Primary reason to add a cache in front of a read-heavy service is to:

Problem Statement

Explanation

Caching brings data closer to callers and avoids repeated expensive computations or reads. This cuts tail latency and protects the origin during traffic spikes. Consistency usually becomes weaker or bounded by policy.

Code Solution

SolutionRead Only

Client -> CDN/Edge -> App cache -> DB

Practice Sets

This question appears in the following practice sets:

Caching in System Design

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Primary reason to add a cache in front of a read-heavy service is to:

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

Primary reason to add a cache in front of a read-heavy service is to:

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which statement best describes the Single Responsibility Principle?

Open–Closed Principle encourages what practice when adding features?

High-Level Design (HLD) typically focuses on which artifacts?

Which UML diagram best captures interactions over time between components?

Which pairing describes a healthy design goal?

More from System Design

Master Interviews
Anywhere, Anytime