Worked on the microsoft/VirtualClient repository to enhance the accuracy and reliability of disk I/O performance testing. Addressed a bug in the DISKSPD profile by updating the MetricScenario parameter from ThreadCount to QueueDepth, ensuring that disk I/O metrics accurately reflected the true queue depth during testing. This adjustment reduced measurement variance and improved the trustworthiness of performance benchmarks. The work involved careful analysis of disk I/O optimization and performance testing methodologies, utilizing JSON for configuration changes. All updates were clearly documented and linked to the relevant business issue, demonstrating a methodical approach to improving performance metrics in benchmarking workflows.