Which configuration file is associated with updating the Splunk indexers?

The configuration file that is associated with updating the Splunk indexers is indexes.conf. This file is essential for defining the characteristics of indexes in Splunk, such as the name, data types, retention policies, and maximum data size. By modifying the settings in indexes.conf, administrators can change how data is managed on indexers, including how long data is retained and where it is stored.

In particular, indexes.conf allows you to create, modify, or delete indexes, making it a critical component in managing the data lifecycle in Splunk environments. This file helps ensure that the indexing process is tailored to the organization's operational and compliance needs. Therefore, when updates pertaining to the indexing behavior or configuration of Splunk’s indexing layer are necessary, adjustments are made within indexes.conf.