If you're not interested in a science experiment, Cassandra (or Scylla) are the multi-master databases that are mainstream and proven to work and scale. They're not fun or sexy and their feature set is much smaller but they do what they say and they work. Or AWS/GCP/Azure will happily give you an API for one.
If you're not interested in a science experiment, Cassandra (or Scylla) are the multi-master databases that are mainstream and proven to work and scale. They're not fun or sexy and their feature set is much smaller but they do what they say and they work. Or AWS/GCP/Azure will happily give you an API for one.