Why is Solr so much faster than Postgres?

Question

I recently switched from Postgres to Solr and saw a ~50x speed up in our queries. The queries we run involve multiple ranges, and our data is vehicle listings. For example: \"Fi

Answer 1

Please read this and this.

Solr (Lucene) creates an inverted index which is where retrieving data gets quite faster. I read that PostgreSQL also has similar facility but not sure if you had used that.

The performance differences that you observed can also be accounted to "what is being searched for ?", "what are the user queries ?"