[Solved] When should you prefer using a Node.js cluster over a reverse proxy? — Ans: When you want to utilize multiple CPU cores within a single server. | Node.js

Node.js - Cluster Module

When should you prefer using a Node.js cluster over a reverse proxy?

AWhen you want to distribute traffic across multiple servers.

BWhen you want to encrypt traffic between client and server.

CWhen you want to cache static content for faster delivery.

DWhen you want to utilize multiple CPU cores within a single server.

Step-by-Step Solution

Solution:

Step 1: Identify cluster use case
Clusters help Node.js apps use multiple CPU cores on the same machine by creating worker processes.
Step 2: Compare with reverse proxy use case
Reverse proxies distribute traffic across multiple servers, not cores on one server.
Final Answer:
When you want to utilize multiple CPU cores within a single server. -> Option D
Quick Check:
Cluster use case = B [OK]

Quick Trick: Cluster = multi-core single server, reverse proxy = multi-server [OK]

Common Mistakes:

Master "Cluster Module" in Node.js

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When should you prefer using a Node.js cluster over a reverse proxy?