Splunk® Enterprise Security

Administer Splunk Enterprise Security

This documentation does not apply to the most recent version of Splunk® Enterprise Security. For documentation on the most recent version, go to the latest release.

Revise asset and identity lookup memory usage behavior in

Prior to the release of Splunk Cloud Platform 8.0.2004, KV Store backed lookups do not respect the max_memtable_bytes setting. This means that KV Store backed lookups are always stored in memory on the indexer.

With the release of Splunk Cloud Platform 8.0.2004, KV Store backed lookups do respect the max_memtable_bytes setting. This means that a KV Store backed lookup is stored in memory until it exceeds the definition in the max_memtable_bytes setting.

You might experience the following behavior after upgrading. Using Splunk Enterprise 8.0 as an example, consider a KV Store lookup of 1 GB in size that is used as an automatic lookup, with max_memtable_bytes=25MB. If you upgrade to a Splunk Cloud Platform version of 8.0.2004 or higher, the 1 GB size exceeds the max_memtable_bytes setting, so an index file is created and the lookup occurs on disk, which is slower.

The default setting in Splunk Cloud Platform is max_memtable_bytes=100MB. Splunk Cloud Platform customers need to contact technical support if necessary to revise this behavior.

To revise this behavior in an on-premises environment, increase your max_memtable_bytes in the $SPLUNK_HOME/etc/system/local/limits.conf file. See lookup of limits.conf in the Splunk Enterprise Admin Manual.

Last modified on 22 November, 2021
Revise the miscellaneous settings used by the identity manager framework in   Verify that your asset and identity data was added to Splunk Enterprise Security

This documentation applies to the following versions of Splunk® Enterprise Security: 6.4.0, 6.4.1, 6.5.0 Cloud only, 6.5.1 Cloud only, 6.6.0, 6.6.2

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