Explore the optimization techniques for enhancing a distributed SQL database engine in this conference talk from Conf42 DevOps 2024. Dive into YQL architecture, massive data handling, and benchmark-driven approaches using TPC-H. Learn about continuous integration strategies, running distributed engines in single and multi-process configurations, and performance measurement techniques. Discover Linux performance tools for investigating bottlenecks, including slow joins and memory allocation issues. Examine containerization challenges, user code isolation, and execution pipeline optimizations using Unix pipes. Gain insights into Linux IPC performance and future directions for distributed database optimization.