Magento extension for boosting search results using Elasticsearch (0.20.x only)

For the latest version of Elasticsearch (0.90.x based on Lucene 4), there is a paid extension available here

Installation

Install with modgit:

$ cd /path/to/magento
$ modgit init
$ modgit clone elasticsearch https://github.com/jreinke/magento-elasticsearch.git

Install with modman:

$ cd /path/to/magento
$ modman init
$ modman clone https://github.com/jreinke/magento-elasticsearch.git

or download package manually:

Go to System > Configuration > Catalog > Catalog Search
Select Elasticsearch search engine
Configure server connection parameters
Specify index name (default is magento)
Optionally defines your custom search parameters
Optionally boost some product attributes in Catalog > Attributes > Manage Attributes
Reindex catalog search index