Author: Pavithra M

1. WHAT IS HADOOP? Hadoop is an open source framework and one type of tool which is used to store large amount of data sets.Hadoop is provided for data storage,data access,data processing and security operations. Many organizations are used hadoop for Read More …

HDFS means Hadoop Distributed File System and it manages big data sets with high volume. HDFS stores the data at distributed manner and it is the primary storage system. HDFS allows read and write the files but cannot updated the files Read More …

What is Sqoop? Sqoop is one type of tool which used to transfer data between RDBMS and HDFS. It is export and import data from datastores to HDFS. It uses a MapReduce for export the data for processing the large amount Read More …

1. NameNode: NameNode is the main and heartbeat node of Hdfs and also called master. It stores the meta data in RAM for quick access and track the files across hadoop cluster. If Namenode failure the whole hdfs is inaccessible so NameNode Read More …

Hadoop is a Java-based framework and it runs on Linux based windows so commands are important for Hadoop. Hadoop Commands are used to access the all HDFS cluster files and directories. Here we discuss basic and important Hadoop commands to manage HDFS. Read More …

Big Data is an open source framework and used to stores a large amount of structured, unstructured and semi-structured data. Big Data tools help to extract and analyze the data which really save the time. In the world, most of Read More …

S.No Hadoop 1.X Hadoop 2.X 1 Hadoop 1.x having only two components for processing the data that two components are HDFS and MapReduce. Hadoop 2.x having three components for processing the data that three components are HDFS,MapReduce and Yarn. 2 Hadoop Read More …

Hadoop open source framework and popular data storage system. Hadoop is used to stores large set of structured,semi structured and unstructured data. Here we are discuss about main features of Apache hadoop 1. Hadoop is Open Source: Hadoop framework is Read More …

Sqoop is the basic data transfer tool and used to import/export data from Relational Database into hadoop. Sqoop is able to import Teradata and Other JDBC Databases. For Hadoop integration sqoop installation is most important so first install the sqoop on Read More …

Big Data Hadoop Training in Chennai Best Hadoop Training Institute in Chennai means Credo Systemz because we provide quality Hadoop training with placement assistance to all candidates. In Most of the MNC’s Hadoop job opportunities are increasing day by day for Read More …