Key components of HBase are –
Region- This component contains memory data store and Hfile.
Region Server-This monitors the Region.
HBase Master-It is responsible for monitoring the region server.
Zookeeper- It takes care of the coordination between the HBase Master component and the client.
Catalog Tables-The two important catalog tables are ROOT and META.ROOT table tracks where the META table is and META table stores all the regions in the system.
