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Explore how Project Waterpark, an enterprise integration platform built at HCA Healthcare using the BEAM (Erlang Virtual Machine) and Elixir, processes real-time healthcare data for millions of patients across 185 hospitals while maintaining zero downtime since 2020. Discover the architecture of this RAM-based system that survives entire data center failures without losing messages, utilizing distributed actors to represent millions of patients as long-lived digital twins. Learn about consistent hashing and event-driven algorithms that enable massive concurrency and fault tolerance in critical healthcare environments. Examine the technical challenges of building real-time platforms for healthcare while understanding how Waterpark's real-time signals save lives and reduce caregiver burden, demonstrating the profound human impact of thoughtful distributed system design at scale.
