Developed a configurable DataNode order randomization feature for getBlockLocations in the apache/hadoop repository, focusing on enhancing load distribution and operational flexibility in large HDFS clusters. The implementation introduced a new shuffle method within NetworkTopology and updated DatanodeManager to conditionally apply randomization based on a configuration parameter, ensuring backward compatibility by default. Leveraging Java and expertise in distributed systems and configuration management, the work allowed administrators to enable or disable randomized DataNode selection as needed. This approach minimized risk to existing deployments while laying the groundwork for improved scalability and performance in environments with diverse operational requirements and cluster sizes.