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In this video of code decode we have explained System Design Interview Question URL Shortner. Udemy Course of Code Decode on Microservice k8s AWS CICD link: https://openinapp.co/udemycourse Course Description Video : https://yt.openinapp.co/dmjvd Next Level App Download link : https://next-level.onelink.me/vJGp/r0... Design a system similar to ShortUrl / Tiny url These URL shortening service is a service that produces short aliases for long URLs, commonly referred to as short links. Upon clicking, these short links direct to the original URLs. Requirement gathering The first step: To decide functional and non-functional requirements. Functional - Primary requirement - Our service should be able to create a special, shorter alias of the provided URL. Redirection: Our system should be able to route users to the original URL given a short link. Removal: If given the proper permissions, users should be able to remove a short link produced by our system. Users should have the right permissions to update the long URL that is linked to the short link. Expiration time: The short links must have a default expiration time, but users should be able to customise the expiration time to suit their needs. Components we will use to design the system DB: It will be necessary to store the mapping between long URLs and their equivalent short URLs in a database. Server - where we will deploy our application Sequencer : Each short URL will be generated using a unique ID that the sequencer will supply. Load balancer : A seamless distribution of requests among the available servers will be made possible by load balancers at different layers. Cache: The most common requests linked to short URLs will be stored in caches. Rate Limiter - We'll implement rate limiters to prevent system abuse. CRUD APIs C - Create Short URL - ©- and map that to long original one. We will also have a piece of code to generate short url with unique id that will be mapped to long id. R - Map Short url with Long url used for redirection (Get api which will fetch long url against a shorter one) U - Update long url against a given short URL D - Delete a short url Logic to create unique readable short URL for customers Most of the sites providing this service uses 2 main components - Sequencer - To generate unique 64 bit numeric ID Encoder to make it readable for customers Most Asked Core Java Interview Questions and Answers: • Core Java frequently asked Interview Quest... Advance Java Interview Questions and Answers: • Advance Java Interview Questions Java 8 Interview Questions and Answers: • Java 8 Interview Questions(New Features) Hibernate Interview Questions and Answers: • Hibernate Interview Questions Java Spring Boot Interview Questions and Answers: • Advance Java Interview Questions Angular Playlist: • Angular Course Introduction || Angular 8 SQL Playlist: • SQL Interview Questions and Answers GIT: • GIT Subscriber and Follow Code Decode Subscriber Code Decode: https://www.youtube.com/c/CodeDecode?... LinkedIn : / codedecodeyoutube Instagram: / codedecode25 #systemDesign #HLD #codedecode