Apache recently released the first 2.x line of Apache Spark. Of the many updates that improve performance, a number of API changes tell the story of the move to 2.0. A new Structured Streaming API and the consolidation of existing APIs provide new capabilities and simplified use.
On the Amazon cloud you could create many options for running databases in the cloud. A brief look at "Running databases on AWS" suggests comprehensive cloud as a database service resourcesoffered by Amazon. While Amazon RDS offers you the choice of MySQL, Oracle or SQL Server, Amazon DynamoDB offers you NoSQL storage while Amazon SimpleDB offers schemaless database.
MZ is best known for its mobile game hits (Game of War - Fire Age and Mobile Strike). In building a platform to support mobile game distribution to millions of concurrent users, MZ began the construction of a massively scalable live data platform. MZ has now opened to platform, Satori, at no cost.