Worked on modernizing and enhancing the QuotaCache system in both the apache/hbase and HubSpot/hbase repositories, focusing on improving quota data accuracy and retrieval performance. Introduced Fetcher interfaces for user, table, namespace, and region quotas, enabling more unified and efficient data access. Leveraged Java and distributed systems expertise to preload quota information at startup, reducing on-demand fetch overhead and minimizing latency for quota checks. The approach eliminated redundant fetch paths and improved data freshness, supporting more predictable resource governance. Collaborated across repositories to ensure timely backports and alignment with the 2.6.4 release, emphasizing reliability and consistency in quota management.