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distributed-id-generator

Design and implement a distributed ID generator for sharded databases.

Updated Jun 5, 2026
Search Tags:#system design#distributed systems#ID generation#unique identifier#Snowflake algorithm
One-click install
npx skills add https://github.com/hung-phan/system-skills --skill distributed-id-generator
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: distributed-id-generator
Source: https://github.com/hung-phan/system-skills/tree/main/skills/system-review/references/interview-templates/distributed-id-generator
Command: npx skills add https://github.com/hung-phan/system-skills --skill distributed-id-generator

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses the challenge of creating unique, scalable IDs in distributed systems, avoiding collisions, hotspots, and losing time-ordering.

Core Features & Use Cases

  • Unique ID Generation: Designs a unique ID generator for systems requiring billions of IDs per day.
  • Scalability: Ensures IDs are scalable across many nodes without collisions or hotspots.
  • Time-Ordering: Maintains time-ordering in IDs for better system performance.
  • Use Case: Ideal for systems with sharded databases, multi-region deployments, or systems requiring client-side ID generation before database interaction.

Quick Start

Use the distributed-id-generator skill to generate a unique ID for a new user account.

Frequently Asked Questions about distributed-id-generator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate unique IDs across multiple database shards without collisions?▼

Unique IDs for multi-region deployments require a distributed generator that maintains time-ordering and prevents collisions. This design scales across many nodes, ensuring uniqueness for systems generating billions of IDs per day.

What is the best way to maintain time-ordering when generating distributed unique identifiers?▼

Maintaining time-ordering in distributed unique identifiers requires strategies like the Snowflake algorithm. This approach embeds timestamps within the ID structure, ensuring time-based sorting for better system performance in sharded environments.

Does the Snowflake algorithm work for multi-region deployments requiring billions of IDs per day?▼

Yes, the Snowflake algorithm scales for multi-region deployments needing billions of IDs per day. The generator design distributes nodes effectively, ensuring unique identifier creation without collisions or database hotspots across regions.

When do I need a distributed ID generator for my system architecture?▼

You need a distributed ID generator when your system requires sharded databases, multi-region deployments, or client-side ID generation before database interaction. It solves the challenge of avoiding collisions and hotspots while maintaining time-ordering.

What are the limitations of client-side ID generation in distributed systems?▼

Client-side distributed ID generation risks clock skew and node ID misconfiguration, which can break uniqueness and time-ordering. This Skill provides an advanced design to mitigate these constraints, ensuring collision-free identifiers across sharded databases.

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