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进程隔离如何变成瓶颈隔离

Erlang/Elixir 讲解将不同进程作为隔离失败的边界;WhatsApp 的规模化实践则把解耦目标表述为隔离瓶颈,避免局部问题扩散。把两者并读,可以从运行时故障隔离延伸到生产系统的容量与故障域设计。

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对照原文

separating failures by separating things into different processes
The Soul of Erlang and Elixir • Sasa Juric • GOTO 2019 · ▶ 14:37–14:43
ability to isolate bottlenecks so that they don't spread
Erlang Factory 2014 - That's 'Billion' with a 'B': Scaling to the Next Level at WhatsApp · ▶ 9:40–9:48

WhatsApp 的讲解不证明所有瓶颈隔离都由 BEAM 进程隔离实现,也描述了特定系统架构中的取舍。