HBase Training Online

• High capacity storage system with distributed design to cater to large tables.
• It is horizontally scalable
• It has column-oriented stores
• Supports random real-time CRUD operations
• High performance and high availability.

• Zookeeper
• Hbase Master
• RegionServer
• Region
• Catalog Tables

There are 5 types of operational commands in Hbase and they are - Get, Put, Delete, Scan and Increment.

Hbase is used when

• Data size is huge
• Moving RDBS to Hbase
• There are several features such as transactions, inner joints, typed columns etc.
• Require adequate cluster

No

Scan is used when the exact row key is unknown or there is need to access a group of rows.

• Root
• Meta

Block is a single smallest unit of data. There are four types of Blocks – Data, Meta, Index and Bloom.