For background information about the Lucene index, see Understanding Indexing in Advanced Installation and Reconfiguration in the Novell Vibe OnPrem 3.1 Installation Guide.
Understanding Indexing
Advanced Installation and Reconfiguration
Section 24.1, Starting and Stopping the Lucene Index Server
Section 24.2, Changing Your Lucene Configuration
Section 24.3, Optimizing the Lucene Index
Section 24.4, Rebuilding the Lucene Index
Section 24.5, Performing Maintenance on a High Availability Lucene Index