Friday, October 31, 2014

HADOOP, HFDS, MAP reduces


Hadoop and uses


There are lot of products that are based on Hadoop and used for different purposes such as SQL query, hadoop language, some of them are:

HIVE: A plug-in for Hadoop using which one can write SQL like queries on Hadoop. Hive internally converts them to MapReduce jobs.

PIG: Pig is Hadoop based language that is capable of handling very deep and very long pipelines, which is not possible in SQL.

HBASE: HBase is a non-relational database built on top of Hadoop framework. It allows quick/non-sequential data access. It also has transnational capabilities that are missing in Hadoop.

SQOOP: It is a tool that is used import data into Hadoop cluster from external sources such as Relational Database, Data warehouse etc.

Tuesday, April 1, 2014