Which technique helps reduce cache stampede risk?

Question

Which technique helps reduce cache stampede risk?

Option A — Correct answer

TTL jitter or request coalescing

Option B

Removing all TTLs

Option C

Increasing database indexes only

Option D

Using larger JSON payloads

Explanation

Jitter and coalescing prevent many callers from rebuilding the same value at once.

Quiz: Redis Cache Design for Interviews