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Kibana Essentials
Kibana Essentials

Kibana Essentials: Use the functionalities of Kibana to discover data and build attractive visualizations and dashboards for real-world scenarios

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Kibana Essentials

Chapter 2. Exploring the Discover Page

Discover is one of the pages present in Kibana 4 that helps you to play around with your data. The Discover page is very crucial and plays an important role in understanding what your data is, what your data means, and how you can use this data for different kinds of visualization. This page gives you a full overview of your data including listings of indexes, listings of fields, and showing text contained in fields. In this page, you can view all the data stored in different indexes by changing the index pattern. You can search for data, query data, filter data, and view search results. Every search query result shows the matching documents. You can also view field-specific data on this page. Histogram is displayed on this page, which helps you to view your data on a time basis for which a time field has to be specified for every index.

The Discover page contains the following notable components:

  • Time filter
  • Toolbar
  • Index name
  • Fields list
  • Document...

Understanding the time filter

The time filter is a very powerful component that helps to drill down on data on a per time basis. It helps to see data of a specified time range. The time filter can be enabled/set only if the index contains a time field or time-based events. It eases the process of viewing large amounts of data but needing only to view data of a particular time, day, month, or year.

For example, if a news company is collecting Twitter tweets for its company hashtag but wants to analyze tweets tweeted between 8 p.m. and 9 p.m., then the time filter will be set to show data only between 8 p.m. and 9 p.m., which helps in easy analysis of data.

Time filter shows data of the last 15 minutes, as per the default settings. You can change the time range or select a specific time range by using Time Picker.

Before setting the time filter, let's examine the date and time interval for the tweets stored in the sample data of the tweet.json file. The tweets are stored in the UTC time...

Understanding the toolbar

The toolbar is one of the most crucial components of the Discover page, which helps with powerful analysis of data based on search queries and filters as applied. It is used for specifying the search query that is used for analyzing the data. Whenever a search query is specified, it checks in all documents and returns results of the matching search query. The toolbar consists of a search bar along with option buttons such as new search, save search, and load saved search.

Let's understand the usage of different options of the toolbar in detail.

Using the search bar

The search bar is used to search for a particular word, for example, a term either contained in all the documents or for searching for a particular term in a specific field in all the documents. Whenever a search query is submitted, it matches the documents of the selected index and returns the results. For searching a query, you can specify basic simple strings or use Apache Lucene query syntax. As...

Understanding the Fields list

The Fields list contains a listing of all the fields contained in the documents that appear within a selected index. The Fields list appears just beneath the index name on the left-hand side of the Discover page. It is used for knowing which fields appear in the data on the basis of which analysis can be done. It contains popular fields, selected fields, and all the other types of fields. Fields are displayed under each category in alphabetical order.

View field data information

This serves as an important metric that displays how many documents in the selected index will contain a specific field, what will be the top five values for the field, and the percentage breakdown of total documents containing the value.

Note

By default, document data contains 500 documents matching the search query as listed, although it can be modified by changing the discover:sampleSize option in advanced settings, which will be covered in Chapter 5, Exploring the Settings Page.

To see...

Understanding document data

Document data displays all the documents in the selected index. By default, document data shows 500 documents listed, with the most recent documents shown first. By default, document data displays the localized version of the specified time field in the selected index and document of field _source. In document data you can add field columns, remove field columns, view document data, and sort documents.

Add a field to document data

It is very simple to add a field to document data. Fields can be added from the Fields list, which is at the left side of the Discover page and below the index name.

To add a field to document data:

  1. Hover your mouse over any field from the Fields list and click on the Add button as shown:
    Add a field to document data
  2. Repeat the previous step until all fields that you want to be displayed have been added to the document data.

    For example, you want to add fields such as _index, user.name, user.screen_name, language, then by adding such fields document data would display...

Summary

In this chapter, we covered the various components of the Discover page. It provided an insight into the importance of using the Discover page, along with a proper understanding of the different components present in the Discover page. Also, each component was explained with the usage of various options present in the components.

In the next chapter, we will understand the Visualize page in Kibana, along with usage of various visualizations provided by Kibana. We will explore how Kibana provides easy-to-create visualizations.

