What is a Splunk license used for?

A Splunk license is primarily used to manage the amount of data indexed daily. Each license determines how much data can be ingested into Splunk within a given time frame, typically measured in gigabytes per day. This is crucial for ensuring that organizations can control their data usage and optimize costs, as exceeding the licensed data limit can lead to alerts or a suspension of data ingestion.

The licensing model is in place to promote efficient data management and is an essential aspect of Splunk’s architecture. It serves as a guideline for data ingestion, aligning with organizational needs and budget constraints. Adequate monitoring of indexed data is vital to maintain compliance with license agreements and to prevent potential disruptions in service.

Other options focus on different aspects of Splunk's functionality, such as access control or search performance, but they do not pertain directly to the purpose of licenses. Thus, the correct understanding of a Splunk license revolves around its role in managing data indexing volumes.