sharding or replication Low latency and High throughput In-memory storage, fast indexing, co-located ops, batch ops Rich API and query language SQL-like against POJOs and schema-free documents. Geospatial API ACID transactions Maintain full ACID compliance against your data set through full transaction semantics High availability and resiliency Fault tolerance through replication, cross-data center replication, auto- healing Data Tiering RAM and SSD