Asif Raza·1h agoWhy UUIDv4 Primary Keys Can Hurt Database Performance — And Why It’s Time to Rethink ThemMany engineering teams scale systems by mapping UUID.randomUUID() (v4) to their Primary Keys. However, standard relational databases using…
Gastón Marón·2h agoSystem Design Interview: Rate limiterEste ejercicio me tocó en vivo, y lo resolví con los conceptos que traía de muchos otros que había practicado. Esto es lo que se esperaba…
Emily·3h agoYour Kubernetes Dashboard Is Green. Why Can’t Users Check Out?Follow one failed checkout from the browser to the dependency, so every debugging step gives you a reason for the next one.
Pavaneeshwar·5h agoOptimize LLM’s Cost and Latency using CachingWell one user prompting a single LLM call doesn’t impact performance of the system much sometimes even 100 requests doesn’t make an impact…
The Turtle Code·5h agoIndexes Are Data Structures With Write and Storage CostsA database index can turn a query that scans millions of rows into a lookup that touches only a handful of pages. It can make pagination…
The Turtle Code·5h agoReliable Webhooks: Retries, Idempotency, and Failure RecoveryA webhook looks deceptively simple: one service sends an HTTP POST, another service returns 200 OK, and the integration is complete.
Rakesh Kumar·6h agoWho Owns Request Identity in Microservices?Correlation IDs, BFFs, API gateways, and OpenTelemetry explained
Jitin Bahri·6h agoLeader election without tears: Raft for working engineersYou probably shouldn’t implement Raft. But you should understand it, because etcd, Consul and Kafka run on it, and leader election in your…
InJavarevisitedbySoma·7h agoTop 20 High and Low Level System Design Interview Questions for 2027 (includes AI and ML System…System Design and OOP Design Questions that actually prepare you for Interview
Abinesh Siva Manikandan J R·8h agoSystem Design Zero to Architect : Part 7: Databases: Data Models, Schema Design, Indexes, Query…Season 1: Foundations · Part 7 · Prerequisites: Parts 1 to 6 (storage in Part 4, REST in Part 6) · Reading time: about 95 minutes
