance and contributed to more efficient resource management within the checkpointing infrastructure.