Seems like the author really wants to build a search engine and not use something that exists already. This post https://www.parse.ly/lucene/ https://www.parse

Seems like the author really wants to build a search engine and not use something that exists already. This post https://www.parse.ly/lucene/ https://www.parse.ly/lucene/ provides a great insight into the value of file system use when writing inverted indices that perform well.