Infinispan

At work we have been questioning the scalability of a Hazelcast caching solution.  I am thinking that maybe Infinispan may offer an alternative.

Infinispan supports cassandra and thus may support ScyllaDB

http://infinispan.org/cache-store-implementations/

There does appear to be a go client:

https://github.com/ugol/infinispan-go

http://vschart.com/compare/jboss-infinispan/vs/hazelcast