Karteek contributed to the IBM/velox repository by developing instrumentation to measure compression and decompression timing within the table writer, focusing on enhancing system observability and performance monitoring. Using C++ and leveraging data engineering and system metrics expertise, Karteek introduced new DataSink::Stats fields to capture compressed byte counts and timing metrics. These changes enabled the TableWriter to log detailed performance data, supporting end-to-end monitoring and facilitating data-driven analysis for throughput and latency optimization. The work provided a foundation for improved SLA tracking and capacity planning, demonstrating depth in integrating performance metrics into core data processing workflows without addressing bug fixes.