In March 2026, Mluvin contributed to the apache/pinot repository by developing three core backend features focused on reliability and operational efficiency. Leveraging Java and expertise in API development and concurrency, Mluvin implemented streamed untar segment downloads using PinotFS to optimize fetch performance under rate limits. They also introduced disk utilization checks within the offline segment upload workflow, enforcing resource governance and preventing resource exhaustion. Additionally, Mluvin enhanced controller startup by integrating a readiness check for resource utilization data, ensuring accurate planning and safer scaling. The work demonstrated thoughtful system design and addressed operational risks without requiring standalone bug fixes.