Puppet Enterprise database maintenance You can optimize the Puppet Enterprise (PE) databases to improve performance. Databases in Puppet Enterprise PE uses PostgreSQL as the backend for its databases. Use the native tools in PostgreSQL to perform database exports and imports. Optimize a databaseIf your databases are slow, begin taking up too much disk space, or need general performance enhancements, use the PostgreSQL vacuum command to optimize any of the PE databases. List all database namesUse these instructions to list all database names.