During April 2025, Kamil Grzywinski enhanced the GCP disk cleanup workflow in the scylladb/scylla-cluster-tests repository by refining the filtering logic used to identify and remove orphaned disks. He extended the cleanup script, written in Python, to recognize disks associated with persistent volume claims by including both 'pvc-' and 'gke-.*-pvc-' prefixes. This adjustment addressed a gap in the previous process, reducing the risk of unused disks accumulating and lowering ongoing cloud infrastructure costs. Kamil’s work demonstrated a strong understanding of GCP resource management and scripting, delivering a targeted fix that improved the reliability of automated maintenance routines.