Worked on the kubernetes/kubernetes repository to improve the reliability and correctness of CPUSet handling within the core scheduling and resource accounting logic. Addressed a bug by replacing direct struct initialization with a constructor, ensuring the internal map of CPUSet is always properly initialized. This change eliminated potential false negatives in equality checks caused by differences between nil and empty maps, making CPUSet operations more robust. The solution was implemented in Go, leveraging backend development skills to enhance the determinism of resource management. The work focused on strengthening foundational infrastructure, reducing edge-case failures, and maintaining consistency in critical backend processes.