A file system directory containing a portion of a Splunk Enterprise index.
A Splunk Enterprise index typically consists of many buckets, organized by age.
bucket search command is not related to the index buckets described here. Its purpose is to put continuous numerical values into discrete sets or bins. The
bucket command is actually an alias for the
bin command. See the bin command in the Search Reference.
For more information
In Managing Indexers and Clusters of Indexers: