How to Check if a User Exists Among Billions! - 4 MUST Know Strategies

How to Check if a User Exists Among Billions! - 4 MUST Know Strategies

In this video, we’ll explore how platforms like Twitter, Facebook, and Instagram efficiently check if a username or email is already in use, even with billions of users. Learn how direct database queries, caching, and Bloom filters work together to optimize performance and minimize resource usage. We'll dive into real-world examples and demonstrate how to implement these techniques in Java. Whether you're prepping for system design interviews or looking to scale your own system, this video provides practical insights into handling user checks at massive scale.

Code Link - https://github.com/TechCareerBytes/le...

Caching In Distributed Systems -    • All You Need to Know About Caching - ...  

#UserCheck #BloomFilters #Caching #SystemDesign #ScalableArchitecture

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Must READ for Continuous Learning:
• Building Microservices - https://amzn.to/4bFM7Ql
• Mastering System Design: https://bit.ly/3S05RGS
• Head First Design Patterns: https://amzn.to/3uDtN9F
• Clean Code: A Handbook of Agile Software Craftsmanship: https://bit.ly/470W9Zf
• Java Concurrency in Practice: https://bit.ly/486vtqz
• Java Performance: The Definitive Guide:https://bit.ly/484BAMk
• Designing Data-Intensive Applications: https://bit.ly/3uDu4cH
• Designing Distributed Systems: https://amzn.to/487C7NV
• Clean Architecture: https://bit.ly/3RwMiWx
• Kafka – The Definitive Guide: https://amzn.to/3NaWUHZ
• Becoming An Effective Software Engineering Manager: https://amzn.to/3NHewv8

#systemdesign #softwareengineer #interviewpreparation #DataProcessing #TechEvolution #CareerGrowth #SoftwareEngineering #CareerDevelopment #TechSkills #Leadership #http #https #api #system design #software engineer

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