This collection of videos covers major system design concepts and fundamentals that every backend engineer needs to understand. This will help you in your design interviews. The videos are ordered in the way they should be consumed. This playlist is designed for intermediate viewers List of all Backend Engineering Playlists 👨💻Backend Engineering (Beginner) https://www.youtube.com/playlist?list=PLQnljOFTspQUNnO4p00ua_C5mKTfldiYT 👩💻Backend Engineering (Intermediate) https://www.youtube.com/playlist?list=PLQnljOFTspQWGuRmwojJ6LiV0ejm6eOcs 👨🏻💻Backend Engineering (Advanced) https://www.youtube.com/playlist?list=PLQnljOFTspQUybacGRk1b_p13dgI-SmcZ
Curated by: Hussein Nasser (54 videos)
Connection pooling is a pattern of creating a pool of available connections (usually TCP) and allow multiple clients to share the same pool of connections. This pattern is usually used when connection establishment and tearing down is costly, and the server has a limited number of connections. In this video we will learn how to use connection pooling in NodeJs when working with a Postgres Database, we will learn how to spin up a pool of database connections and use stateless pool queries and transactional queries begin/end, and finally, we will 0:00 Intro 3:00 stateless close/open 4:30 Pooling approach 8:20 Performance tests Source Code https://github.com/hnasr/javascript_playground/tree/master/postgresnode-pool Stay Awesome! Hussein