During May 2025, this developer delivered a comprehensive overhaul of the Aerospike Benchmark Tool’s command-line interface within the aerospike/aerospike-client-java repository. Leveraging Java and Picocli, they migrated the CLI parsing to a modular architecture, introducing dedicated classes for connection, workload, benchmark, and help options. The refactoring effort reorganized configuration management, resulting in a more robust and user-friendly experience. By focusing on maintainability and testability, the changes reduced setup errors and streamlined benchmarking workflows. This work improved the reliability and usability of performance tuning for Aerospike clients, enabling faster onboarding and more consistent benchmarking outcomes without introducing new bugs.