Anything that causes data loss or theft, as well as physical harm to the hardware and/or facilities, is considered a computer system hazard. The first step in defending information networks …
What is Hacking? Hacking is the act of finding and exploiting security flaws in a computer device or network to obtain access to personal or business records. Using a password-cracking …
MapReduce Job Optimization Techniques: In this tutorial, we are going to discuss all those techniques for MapReduce Job optimizations. In this MapReduce tutorial, we will offer you 6 important tips …
Counters in MapReduce: In this article, we are going to discuss Hadoop Counters in detail. We will study what is MapReduce Counters, What are their roles. And, we will also …
InputSplit vs Blocks in Hadoop MapReduce: In this MapReduce tutorial, we will study the comparison between MapReduce InputSplit vs Blocks in Hadoop. Initially, we will see what is HDFS data …
In this tutorial, we are going to discuss the concept of Data locality in Hadoop. Initially, we will see the introduction to MapReduce Data Locality in Hadoop, then we will …
In this tutorial, we are going to discuss a very interesting topic i.e. Map Only job in Hadoop MapReduce. Initially, we will take a brief introduction of the Map and …
In our earlier tutorial, we have learnt about InputFormat. Now in this tutorial, we are going to discuss the OutputFormat in MapReduce. We will discuss OutputFormat in Hadoop MapReduce, What …
In this lesson, we will learn completely about MapReduce Shuffling and Sorting. Here we will offer you a detailed description of the Hadoop Shuffling and Sorting phase. Initially, we will …
Combiner in Hadoop MapReduce: Initially, we will see what is MapReduce Combiner, which is the key role of Combiner in MapReduce. Then we will discuss the example of a MapReduce …
In this tutorial, we are going to discuss the Partitioner in Hadoop MapReduce. What is Hadoop Partitioner, what is the necessity of Partitioner in Hadoop, What is the default Partitioner …
In this tutorial, we are going to study the RecordReader in Hadoop MapReduce. We will discuss the introduction to Hadoop RecordReader, working on RecordReader. We will also study the types …
Now we are going to study InputSplit in Hadoop MapReduce. Here, we will discuss what is Hadoop InputSplit, the need of InputSplit in MapReduce. We will also debate how these …
In this tutorial, we are going to cover the other component of the MapReduce process i.e. Hadoop MapReduce InputFormat. We will discuss What is InputFormat in Hadoop, What functionalities are …
In this tutorial, we are going to learn complete introduction to MapReduce Key-Value Pair. Initially, we will discuss what is a key-value pair in Hadoop?, How key-value pair is created in MapReduce?. Finally, we will explain MapReduce’s key-value pair generation with examples.
In this Hadoop tutorial, we are going to offer you an end to end MapReduce job execution flow. Here we will describe every component which is part of MapReduce working …
In this article, we will discuss what is Reducer in MapReduce?, how Reducer works in Hadoop MapReduce, various phases of Hadoop Reducer, how can we transform the number of Reducer …
Mapper Class in Hadoop MapReduce: In this article, we will answer what is Mapper in Hadoop MapReduce, how Hadoop mapper works, what are the process of mapper in MapReduce?, how …
Hadoop is the most familiar Big Data framework, which can process huge volumes of data. Hadoop comes with many ecosystem tools to solve different Big Data problems. The ecosystem played …
At present, we will discuss a trending question Hadoop Vs MongoDB: Which is a better tool for Big Data? Currently, all the industries, such as retail, healthcare, telecom, social media …
Apache Cassandra Vs Hadoop Currently, we will take a look at Hadoop vs Cassandra. There is always a question that arises that which technology is the right choice between Hadoop …
Looking for the solution to why you need to learn Hadoop for Data Science? You landed on the right page. Here you will find why Hadoop is a must for …
This is a complete guide about various Spark Hadoop Cloudera certifications. In this Cloudera certification tutorial, we will discuss all the aspects like different certifications offered by Cloudera, the pattern …
Big data is a new buzz word in the IT field. Big Data is making its place in almost every domain. Hadoop is one of the important big data technology. …
Hadoop Job Opportunities Today, we discuss Hadoop Job Opportunities. Also, we will look at how to unlock Big Data and Hadoop job opportunities. Moreover, we will see the skills required …
