Why not use ScyllaDB which is rewritten version of Cassandra in C++. Or you can use Azul Zing JVM which provides sub millisecond GC latency of heap size upto 8

Why not use ScyllaDB which is rewritten version of Cassandra in C++. Or you can use Azul Zing JVM which provides sub millisecond GC latency of heap size upto 8 tera bytes. It's commercial and little expensive if you target private cloud but its cheap on AWS marketplace. Here are some of success stories of customers who invested in Azul Zing for their big data architecture or otherwise. https://www.azul.com/resources/success-stories/ https://www.azul.com/resources/success-stories/