They talked a bit more about the Siri setup at a talk they gave for the Mesos guys (Siri runs on Mesos with a custom schedule Apple wrote - one of the biggest M

They talked a bit more about the Siri setup at a talk they gave for the Mesos guys (Siri runs on Mesos with a custom schedule Apple wrote - one of the biggest Mesos installs out there) https://mesosphere.com/blog/2015/04/23/apple-details-j-a-r-v-i-s-the-mesos-framework-that-runs-siri/ https://mesosphere.com/blog/2015/04/23/apple-details-j-a-r-v... They say the clusters have 1k worker nodes