Feb. 1, 2022, 6:57 p.m. | Zixuan Zhang

Towards Data Science - Medium towardsdatascience.com

Ace the System Design Interview — Distributed ID Generator

1. Introduction

When you upload an image to Instagram or make a transaction on your favorite brokerage app, the backend system assigns a unique ID (UID) to the newly created object. This ID is typically used as the primary key in some database tables and can be used to retrieve the object efficiently. I guess you know where I'm going — how do we generate UIDs?

Well, you definitely know about …

computer science data science design distributed distributed systems interview system-design-interview

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