Elasticsearch is a potent distributed search and analytics engine that can handle massive amounts of data quickly and nimbly. It is intended to offer almost instantaneous search capabilities for both structured and unstructured data. Elasticsearch allows for flexibility in data feeding and querying since it uses a JSON (JavaScript Object...

HDFS is a file system that is distributed, scalable, and fault-tolerant designed for big data storage and processing. It serves as a fundamental part of the Apache Hadoop ecosystem. HDFS breaks large files into blocks, replicates them across a cluster of commodity hardware (DataNodes), and uses a single, centralized server (NameNode) to manage...

Apache PIG questions and answers with explanation for interview, competitive examination and entrance test. Fully solved examples with detailed answer description, explanation are given and it would be easy to understand. The Apache Pig Online Test is free, and you can practice it multiple times. If you are the kind of an applicant to get nervous...

MapReduce is a programming model and processing technique designed for distributed computing and handling large data sets. It operates by dividing the data processing into two primary phases: the "Map" phase, which involves breaking down a complex task into smaller sub-tasks and processing them in parallel, and the "Reduce" phase, which...

HBase, short for Hadoop Database, is an open-source, distributed NoSQL database system designed for handling vast volumes of data. It operates within a distributed architecture, leveraging the Hadoop Distributed File System (HDFS) to store and manage data across multiple nodes in a cluster. Unlike traditional relational databases, HBase stores...

In our cassandra interview questions, we cover a broad spectrum of topics related to this distributed NoSQL database, assessing candidates' comprehension of Cassandra architecture, data modeling, and operational elements. Candidates might encounter questions delving into concepts such as eventual consistency, the CAP theorem, and the significance...

These Apache Sqoop Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of Apache Sqoop . As per my experience good interviewers hardly plan to ask any particular question during your interview, normally questions start with some basic concept...

Apache Hive interview questions span various facets of the platform, exploring topics essential for candidates to demonstrate their expertise in leveraging Hive for big data processing within the Hadoop ecosystem. Expectations typically include understanding Hive's architecture, its integration with Hadoop, and proficiency in HiveQL, the SQL-like...

Real-time data pipelines and streaming applications can be constructed with Apache Kafka, an open-source distributed event streaming platform. Initially created by LinkedIn, it was subsequently made available to the public as a component of the Apache Software Foundation. Applications can send and receive streams of records (messages or events)...

These hadoop Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of Hadoop.during your interview,normally questions start with some basic concept of the subject and later they continue based on further discussion and what you answer.we are...