BigData

7 Best Hadoop Books to Learn Bigdata Hadoop

The Hadoop ecosystem is vast and may take long time to learn bigdata and start implement applications therefore people new to big data Hadoop technology must choose right book to start with. Here are some of Best Hadoop books you may want to consider. The Hadoop Bigdata has a huge demand in the domains like finance, Insurance, Banking, social networking and many other platforms that deal with very large data sets. The Hadoop experts are in great demand in industries which needs to handle and big, complicated data sets. A working knowledge of…

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July 16, 2016
BigData

How to Learn Apache Hadoop

Most of you want to know what Apache Hadoop is, how and where to start learning it? Here I’m going to share you some of steps I followed to learn hadoop.  Don’t worry!  You don’t have to be a Java programmer to learn Hadoop. You should know little bit of basic Linux commands. You will learn all remaining programming languages once you login to cluster :-) Let’s first know what is Hadoop? Apache Hadoop is an open source framework to process very large data sets (BigData). Hadoop allows the distributed storage and…

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July 16, 2016
BigData

Export data using Apache Sqoop

In some cases data processed by Hadoop pipelines may be needed in production systems to help run additional critical business functions. The sqoop can exports a set of files from HDFS to an RDBMS. The target table must already exist in the database. The input files are read and parsed into a set of records according to the user-specific delimiters. Delimiter is provided in the sqoop options file or CLI options.

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July 2, 2016
BigData

Sqoop Architecture – Mappers with No Reducers

Sqoop is a tool designed to transfer data between Hadoop and various relational databases. You can use Sqoop to import data from a relational database management system (RDBMS) such as Netezza, MySQL, Oracle or SQL Server into the Hadoop Distributed File System (HDFS), transform the data and perform complex calculations in Hadoop MapReduce, and then export the data back into an RDBMS. Sqoop is based on a connector architecture which supports plugins to provide connectivity to external systems (RDBMS) .

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July 2, 2016