Splunk® Enterprise

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How Splunk Enterprise licensing works

Splunk Enterprise ingests external data, indexes it, and stores it on disk. For details on this process, see How indexing works in Managing Indexes and Clusters of Indexers.

Licenses specify how much external data you can index per day.

All Splunk Enterprise instances require a license. If you have a standalone indexer, you can install the license locally. If, instead, you have a distributed deployment, consisting of multiple Splunk Enterprise instances, you must configure one of the instances as a license master. You then set up a license pool from which the other instances, configured as license slaves, can draw. See Licenses and distributed deployments.

Multiple types of licenses are available, to accommodate a variety of needs. See Types of Splunk licenses.

How data is metered

For event data, data volume is based on the amount of raw external data that the indexer ingests into its indexing pipeline, after any filtering. It is not based on the amount of compressed data that gets written to disk.

For metrics data, each metric event counts as a fixed 150 bytes. Metrics data does not have a separate license. Ingested metrics data draws from the same license quota as event data.

The Splunk Enterprise trial license

When you first install a downloaded copy of Splunk Enterprise, the installed instance uses a 60 day trial license. This license allows you to try out all of the features in Splunk Enterprise for 60 days, and to index up to 500 MB of data per day.

If you want to continue using Splunk Enterprise features after the 60 day trial expires, you must purchase an Enterprise license. Contact a Splunk sales rep to learn more. See Types of Splunk licenses for information on Enterprise licenses.

If you do not install an Enterprise license after the 60 day trial expires, you can switch to Splunk Free. Splunk Free includes a a subset of the features of Splunk Enterprise. It allows you to index up to 500 MB of data a day indefinitely. See About Splunk Free

Splunk Free does not include authentication. This means that any user can access your installation through Splunk Web or the CLI without providing credentials.

Additionally, Splunk Free does not include scheduled saved searches or alerts, so any saved searches or alerts that you have previously configured will no longer run once you switch to Splunk Free.

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This documentation applies to the following versions of Splunk® Enterprise: 7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.1.0, 7.1.1, 7.1.2


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