Mar 20 · 15 min read · Source: Reasons UUID as a Primary Key Is Often Slow in Real Databases 1. Why the slowdown usually starts at the storage engine level When developers say “UUID is slow,” they are usually not complaining about the act of comparing 16 bytes inste...
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Mar 20 · 3 min read · The UUID Version Dilemma You're building a new service. You need unique IDs. Someone says "just use UUID v4" — but should you? TL;DR: Use UUID v7 for new systems (time-ordered, database-friendly). Use v4 only if randomness is a hard requirement. Quic...
Join discussionJan 16 · 4 min read · Many things (Millions) are happening in real life when users interact with their devices, such as liking a post, commenting on a post, uploading a video, etc. At the end of the day,y all this information needs to be stored somewhere, and we need a wa...
Join discussionJan 10 · 4 min read · When building web applications, especially SPAs with frameworks like Vue.js, it’s very common to expose resource identifiers in URLs: /offers/32 At some point, many developers feel uncomfortable with this and try to hide or obfuscate IDs on the front...
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Dec 10, 2025 · 3 min read · Need a quick, collision-free ID for your database entries, session tokens, file names, or just some uniquely-labeled test data?Say hello to the UUID Generator on DevUtilX — your instant, no-fuss, browser-based solution for generating universally-uniq...
Join discussionNov 25, 2025 · 5 min read · Uygulamalarda verilerin benzersiz şekilde tanımlanması her zaman kritik bir konudur.Yıllardır en klasik yöntem Auto Increment ID olsa da, modern sistemler artık dağıtık mimari, yüksek ölçeklenebilirlik, güvenlik ve performans gibi farklı gereksinimle...
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Nov 8, 2025 · 4 min read · I've been using UUIDv4 as my go-to identifier for database primary keys for quite a long time, moving from sequential integer IDs (auto-increment/SERIAL). UUIDv4 immediately reminds me of the time when we didn't have better alternatives for distribut...
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Sep 8, 2025 · 4 min read · Dans beaucoup de projets, surtout avec Entity Framework ou des ORMs similaires, il est courant de stocker les GUID (UUID) sous forme de string. Sur le papier, cela semble anodin : un GUID est juste un identifiant unique et son format de stockage ne c...
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Sep 5, 2025 · 4 min read · Source: Add UUIDs to Logs in Spring Boot for Better Traceability 1. Why Add UUIDs to Logs? Improved Traceability Across Systems In microservices architecture, a single user request can span multiple services. By associating a unique UUID w...
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