During April 2025, Yiran Wu focused on backend development and distributed systems, addressing reliability issues in HBase metadata access. Working in Java across the apache/hbase and HubSpot/hbase repositories, Yiran implemented dedicated Meta RPC read timeouts for meta replica operations, separating them from general read timeouts. This approach improved the configurability and predictability of meta-region access, reducing latency variance for clients relying on meta metadata. By aligning with the HBASE-29191 issue, Yiran’s fixes enhanced cross-repository consistency in timeout strategies. The work demonstrated a deep understanding of HBase internals and contributed to more stable distributed data operations without introducing new features.