My first reaction was "this just sounds like Mesos?". And it's cited in their page (which on first read I thought meant they were trying to act as a single pane of glass for Mesos/k8s/etc.): https://eng.uber.com/peloton/ In the OP blog post though, they assert "to our knowledge, there is no other open source scheduler which combines all types of workloads for web-scale companies like Uber." And then, when you dig...i…
edit: clearly I'm thinking of a different Singularity than you.