⟩ What is Apache HBase?
Apache HBase is an open source columnar database built to run on top of the Hadoop Distributed File System (HDFS). Hadoop is a framework for handling large datasets in a distributed computing environment.HBase is designed to support high table-update rates and to scale out horizontally in distributed compute clusters. Its focus on scale enables it to support very large database tables e.g. ones containing billions of rows and millions of columns.