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#system-design
3 posts
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From a No-Traffic Startup to Global Scale: An Inversion Checklist
How do you get from a small no-traffic company to a global-scale service? Don't ask "how do I get there" — ask "how do I guarantee I stay stuck." Six traps, each as problem → fix.
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Scaling QPS 10x in Production: 3 Strategies That Actually Move the Needle
"Make it faster" sounds vague. It isn't — it comes down to the same three moves: caching, database optimization, and pulling non-essential work out of the request.
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Why You Should Never Use KeyDB as a Pub/Sub Broker for Centrifugo
KeyDB's active-replica mode looked perfect for a symmetric dual-stack chat at 100K WebSocket connections. Then I found five years of hang and deadlock issues, most still open.
