Chapter 1. The Need for Data Lake

In this chapter, we will understand the rationale behind building a Data Lake in an organization that has huge data assets. The following topics will be covered in this chapter:

• Explore the emerging need for Data Lake by understanding the limitations of the traditional architectures

• Decipher how a Data Lake addresses the inadequacies of traditional architectures and provides significant benefits in terms of time and cost

• Understand what a Data Lake is and also its architecture

• Practical guidance on the key points to consider before deciding to build a Data Lake

• Understand the key components that could be a part of a Data Lake and comprehend how crucial each of these components are to build a successful Data Lake