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Updated in [February 21st, 2023]

1. You will gain an understanding of Postgres architecture, including an overview of Postgres MVCC, processes vs threads, Postmaster process, backend processes, shared buffers, background workers, auxiliary processes, background writer, checkpointer, logger, autovacuum launcher and workers, WAL processes, and startup process.

2. You will learn about Postgres MVCC, which is a feature that allows multiple transactions to run concurrently without interfering with each other.

3. You will gain an understanding of the different processes and threads that make up the Postgres architecture, such as the Postmaster process, backend processes, shared buffers, background workers, auxiliary processes, background writer, checkpointer, logger, autovacuum launcher and workers, WAL processes, and startup process.

4. You will learn how to configure and optimize the Postgres architecture for maximum performance.

5. You will gain an understanding of how the different processes and threads interact with each other to ensure the smooth running of the Postgres database.