The code inside the project works with Ruflin Elastica 3.2 and Elasticsearch 2.3.2

• install elasticsearch
• queries with marvel
• elasticsearch php clients

~ $ composer install 

configure Symfony app_dev.php to localhost:

~$ php -S localhost:8080 -t web web/app_dev.php

or

~$ php app/console server:run

• FosElasticaBundle Symfony Barcelona (YouTube es)
• SocialCast - Solr vs. ElasticSearch
• DBEngines - Solr vs. ElasticSearch vs. Sphinx
• JeremyFelt Github - Solr vs. ElasticSearch vs. Sphinx
• StackOverflow