YugabyteDB is a distributed SQL database that delivers high-performance and scalable solutions, backed by rigorous testing and validation across various benchmarks and tools. The company's engineering team leverages these tests to ensure the robustness and operational capabilities of YugabyteDB, including performance, scalability, transactional consistency, high availability, and PostgreSQL compatibility. Standard performance tests, such as TPCC and Sysbench, are run nightly to verify basic operational capabilities, while microbenchmarks test specific database operations in isolation. Scalability testing ensures that the database can handle increasing workloads without compromising performance, with multi-region tests simulating a global deployment and scale-in and scale-out performance tests measuring the impact of scaling operations on latencies. Large-scale stress tests using TPCC benchmarks validate high-load scenarios, while cluster operations testing evaluates the impact of maintenance and management operations on performance.