Big Data

Preparing for a Hadoop administration interview means anticipating challenges, responsibilities, and expectations that define real-world cluster operations. These Hadoop Admin Interview questions reveal judgment, troubleshooting depth, and readiness under pressure. Strong preparation opens roles across data platforms, reflecting industry demand and practical impact. Employers value technical experience, hands-on analysis, and proven skillset from freshers to…

Talend Tutorial Summary In this Talend tutorial, you will learn all the concepts from scratch. This tutorial covers basic to advanced topics like What is talend, history of talend tool, talend big data, Benefits of data integration using talend tool, open-studio architecture, and talend open studio extensions. This talend tutorial is absolutely free. What is…

Big Data Testing Big Data Testing is a testing process of a big data application in order to ensure that all the functionalities of a big data application works as expected. The goal of big data testing is to make sure that the big data system runs smoothly and error-free while maintaining the performance and…

What is OOZIE? Apache Oozie is a workflow scheduler for Hadoop. It is a system which runs the workflow of dependent jobs. Here, users are permitted to create Directed Acyclic Graphs of workflows, which can be run in parallel and sequentially in Hadoop. It consists of two parts: Workflow engine: Responsibility of a workflow engine…