Naveen - (Founder & Trainer @ NPN Training) – Medium

Naveen - (Founder & Trainer @ NPN Training)

Memory Consumption of Hadoop NameNode

Each file or directory or block occupies about 150 bytes in the namenode memory. So a cluster with a namenode with 32G RAM can support a…

Aug 8, 2022

Aug 8, 2022

Various Entry Points for Apache Spark

In Data Engineering Apache Spark is probably one of the most popular framework to process huge volume of data. In this blog post I am…

Sep 27, 2021

Sep 27, 2021

Apache Spark Architecture

Learn the fundamentals of apache spark architecture, and various components of apache spark, Masters Node, Workder Node, Executor, Task etc

Apr 2, 2021

Apache Spark Architecture

Apr 2, 2021

SparkContext & SparkSession

Learn the difference between SparkContext and SparkSession which is used in spark 1.x and 2.x, how to create both of them

Mar 19, 2021

Mar 19, 2021

Getting Started with Containerization and Docker

In this blog post we will learn the fundamentals of Containerization and Docker.

Mar 4, 2021

Getting Started with Containerization and Docker

Mar 4, 2021

Scala Language Fundamentals

Feb 28, 2021

Feb 28, 2021

Data Skew Problem in Spark

Learn how to solve one of the biggest problem to improve the performance of Spark i.e Data Skew

Feb 25, 2021

Feb 25, 2021

Flight delay dataset Analysis using Hive

Hive is a data ware house infrastructure built on top of Hadoop ecosystem to query and analyze structured data. It gives SQl like…

Feb 25, 2021

Feb 25, 2021

Getting Started with Sqoop — Part I

Most of the organizations store their operational data in relational databases. So, there was a need for a tool which can import and…

Feb 24, 2021

Getting Started with Sqoop — Part I

Feb 24, 2021

Multi Module Project with Maven

In this blog post I will explain Multi Module Project with Apache Maven. First we will understand what is Multi Module Project in Maven.

Feb 19, 2021

Feb 19, 2021

Naveen - (Founder & Trainer @ NPN Training)

Naveen - (Founder & Trainer @ NPN Training)

A software training institute which believes that technology has to be learnt under experienced practitioners — www.npntraining.com

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