A cluster-wide init and control system for services in cgroups or Docker containers running on Apache Mesos.
Ranked in these QuestionsQuestion Ranking
Pro Scalable to 10,000s of containers
Pro Extremely fault-tolerant
Mesos handles (HA) master or agent failover; Marathon HA can survive scheduler failover; and Marathon automatically restarts failed tasks to maintain the desired number of task instances.
Pro Mesos is battle-tested at scale in production
Running all of Twitter, Apple's Siri, etc.