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systems-design.

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Meta's Rebalancer: How to Solve Assignment Problems at Scale

Meta open-sourced Rebalancer, a framework for solving large-scale bin packing and assignment problems. What it means for infrastructure optimization.

How Cloudflare Reclaimed 100TB of RAM with Better Hashing

Deep dive into consistent hashing optimization: how understanding the math behind algorithm design led to massive memory savings at scale.

What 1 Million Isolated Highlanders Teach Us About System Design

Why Papua New Guinea's highlands reveal fundamental truths about technological evolution, constraints, and why isolation prevents innovation.

The Proxy Layer Pattern: Where Infrastructure Gets Smart

How Meta's ZGateway shows why interposing a managed tier between clients and backends solves problems no individual client library can.
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