What Problem Do Streams Solve in Node.js?

Ever wondered how platforms like YouTube or Netflix stream huge files without loading everything into memory? That’s where Streams come in. Streams allow Node.js to process data chunk by chunk instead of loading the entire file at once. This makes applications: ✔ Faster ✔ Memory efficient ✔ Scalable The Problem Without Streams Imagine reading a 2GB video file: ❌ Entire file loads into memory ❌ High RAM usage ❌ Slow for large files Types of Streams in Node.js 🔹 Readable Stream : Read data chunk by chunk. 🔹 Writable Stream: Write data chunk by chunk. 🔹 Duplex Stream: Read and write both. 🔹 Transform Stream: Modify data while streaming.