During March 2026, Patrick Farrell focused on backend performance optimization for the rclone/rclone repository, targeting parallel file system transfers. He implemented a backend change in Go that removed POSIX_fadvise DONTNEED and SEQUENTIAL calls from the local path, addressing spinlock contention observed during high-concurrency workloads. This adjustment improved throughput and CPU efficiency, particularly in environments with many cores and parallel transfers, such as large-scale Lustre deployments. Patrick’s work leveraged his skills in concurrent programming and performance optimization, ensuring correctness for multipart and non-sequential reads while documenting the rationale to support future contributors and ongoing performance improvements in the project.