Availability: Open Source

Programming language: Java

It runs on top of HDFS, which is a kind of NoSQL database

It can handle very large database tables(billions of rows and millions of columns)

Apache Phoenix project provides a SQL layer for HBase and also, provides JDBC driver that is integrated with different analytics and business intelligence applications, which leads to the replacement of the classic SQL database.

Linear and Modular scalability

Easy to use Java API for client access

Replication across the load center

Atomic and strongly consistent row-level operations

High availability through automatic failover

Automatic sharding and load balancing of tables

Near real-time lookups

In-memory caching via block cache and bloom filters

Server-side processing via filters and co-processors

Data model accommodates a wide range of use cases

Metrics exports via File and Ganglia plugins