Spark做为一个通用的大数据引擎，用例太多，很难说得全。。。我们也就只能随机选取几个来分享。。。今夜，分享一本微软出品的Spark经典用例电子书: Three practical use cases with Azure Databricks

用户的忠诚度分析 A churn analysis model

Customer Churn also known as customer attrition, customer turnover, or customer defection, is the loss of clients or customers. Predicting and preventing customer churn is vital to a range of businesses.

电影推荐引擎 A movie recommender engine

Recommendation engines are used across many industries, from external use on retail sites, to internal use on employee sites. A recommendation engine delivers plans to end users based on points that matter to them.

入侵检测 An intrusion detection demonstration

Intrusion Detection System (IDS) is a device or software application that monitors a network or systems for malicious activity or policy violations.