> Mesos has been simulated to scale to 50,000 nodes, although it is not clear how far scale has been pushed in production environments<p>Apple are "many thousands"[0] to provide Siri, and Twitter use it for pretty much everything, though I can't remember any numbers (15000 springs to mind? But mesoscon was all a bit of a blur now)<p>[0]: <a href="https://mesosphere.com/blog/2015/04/23/apple-details-j-a-r-v-i-s-the-mesos-framework-that-runs-siri/" rel="nofollow">https://mesosphere.com/blog/2015/04/23/apple-details-j-a-r-v...</a>