YugabyteDB Testing Approaches: An Insider’s Guide

The author of this text is a member of the Yugabyte Quality Assurance (QA) team, responsible for testing the company's cloud-native database for business-critical enterprise applications. The QA team uses a wide range of testing frameworks and tests to ensure the database's correctness and reliability. They employ various testing approaches, including unit tests, cross-functional tests, stress tests, and randomized testing, to catch bugs before they reach customers. The team also utilizes open-source tools like libFuzzer, SQLancer, and SQLsmith to improve their testing efficiency. The goal is to provide a robust and reliable database system that can handle the demands of business-critical applications while providing continuous availability and horizontal scalability.