Worker Threads in Node.js enable true multithreading by allowing JavaScript code to run in parallel, which is essential for handling CPU-intensive tasks without blocking the main event loop. This guide covers the implementation, use cases, communication methods, and best practices for using worker threads effectively in production applications. It also emphasizes the importance of security and performance considerations when utilizing this feature.

Pgline is a high-performance PostgreSQL driver for Node.js, developed in TypeScript, that implements Pipeline Mode, allowing for efficient concurrent queries with reduced CPU usage. Benchmark tests show Pgline outperforms competitors like Bun SQL, Postgresjs, and Node-postgres in terms of speed and resource efficiency. Installation and usage examples are provided to demonstrate its capabilities.