Review an existing architecture for risks

Q: Review an existing architecture for risks

This question evaluates an engineer's ability to perform an architecture review, identifying imminent scalability, reliability, operability, and security risks and prioritizing pragmatic trade-offs under fixed headcount constraints, and is commonly asked to assess risk analysis, operational judgment, and communication about production systems.

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System Design questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master system design interviews.

Question

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Architecture Review Prompt

You are given an existing production system (described verbally by the interviewer). Perform a design/architecture review.

Questions to answer

What parts are likely to fail or hit limits within 6 months (scale, reliability, operability, security)?
What appears to be over-engineered or unnecessarily complex?
If headcount cannot increase , what changes would you propose to improve reliability, scalability, and on-call load?

Expectations

Ask clarifying questions (traffic, data size, SLOs, failure history).
Provide prioritized recommendations and trade-offs, not a rewrite-from-scratch.

Review an existing architecture for risks

Architecture Review Prompt

Questions to answer

Expectations

Solution

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Review an existing architecture for risks

Overview

Architecture Review Prompt

Questions to answer

Expectations

Solution

Comments (0)