Apache Solr – Core
A Solr Core is a running instance of a Lucene index that contains all the Solr configuration files required to use it. We need to create a Solr Core to…
Mahout – Classification
What is Classification? Classification is a machine learning technique that uses known data to determine how the new data should be classified into a set of existing categories. For example,…
Mahout – Clustering
Clustering is the procedure to organize elements or items of a given collection into groups based on the similarity between the items. For example, the applications related to online news…
Spark SQL – Installation
Spark is Hadoop’s sub-project. Therefore, it is better to install Spark into a Linux based system. The following steps show how to install Apache Spark. Step1: Verifying Java Installation Java…
Apache Solr – Basic Commands
Starting Solr After installing Solr, browse to the bin folder in Solr home directory and start Solr using the following command. [Hadoop@localhost ~]$ cd [Hadoop@localhost ~]$ cd Solr/ [Hadoop@localhost Solr]$ cd bin/…
Spark SQL – RDD
Resilient Distributed Datasets Resilient Distributed Datasets (RDD) is a fundamental data structure of Spark. It is an immutable distributed collection of objects. Each dataset in RDD is divided into logical…
Talend Open Studio
Talend Open Studio is a free open source ETL tool for Data Integration and Big Data. It is an Eclipse based developer tool and job designer. You just need to…
Network Security – Network Layer
Network layer security controls have been used frequently for securing communications, particularly over shared networks such as the Internet because they can provide protection for many applications at once without…
Talend – Installation
To download Talend Open Studio for Big Data and Data Integration, please follow the steps given below − Step 1 − Go to the page: https://www.talend.com/products/big-data/big-data-open-studio/ and click the download button. You can…
Apache Solr – Terminology
In this chapter, we will try to understand the real meaning of some of the terms that are frequently used while working on Solr. General Terminology The following is a…
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