Fulltext indexer

[Andreas.Motl]

Lucene and turtles all the way up.

[Andreas.Motl]

lupyne

[Andreas.Motl]

RediSearch is a new Fulltext-Indexer not based on Lucene, but with a remarkable feature set.

RediSearch: FullText Search and Secondary Index module for Redis

Overview RediSearch implements a search engine on top of Redis, but unlike other Redis search libraries, it does not use internal data structures like Sorted Sets. Inverted indexes are stored as a special compressed data type that allows for fast indexing and search speed, and low memory footprint. This also enables more advanced features, like exact phrase matching and numeric filtering for text queries, that are not possible or efficient with traditional Redis search approaches. Features F…

[Andreas.Motl]

We also would like to mention BitFunnel - a signature-based search engine here.

http://bitfunnel.org/

GitHub - BitFunnel/BitFunnel: A signature-based search engine

"Reasoning about performance (in the context of search)" by Dan Luu