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Description

Use the functionalities of Kibana to discover data and build attractive visualizations and dashboards for real-world scenarios About This Book Perform real-time data analytics and visualizations, on streaming data, using Kibana Build beautiful visualizations and dashboards with simplicity and ease without any type of coding involved Learn all the core concepts as well as detailed information about each component used in Kibana Who This Book Is For Whether you are new to the world of data analytics and data visualization or an expert, this book will provide you with the skills required to use Kibana with ease and simplicity for real-time data visualization of streaming data. This book is intended for those professionals who are interested in learning about Kibana,its installations, and how to use it . As Kibana provides a user-friendly web page, no prior experience is required. What You Will Learn Understand the basic concepts of elasticsearch used in Kibana along with step by step guide to install Kibana in Windows and Ubuntu Explore the functionality of all the components used in Kibana in detail, such as the Discover, Visualize, Dashboard,and Settings pages Analyze data using the powerful search capabilities of elasticsearch Understand the different types of aggregations used in Kibana for visualization Create and build different types of amazing visualizations and dashboards easily Create, save, share, embed, and customize the visualizations added to the dashboard Customize and tweak the advanced settings of Kibana to ensure ease of use In Detail With the increasing interest in data analytics and visualization of large data around the globe, Kibana offers the best features to analyze data and create attractive visualizations and dashboards through simple-to-use web pages. The variety of visualizations provided, combined with the powerful underlying elasticsearch capabilities will help professionals improve their skills with this technology. This book will help you quickly familiarize yourself to Kibana and will also help you to understand the core concepts of this technology to build visualizations easily. Starting with setting up of Kibana and elasticsearch in Windows and Ubuntu, you will then use the Discover page to analyse your data intelligently. Next, you will learn to use the Visualization page to create beautiful visualizations without the need for any coding. Then, you will learn how to use the Dashboard page to create a dashboard and instantly share and embed the dashboards. You will see how to tweak the basic and advanced settings provided in Kibana to manage searches, visualizations, and dashboards. Finally, you will use Kibana to build visualizations and dashboards for real-world scenarios. You will quickly master the functionalities and components used in Kibana to create amazing visualizations based on real-world scenarios. With ample screenshots to guide you through every step, this book will assist you in creating beautiful visualizations with ease. Style and approach This book is a comprehensive step-by-step guide to help you understand Kibana. It’s explained in an easy-to-follow style along with supporting images. Every chapter is explained sequentially , covering the basics of each component of Kibana and providing detailed explanations of all the functionalities of Kibana that appeal.

What you will learn

  • Understand the basic concepts of elasticsearch used in Kibana along with step by step guide to install Kibana in Windows and Ubuntu
  • Explore the functionality of all the components used in Kibana in detail, such as the Discover, Visualize, Dashboard,and Settings pages
  • Analyze data using the powerful search capabilities of elasticsearch
  • Understand the different types of aggregations used in Kibana for visualization
  • Create and build different types of amazing visualizations and dashboards easily
  • Create, save, share, embed, and customize the visualizations added to the dashboard
  • Customize and tweak the advanced settings of Kibana to ensure ease of use
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Table of Contents

8 Chapters
1. An Introduction to Kibana Chevron down icon Chevron up icon
2. Exploring the Discover Page Chevron down icon Chevron up icon
3. Exploring the Visualize Page Chevron down icon Chevron up icon
4. Exploring the Dashboard Page Chevron down icon Chevron up icon
5. Exploring the Settings Page Chevron down icon Chevron up icon
6. Real-Time Twitter Data Analysis Chevron down icon Chevron up icon
A. References Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Half star icon Empty star icon Empty star icon 2.8
(4 Ratings)
5 star 0%
4 star 50%
3 star 0%
2 star 25%
1 star 25%
Hug Me Jan 17, 2017
Full star icon Full star icon Full star icon Full star icon Empty star icon 4
Good book. Kibana isn't splunk but it's a good system
Amazon Verified review Amazon
Harshad Dada Velapure Apr 08, 2018
Full star icon Full star icon Full star icon Full star icon Empty star icon 4
Overall good bookNeed some deep info
Amazon Verified review Amazon
White Knight Jan 26, 2016
Full star icon Full star icon Empty star icon Empty star icon Empty star icon 2
Very basic, don't bother
Amazon Verified review Amazon
kds Mar 12, 2017
Full star icon Empty star icon Empty star icon Empty star icon Empty star icon 1
This book explain nothing that you would not get by just doing an install. It really is one of those worthless books that is thrown together because there is a market for people to buy such books. I can't find any good book on Kibana anywhere. There is a new version coming out, I can only hope that it better. The only alternative at this time seems to be YouTube videos.
Amazon Verified review Amazon
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