Posts with tag "system-architecture"

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Why Latency Kills Demand When You Have Supply

Users abandon before experiencing content quality. No amount of supply-side optimization matters. Latency kills demand and gates every downstream constraint. Analysis based on Duolingo's business model and scale trajectory.

22 November 2025 •

#distributed-systems
#system-architecture
#video-streaming
#microlearning

Real-Time Ads Platform: System Foundation & Latency Engineering

Building the architectural foundation for ad platforms serving 1M+ QPS with 150ms P95 latency. Deep dive into requirements analysis, latency budgeting across critical paths, resilience through graceful degradation, and P99 tail latency defense using low-pause GC technology.

15 October 2025 •

#distributed-systems
#system-architecture
#ads-tech