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Big Data Architect???s Handbook

You're reading from   Big Data Architect???s Handbook A guide to building proficiency in tools and systems used by leading big data experts

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781788835824
Length 486 pages
Edition 1st Edition
Languages
Tools
Concepts
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Author (1):
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Syed Muhammad Fahad Akhtar Syed Muhammad Fahad Akhtar
Author Profile Icon Syed Muhammad Fahad Akhtar
Syed Muhammad Fahad Akhtar
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Toc

Table of Contents (21) Chapters Close

Preface 1. Why Big Data? FREE CHAPTER 2. Big Data Environment Setup 3. Hadoop Ecosystem 4. NoSQL Database 5. Off-the-Shelf Commercial Tools 6. Containerization 7. Network Infrastructure 8. Cloud Infrastructure 9. Security and Monitoring 10. Frontend Architecture 11. Backend Architecture 12. Machine Learning 13. Artificial Intelligence 14. Elasticsearch 15. Structured Data 16. Unstructured Data 17. Data Visualization 18. Financial Trading System 19. Retail Recommendation System 20. Other Books You May Enjoy

Understanding queries – CRUD commands

We already know that Elasticsearch uses a RESTful API as a communication model and we will be using Kibana as an IDE to run our API calls. Let's get started.

First, we need to start the Kibana service by executing the following commands, if Kibana has not already started:

$ sudo service kibana start
$ sudo service kibana status

Now point your browser to http://localhost:5601/ to open the Kibana application, as we did earlier. Once the application is open, click on the Dev Tools options from the menu, as shown in the following screenshot:

Kibana Dev Tools

Before we execute commands, let's understand some of Kibana's basic concepts. Indexes are like tables in a traditional relational database but, as in other NoSQL databases, Elasticsearch is also schema-free. In the earlier versions of Elasticsearch, we had to create...

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