Book Image

Improving Your Splunk Skills

By : James D. Miller, Paul R. Johnson, Josh Diakun, Derek Mock
Book Image

Improving Your Splunk Skills

By: James D. Miller, Paul R. Johnson, Josh Diakun, Derek Mock

Overview of this book

Splunk makes it easy for you to take control of your data and drive your business with the cutting edge of operational intelligence and business analytics. Through this Learning Path, you'll implement new services and utilize them to quickly and efficiently process machine-generated big data. You'll begin with an introduction to the new features, improvements, and offerings of Splunk 7. You'll learn to efficiently use wildcards and modify your search to make it faster. You'll learn how to enhance your applications by using XML dashboards and configuring and extending Splunk. You'll also find step-by-step demonstrations that'll walk you through building an operational intelligence application. As you progress, you'll explore data models and pivots to extend your intelligence capabilities. By the end of this Learning Path, you'll have the skills and confidence to implement various Splunk services in your projects. This Learning Path includes content from the following Packt products: Implementing Splunk 7 - Third Edition by James Miller Splunk Operational Intelligence Cookbook - Third Edition by Paul R Johnson, Josh Diakun, et al
Table of Contents (21 chapters)
Title Page

Using chart to turn data

The chart command is useful for turning data across two dimensions. It is useful for both tables and charts. Let's start with one of our examples from stats:

sourcetype="tm1*" error | chart count over date_month by date_wday

The resultant table looks like this:

If you look back at the results from stats, the data is presented as one row per combination. Instead of a row per combination, chart generates the intersection of the two fields. You can specify multiple functions, but you may only specify one field each for over and by.

Switching the fields (by rearranging our search statement a bit) turns the data the other way:

By simply clicking on the Visualization tab (to the right of the Statistics tab), we can see these results in a chart:

This is an Area chart, with particular format options set. Within the chart area, you can click on...