Whether you’re a seasoned developer or just beginning your journey into database systems, this hub is your guide to understanding the inner workings of PostgreSQL. Dive deep into the architecture, memory management, background workers, planner, executor, WAL and more – and learn how to navigate the PostgreSQL codebase, write extensions and even contribute a new feature to core PostgreSQL.
This is more than just theory – It is about building the skills and insights needed to shape the future of one of the world’s most powerful open-source databases.
Useful Tools
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This section dives into practical PostgreSQL techniques drawn from real production experience. It covers performance tuning, query optimization, replication, extensions, and day-to-day operational patterns that matter when PostgreSQL is running under real load. The focus is on understanding how PostgreSQL behaves internally and applying that knowledge to build systems that are reliable, scalable, and easier to operate in production environments.
