An HBase cluster is divided into namespaces. A namespace is a logical collection of tables, representing an application or organizational unit.
A table in HBase is made up of rows and columns, like a table in any other database. The table is divided up into regions such that each region is a collection of rows. A row cannot be split across regions:
Values are identified by the combination of the Row Key, a Version Timestamp, the Column Family (Metrics) and the Column Qualifier (Temperature)
However, in addition to rows and columns, HBase has another construct called a ColumnFamily. A ColumnFamily, as the name ...
