Worked on improving resource allocation accuracy in systemd-driven container runtimes by addressing cgroup cpuset parsing issues in the containers/common and containers/container-libs repositories. Focused on fixing incorrect CPU and memory range parsing by refactoring the resourcesToProps logic to convert range strings into bitmasks, ensuring proper resource isolation. Introduced a rangeToBits helper function and updated test coverage to validate the new parsing and allocation logic. Leveraged Go, Linux kernel concepts, and system programming skills to deliver more reliable cgroup configuration, reducing the risk of resource misallocation and enhancing stability for deployments relying on systemd-based resource management.