Pip Arnott enhanced memory statistics observability for legacy deployments by adding cgroup v1 support to the pyhooks utility in the METR/vivaria repository. Using Python and leveraging expertise in Linux internals and system programming, Pip implemented logic to detect and read cgroup v1 file paths within the _get_ram_limit_bytes and get_available_ram_bytes functions. This approach enabled accurate RAM reporting in older environments where cgroup v1 remains prevalent. Pip also updated automated tests to ensure robust compatibility with cgroup v1, improving the reliability of memory reporting. The work demonstrated a focused, in-depth solution to a nuanced compatibility challenge in DevOps environments.