article thumbnail

Top 10 Hadoop Interview Questions You Must Know

Analytics Vidhya

Introduction The Hadoop Distributed File System (HDFS) is a Java-based file system that is Distributed, Scalable, and Portable. HDFS and […] The post Top 10 Hadoop Interview Questions You Must Know appeared first on Analytics Vidhya. Due to its lack of POSIX conformance, some believe it to be data storage instead.

Hadoop 240
article thumbnail

A Beginner’s Guide to the Basics of Big Data and Hadoop

Analytics Vidhya

Big data […] The post A Beginner’s Guide to the Basics of Big Data and Hadoop appeared first on Analytics Vidhya. Big data is nothing but the vast volume of datasets measured in terabytes or petabytes or even more.

Hadoop 210
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Top 8 Interview Questions on Apache Sqoop

Analytics Vidhya

Introduction In this constantly growing technical era, big data is at its peak, with the need for a tool to import and export the data between RDBMS and Hadoop. Apache Sqoop stands for “SQL to Hadoop,” and is one such tool that transfers data between Hadoop(HIVE, HBASE, HDFS, etc.)

Hadoop 228
article thumbnail

Data Integrity for AI: What’s Old is New Again

Precisely

Then came Big Data and Hadoop! And the more sources of data continued to expand, moving beyond mainframes and relational databases to semi-structured and unstructured data sources spanning social feeds, device data, and many other varieties, made it impossible to manage in the same old data warehouse architectures. A data lake!

article thumbnail

A Dive into the Basics of Big Data Storage with HDFS

Analytics Vidhya

Introduction HDFS (Hadoop Distributed File System) is not a traditional database but a distributed file system designed to store and process big data. It is a core component of the Apache Hadoop ecosystem and allows for storing and processing large datasets across multiple commodity servers.

article thumbnail

Hadoop vs Spark: Main Big Data Tools Explained

AltexSoft

Hadoop and Spark are the two most popular platforms for Big Data processing. To come to the right decision, we need to divide this big question into several smaller ones — namely: What is Hadoop? To come to the right decision, we need to divide this big question into several smaller ones — namely: What is Hadoop? scalability.

article thumbnail

Cloud Data Warehouse Migrations: Success Stories from WHOOP and Nexon

Snowflake

For organizations considering moving from a legacy data warehouse to Snowflake, looking to learn more about how the AI Data Cloud can support legacy Hadoop use cases, or assessing new options if your current cloud data warehouse just isn’t scaling anymore, it helps to see how others have done it.