Overview

In the customer management lifecycle, customer churn refers to a decision made by the customer about ending the business relationship. It is also referred as loss of clients or customers. Customer loyalty and customer churn always add up to 100%. If a firm has a 60% of loyalty rate, then their loss or churn rate of customers is 40%. As per 80/20 customer profitability rule, 20% of customers are generating 80% of revenue. So, it is very important…

Overview

This is second in a two part series that talks about Text Normalization using Spark.In this blog post, we are going to understand the jargon (jobs,stags and executors) of Apache Spark with Text Normalization application using Spark history server UI. 

Spark History Server UI

Web UI (aka Application UI or webUI or Spark UI) is the web interface of a running Spark application to…