Skip to main content

Splunk Training + Certification

Search Under the Hood

Course Description

This eLearning course gives students additional insight into how Splunk processes searches. Students will learn about Splunk architecture, how components of a search are broken down and distributed across the pipeline, and how to troubleshoot searches when results are not returning as expected.

eLearning

Learn at your own pace through these free, video-only online courses accessible anytime, anywhere.

Register
eLearning with Labs

The best of both delivery methods. Self-paced eLearning videos accessible anytime, anywhere, plus access to the interactive lab environment to sharpen your skills.

Register

Course Prerequisites

Recommended:

  • Intro to Splunk eLearning course

Course Topics

  • Understanding Splunk architecture
  • Understanding how search terms are tokenized
  • Using streaming and non-streaming commands
  • Using troubleshooting commands and functions

Course Objectives
 

Topic 1 – Investigating Searches
  • Use the Search Job Inspector to examine how a search was processed and troubleshoot performance
  • Use SPL commenting to help identify and isolate problems

 

Topic 2 – Splunk Architecture
  • Understand the role of search heads, indexers, and forwarders in a Splunk deployment
  • Understand how the components of a bucket (.tsidx and journal.gz files) are used
  • Understand how bloom filters are used to improve search speed

 

Topic 3 – Streaming and Non-Streaming Commands
  • Describe the parts of a search string
  • Understand the use of centralized vs. distributable commands
  • Create more efficient searches

 

Topic 4 – Breakers and Segmentation
  • Understand how segmenters are used in Splunk
  • Use lispy to reduce the number of events read from disk
     

 

Topic 5 – Commands and Functions for Troubleshooting
  • Using the fieldsummary command
  • Using the makeresults command
  • Using information functions with the eval command
    • the isnull function
    • the typeof function