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Naive feature-flag designs die at 100k SDK clients. The interview-winning answer reframes the protoc...


Why Your AI Workflows Break at Scale—And How to Build Systems That Don't You optimized...


Naive feature-flag designs die at 100k SDK clients. The interview-winning answer reframes the protoc...


Partitioning: The Magic Wand of Scalability? When database partitioning comes to mind,...


A clear guide to understanding horizontal vs. vertical scaling, with practical examples for each. Le...


A breakdown of the differences between sharding and partitioning in software engineering, with pract...


Cron handles a few hundred jobs. 10M/day across timezones is a different system. The four components...


Sharded counters, count-min sketch, hot-key detection. The system design answer that survives one tw...