Any reason not use PostgreSQL's built-in full text search on Heroku?

Question

I\'m preparing to deploy a Rails app on Heroku that requires full text search. Up to now I\'ve been running it on a VPS using MySQL with Sphinx.

However, if I want to us

Answer 1

I found this amazing comparison and want to share it:

Full Text Search In PostgreSQL

Time to Build Index LIKE predicate -- none
PostgreSQL / GIN -- 40 min
Sphinx Search -- 6 min
Apache Lucene -- 9 min
Inverted index -- high

Index Storage LIKE predicate -- none
PostgreSQL / GIN -- 532 MB
Sphinx Search -- 533 MB
Apache Lucene -- 1071 MB
Inverted index -- 101 MB

Query Speed LIKE predicate -- 90+ seconds
PostgreSQL / GIN -- 20 ms
Sphinx Search -- 8 ms
Apache Lucene -- 80 ms
Inverted index -- 40 ms