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Hadoop - Daemons and Their Features

Last Updated: 06 October 2021

Daemons mean Process. Hadoop Daemons are a set of processes that run on Hadoop. Hadoop is a framework written in Java, so all these processes are Java Processes.Apache Had...read more

Map Reduce and its Phases with numerical example.

Last Updated: 18 May 2023

Map Reduce :-It is a framework in which we can write applications to run huge amount of data in parallel and in large cluster of commodity hardware in a reliable manner.Di...read more

Hadoop - HDFS (Hadoop Distributed File System)

Last Updated: 12 May 2023

Before head over to learn about the HDFS(Hadoop Distributed File System), we should know what actually the file system is. The file system is a kind of Data structure or m...read more

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4.3k+ articles

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2k+ articles

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120+ articles

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MapReduce Program - Weather Data Analysis For Analyzing Hot And Cold Days

Last Updated: 23 December 2021

Here, we will write a Map-Reduce program for analyzing weather datasets to understand its data processing programming model. Weather sensors are collecting weather informa...read more

Hadoop - copyFromLocal Command

Last Updated: 27 December 2021

Hadoop copyFromLocal command is used to copy the file from your local file system to the HDFS(Hadoop Distributed File System). copyFromLocal command has an optional switch...read more

Hadoop - Architecture

Last Updated: 03 January 2023

As we all know Hadoop is a framework written in Java that utilizes a large cluster of commodity hardware to maintain and store big size data. Hadoop works on MapReduce Pro...read more

Hadoop - Different Modes of Operation

Last Updated: 22 June 2020

As we all know Hadoop is an open-source framework which is mainly used for storage purpose and maintaining and analyzing a large amount of data or datasets on the clusters...read more

Difference Between RDBMS and Hadoop

Last Updated: 11 July 2022

RDMS (Relational Database Management System): RDBMS is an information management system, which is based on a data model.In RDBMS tables are used for information storage. E ...read more

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What is Unstructured Data?

Last Updated: 10 October 2021

Unstructured data is the data which does not conforms to a data model and has no easily identifiable structure such that it can not be used by a computer program easily. U ...read more

What is Semi-structured data?

Last Updated: 22 February 2023

Semi-structured data is a type of data that is not purely structured, but also not completely unstructured. It contains some level of organization or structure, but does n ...read more

Map Reduce in Hadoop

Last Updated: 31 May 2023

One of the three components of Hadoop is Map Reduce. The first component of Hadoop that is, Hadoop Distributed File System (HDFS) is responsible for storing the file. The ...read more

Hadoop - Introduction

Last Updated: 29 July 2021

The definition of a powerful person has changed in this world. A powerful is one who has access to the data. This is because data is increasing at a tremendous rate. Suppo...read more

Hadoop Ecosystem

Last Updated: 02 August 2021

Overview: Apache Hadoop is an open source framework intended to make interaction with big data easier, However, for those who are not acquainted with this technology, one ...read more

Architecture of HBase

Last Updated: 25 April 2023

Prerequisites -Introduction to Hadoop, Apache HBaseHBase architecture has 3 main components: HMaster, Region Server, Zookeeper.Figure - Architecture of HBaseAll the 3 comp...read more

Introduction to Hadoop

Last Updated: 05 June 2023

INTRODUCTION:Hadoop is an open-source software framework that is used for storing and processing large amounts of data in a distributed computing environment. It is design...read more