[Solved] Why is Redis preferred as a message broker over a traditional database in Flask applications? — Ans: Because Redis operates in-memory, providing low latency for message passing | Flask

Flask - Background Tasks

Why is Redis preferred as a message broker over a traditional database in Flask applications?

ABecause Redis stores messages permanently for audit trails

BBecause Redis automatically scales Flask routes

CBecause Redis operates in-memory, providing low latency for message passing

DBecause Redis replaces Flask's template engine

Step-by-Step Solution

Solution:

Step 1: Compare Redis and traditional databases for messaging
Redis stores data in memory, making message passing very fast and low latency.
Step 2: Evaluate other options
Redis does not scale Flask routes, does not store messages permanently by default, and does not handle templates.
Final Answer:
Because Redis operates in-memory, providing low latency for message passing -> Option C
Quick Check:
Redis speed comes from in-memory operation [OK]

Quick Trick: Redis is fast because it uses memory, not disk [OK]

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