Which mitigation helps most with a write-hot key like a celebrity feed?

Problem Statement

Explanation

Salting spreads hot writes across multiple shards or partitions by appending a small salt, then merging on read. This reduces contention while keeping query semantics intact with a controlled fan-in.

Code Solution

SolutionRead Only

post:{id}:{salt in 0..9} -> read fan-in 10, merge by time

Practice Sets

This question appears in the following practice sets:

Database Sharding & Partitioning

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Which mitigation helps most with a write-hot key like a celebrity feed?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

Which mitigation helps most with a write-hot key like a celebrity feed?

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