Solr
The Solr full-text search platform is provided for Drupal applications. Amezmo provides this with the Advanced instance type. See below for some resources for getting started.
Solr API
From your SSH session, you can check which cores are created with this command
curl http://localhost:${SOLR_PORT:-8983}/solr/admin/cores
curl http://localhost:8983/solr/drupal/config
curl http://localhost:8983/solr/drupal/schema