Moemen expanded storage observability in the quickwit-oss/quickwit repository by implementing detailed Google Cloud Storage metrics within the OpenDAL layer. Using Rust, he instrumented counters for PUT and GET operations, tracked upload and download bytes, and added timers to measure delete request durations. This approach provided granular visibility into storage performance and usage, supporting faster troubleshooting and more accurate capacity planning. By integrating these metrics into the existing telemetry pipeline, Moemen enabled data-driven decision making and improved operational reliability. His work demonstrated depth in backend development, cloud storage integration, and observability, directly addressing the need for enhanced storage monitoring.