Charles Morgan developed a performance-focused update for the trinodb/trino repository, optimizing Azure FileSystem’s detection of Hierarchical Namespace (HNS) support. He refactored the Java-based AzureFileSystem component to query account information directly, replacing the previous method that checked for blob existence. This technical approach reduced unnecessary API calls and improved the speed and reliability of HNS detection for Azure Data Lake Gen2 workloads. Leveraging his expertise in Azure, cloud storage, and file systems, Charles delivered a targeted feature that enhanced initialization and operational efficiency. The work demonstrated thoughtful refactoring and a clear understanding of cloud storage integration challenges within Trino.