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What does a request timing middleware in FastAPI primarily measure?

easy🧠 Conceptual Q1 of 15
FastAPI - Middleware and Hooks
What does a request timing middleware in FastAPI primarily measure?
AThe size of the response body
BThe number of requests received per second
CThe time taken to process each HTTP request
DThe IP address of the client
Step-by-Step Solution
Solution:

  1. Step 1: Understand middleware purpose

    A request timing middleware tracks how long each request takes to process in the server.

  2. Step 2: Identify what is measured

    It measures the duration from receiving the request to sending the response.

  3. Final Answer:

    The time taken to process each HTTP request -> Option C

  4. Quick Check:

    Request timing = Time taken [OK]
Quick Trick: Middleware measures request duration, not count or size [OK]
Common Mistakes:
MISTAKES
  • Confusing timing with request count
  • Thinking it measures response size
  • Assuming it logs client IP

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