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GigCityElixir23 - Bryan Hunter

Groxio · 10.3K views · 2023-06-07 · 1:01:46

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Overview

Bryan Hunter's GigCityElixir 2023 talk on HCA Healthcare's Waterpark system, built on Elixir/Erlang. It describes how the architecture is distributed and fault-tolerant, with a multi-datacenter cluster and runtime code swapping.

On Hacker News

HN recommends it as a rare real-world look at a large fault-tolerant Erlang/Elixir system with no downtime in healthcare.

Recommended by 4 HN people across 5 months · HN mentions 2023–2025

Topics

Distributed systemsFunctional programming
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elixirerlanghot code loadinghealthcarebeam

What people said

rramadass · 2024-01 · Strong recommendation

After watching the above which gives one an idea of the Erlang System's capabilities, watch this presentation by Bryan Hunter where the design and architecture of a complete distributed and fault-tolerant Erlang/Elixir system is shown; You get to really see the mind-blowing power of the Erlang System in this - [VIDEO]

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rramadass · 2023-12 · Strong recommendation

Not code but an excellent presentation of design/architecture of a Real-World fault-tolerant and distributed System in Erlang/Elixir - [VIDEO]

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chantepierre · 2025-07 · Recommendation

To add to this topic, people who do not know about erlang's hot code loading should watch this talk : [VIDEO] A multi-DC running cluster where parts are progressively swapped at runtime. No database, only OTP.

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Sources

Video by Groxio, played through YouTube.

Data and selection notes

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HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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