Hadoop Career – Objective Today, in this Hadoop tutorial, we will discuss Hadoop Career Opportunities. Also, we will discuss Big data Hadoop Jobs, Hadoop Career Growth, and Hadoop Deployment. Moreover, …
As Big Data is the new word of mouth today, Hadoop is gradually gaining popularity in all the domains of this world. Many of you are thinking about the future …
HBase Compaction and Data Locality With Hadoop In this HBase tutorial of Data Locality and HBase compaction with Hadoop, we will study the whole concept of Minor and Major Compaction …
Hadoop 2.x vs Hadoop 3.x – Why You Should Work on Hadoop Latest Version In the year 2011 Hadoop was launched for common use. Since then it has undergone many …
What is New in Hadoop 3? Study the Unique Hadoop 3 Features The release of Hadoop 3.x is the next big milestone in the line of Hadoop releases. Numerous people …
1. Installing Hadoop 2.7 on Ubuntu Tutorial: Objective This tutorial on Installation of Hadoop 2.7 on Ubuntu explains about How to install and configure Hadoop 2.7.x on Ubuntu? In this …
Even though Hadoop is the most powerful tool of big data, there are various limitations of Hadoop like Hadoop is not suited for small files, it cannot handle firmly the …
Are you worried that whether the data stored and processed using Hadoop is secure or not? Hadoop is the software framework for storing and processing huge amounts of data. In …
What is Hadoop Streaming? Study How Streaming Works Is it possible to write MapReduce jobs in languages other than Java? Hadoop streaming is the utility that allows us to create …
How Hadoop automatically initiate NameNode Failover? Want to learn how Hadoop initiates the failover from active NameNode to Standby NameNode? In the Hadoop HDFS NameNode High Availability tutorial, we had seen how …
Study the Hadoop Distributed Cache mechanism provided by the Hadoop MapReduce Framework. In this article, we will study the Hadoop Distributed Cache. This tutorial explains what we mean by the …
Let’s study about the Hadoop scheduler and their different Scheduling Policies. In this tutorial, we will discuss Hadoop Scheduler in detail. The tutorial begins by explaining what Hadoop Scheduler is? …
Earlier Hadoop 2.0 that is Hadoop 1.0 faced a single point of failure (SPOF) in NameNode. This means if the NameNode failed the entire system would not function and manual …
What is Hadoop Cluster? Let’s discuss how to Build a Cluster in Hadoop In this tutorial, we will get familiar with the Hadoop cluster the heart of the Hadoop framework. …
Simple Steps to Execute Hadoop copyFromLocal Command HDFS shell commands have a similar structure to Unix commands. People working with Unix shell command find it easy to adjust to Hadoop …
In this part of the tutorial, we are going to discuss the Hadoop file system shell command getmerge. It is used to merge n number of files in the HDFS …
Most commonly Used Hadoop Commands With Examples In this tutorial, we are going to study the most commonly used commands in Hadoop. These commands help in performing several HDFS file operations. …
In this part of the tutorial, we will learn how Hadoop works, different components of Hadoop, daemons in Hadoop, roles of HDFS, MapReduce and Yarn in Hadoop and several steps …
Most Important Hadoop Analytics Tools in 2020 – Take a Lunge into Analytics Study different Hadoop Analytics tools for analyzing Big Data and generating insights from it. Hadoop is an …
Hadoop Pros and Cons (Advantages & Disadvantages) The objective of this tutorial is to discuss the advantages and disadvantages of Hadoop 3.0. As many changes are introduced in Hadoop 3.0 …
Hadoop now has become a popular solution for today’s world needs. The design of Hadoop keeps various goals in mind. These are fault tolerance, handling of large datasets, data locality, …
In this tutorial, we will have an overview of various Hadoop Ecosystem Components. These ecosystem components are different services deployed by the various enterprise. We can integrate these to work …
Let’s take a look at the history of Hadoop and its evolution in the last two decades and why it continues to be the backbone of the big data industry. …
Have you ever thought why companies adopt Hadoop as an answer to Big Data Problems? In this part of the tutorial, we are going to study the essential features of …
Why Hadoop is Vital? Key Reasons To Learn Hadoop In the current fast-paced world, we hear a term – Big Data. Nowadays various companies collect data posted online. This unstructured …