Data Lakes For Dummies. Alan R. Simon
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Название: Data Lakes For Dummies

Автор: Alan R. Simon

Издательство: John Wiley & Sons Limited

Жанр: Базы данных

Серия:

isbn: 9781119786184

isbn:

СКАЧАТЬ like the overall idea of a data lake. But you’re talking about overhauling almost all your current analytical data environment. Over the past couple of decades, your organization has spent a ton of money on a couple of data warehouses, not to mention hundreds of data marts. And that was just the start!

      Every budget planning cycle, your CFO groans at the price tag of keeping those data warehouses and data marts running. The servers, the database software, the staff to keep things up and running … sure, everyone in your organization would love to stop writing those huge checks every year to keep those old systems running. But wouldn’t a data lake mean starting all over from scratch with a gigantic price tag?

      Not necessarily! In fact, your new data lake presents you with the opportunity to get a grip on your overall analytical costs, as well as to get started without having to write a seven- or even eight-figure check.

      Too good to be true? Thanks to the financials of cloud computing, you can have your data lake and drink it, too. (Wow, that was a really bad metaphor, but you get the idea.)

      Almost all data lakes are built and deployed on a cloud computing platform, such as Amazon Web Services (AWS) or Microsoft Azure. With cloud computing, you can tiptoe into new technology using a pay-by-the-drink model. (Now that metaphor works much better!)

      

Most likely, your organization has already headed into the world of cloud computing. You may be using Salesforce for customer relationship management (CRM), or enterprise resource planning (ERP) software such as NetSuite or Workday for your finance and accounting, human resources, and other “back office” functions. If you’ve already dabbled in cloud computing for your operational applications, heading in the same direction for your analytics is natural.

      You’ll build your data lake in a phased, iterative, and incremental manner (see Chapter 17). With cloud computing, you can pay as you go along each phase, with tighter controls over your financial outlays for your data lake than you had with your earlier data warehouses and data marts.

      

“Managing overall analytical costs” does not equate to “not spending a lot of money. You’ll still need to keep a close watch on the total cost of ownership (TCO) of your data lake. With cloud computing, the meter is always running as your business users run reports, produce visualizations, and build machine learning models.

      But you’ll have the opportunity for a fresh start with new technology and new approaches to enterprise analytics, without the need to make a gigantic investment up front as you bravely enter this new world of data lakes.

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