Depending on your schema, Solr will be much faster than Psql's full text search. Solr's faceted searching is much faster than table JOINs. But IMHO, the main a

Depending on your schema, Solr will be much faster than Psql's full text search. Solr's faceted searching is much faster than table JOINs. But IMHO, the main advantage to use Solr for search instead of Postgres is the query API.