This article was originally published on AI Study Room . For the full version with working code examples and related articles, visit the original post. Connection Pooling Guide Connection Pooling Guide Connection Pooling Guide Connection Pooling Guide Connection Pooling Guide Connection Pooling Guide Connection Pooling Guide Connection Pooling Guide Why Connection Pooling Matters Creating database connections is expensive: TCP handshake, SSL negotiation, and authentication add 7-35ms per connection. Connection pooling reuses established connections. How Pools Work A pool maintains a set of open connections. When a thread requests one, an idle connection is returned immediately. If all are busy, the thread waits.…