What is Hbase in Hadoop

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What is Hbase in Hadoop

What is Hbase in Hadoop,Apache Hbase is one the sub-project of  Apache Hadoop,which was designed for NoSql database(Hadoop Database),bigdata store and a distributed, scalable.
Use Apache HBase when you need random, realtime read/write access to your Big Data.A table which contain billions of rows X millions of columns -atop clusters of commodity hardware. Apache HBase is an open-source, distributed, versioned, non-relational database modeled after Google’s Bigtable. Apache HBase provides Bigtable-like capabilities¬† run on top of Hadoop and HDFS.

what is Apache Hbase

Apache HBase is a type of “NoSQL” database. “NoSQL” is a general term meaning that the database isn’t an RDBMS which supports SQL as its primary access language, but there are many types of NoSQL databases: BerkeleyDB is an example of a local NoSQL database, whereas HBase is very much a distributed database. Technically speaking, HBase is really more a “Data Store” than “Data Base” because it lacks many of the features you find in an RDBMS, such as typed columns, secondary indexes, triggers, and advanced query languages, etc.

Apache HBase has many features which supports both linear and modular scaling. HBase clusters expand by adding RegionServers that are hosted on commodity class servers. If a cluster expands from 10 to 20 RegionServers, for example, it doubles both in terms of storage and as well as processing capacity. RDBMS can scale well, but only up to a point – specifically, the size of a single database server – and for the best performance requires specialized hardware and storage devices.

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