What is the most common starting strategy for cache invalidation in web apps?

Problem Statement

Explanation

TTL bounds staleness and is simple to operate. As the system matures, add targeted invalidation when specific writes must reflect quickly. Full flushes are blunt and risky during peak traffic.

Code Solution

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SET key value EX 300  // 5 minutes

Practice Sets

This question appears in the following practice sets:

Caching in System Design

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What is the most common starting strategy for cache invalidation in web apps?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

What is the most common starting strategy for cache invalidation in web apps?

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