Setup an aerospike high-availbilty cluster?
Aerospike's HA setup is one of the easiest. No need to setup sharding or failover policies. Everything is automatically taken care of. You just need to configure the nodes to see each other and boot them. I suggest to go with 'mesh' mode configuration. Ref: https://www.aerospike.com/docs/operations/configure/network/heartbeat/index.html