Splunk breaks the uploaded data into events. Events are the key elements of Splunk search that are further segmented on index time and search time. Basically, segmentation is breaking of events into smaller units classified as major and minor. Segmentation can be explained with the help of the following example.
The complete IP address is a major segment, and a major segment can be further broken down into many minor segments, as shown in the following screenshot:
It is very important to configure event segmentation, as index-time segmentation affects storage size and indexing speed, and search-time segmentation affects the search speed and ability to create searches based on the result of searches on Splunk Web; depending on the need, specific types of segmentation can be configured. Splunk even provides the facility to apply event segmentation on a specific host, source, or source type.
The following are three types of event segmentation that can be configured...