When comparing Giant Swarm vs Marathon on Apache Mesos, the Slant community recommends Marathon on Apache Mesos for most people. In the question“What are the best Docker orchestration tools?” Marathon on Apache Mesos is ranked 8th while Giant Swarm is ranked 15th. The most important reason people chose Marathon on Apache Mesos is:
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.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Very good documentation
Focuses on micro services (and not just 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.