There are definitely Mesos clusters running in production. My company is one. Mesosphere publishes case studies around it mostly used as part of DC/OS. https

There are definitely Mesos clusters running in production. My company is one. Mesosphere publishes case studies around it mostly used as part of DC/OS. https://mesosphere.com/resource/category/case-study/ https://mesosphere.com/resource/category/case-study/