What is the difference between horizontal and vertical scaling in Node.js and which does the cluster module support?

Node.js Developer Hard

Node.js Developer — Hard

What is the difference between horizontal and vertical scaling in Node.js and which does the cluster module support?

Key points

  • Horizontal scaling adds more machines; vertical scaling adds more resources to the same machine
  • Cluster module in Node.js supports vertical scaling by utilizing multiple CPU cores
  • Understanding the difference between horizontal and vertical scaling is crucial for optimizing Node.js performance

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