Elasticsearch Tutorial Getting Started with Elasticsearch Elasticsearch is an open-source, highly scalable, full-text search, and analytics engine. You can crawl through big volume of data rapidly with the help of Elasticsearch. Generally, it is used in applications where complex search is required. It is developed in Java and licensed […]
Big Data
All frameworks and technologies in Big Data domain.
Getting started with MapReduce Programming
In this article, you will learn to write MapReduce program using Java programming language. This program is to just understand the concept of MapReduce programming, which will simply take some input file and same data will be passed through Mappers and Reducer to generate the final output. Pre-Requisites: 1. Eclipse […]
Logstash Interview Questions and Answers
Logstash Interview Questions and Answers Logstash Interview Questions and answers have been framed specially to get you prepared for the most frequently asked questions in many job interviews. Here we have provided Tips and Tricks for cracking LogStash interview Questions. These LogStash Interview questions and answers are useful for Beginner, Advanced […]
Kibana Interview Questions and Answers
Kibana is open source visualization framework as data plug-in in Elasticsearch. Through it, the visual capabilities of the data get enhanced in the context of indexing. Elasticsearch is totally an open source search engine working over HTTP interface and JSON documents with full texts. The components of it provide very […]
Big Data – Hadoop Interview Questions
To crack an interview, it is must that your basic concepts about frameworks are pretty clear. On request of many of our students, we’ve put together a comprehensive list of questions to help you get through your Big Data – Hadoop interview. We’ve made sure that the most probable questions […]
ElasticSearch Interview Questions and Answers
In this tutorial, we would discuss about ElasticSearch Interview Questions and Answers for beginners as well as experienced. Elasticsearch is a real-time and evenly distributed search engine that supports restful searching and analysis based upon the Apache Lucene full-text search engine. It has distributed and full-field real-time analytics storage. Along […]
Comparison Between Hadoop 2.x vs Hadoop 3.x
Hadoop has undergone many changes in three different versions. Hadoop 3 combines the efforts of hundreds of contributors over the last six years since Hadoop 2 launched. In this tutorial, we will discuss the Comparison between Hadoop 2.x vs Hadoop 3.x. So, let’s first see comparison in tabular format: Hadoop […]
Python Programming & Data Analysis Interview Questions and Answers
Python Certification is the most sought-after skill in programming domain. In this Python Interview Questions blog, We will introduce you to the most frequently asked questions in Python interviews. Our Python Interview Questions is the one-stop resource from where you can boost your interview preparation. We have questions on Python […]
Python Interview Questions & Answers
Python has become a number one and widely used language in the programming world. The current machine learning boom has raised the number of Developers learning Python. It’s highly versatility nature made it widely acceptable in web, desktop apps, and in many other areas. The popularity for Python is rising […]
Apache Pig Data Types
Pig datatypes could be categorized into following two categories: Scalar/Simple Complex Scalar Types Complex Types Map: A map in Pig is a chararray to data element mapping, where that element can be any Pig type, including a complex type. The chararray is called a key and is used as an […]