Siri 'third generation' architecture includes Apache Mesos and, yes, JARVIS

[iMore.com]

During a recent meet-up, a slide showed that Apple considered Siri to be on its third generation architecture.
Like any major online service, Siri is constantly being updated behind the scenes to improve stability, scalability, and performance. This presentation is specific called out Apache Mesos as helping with all of that, as well as efficiency and latency, and the ability to more easily build out additional services. The Mesosphere blog:

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