0b4ac2b0_earch___the_Feature_Smackdown___Solr_4_7_0
[Feature] Push Queries [ElasticSearch 1.0] Percolation. Distributed percolation supported in 1.0 [Solr 4.7.0] 
JIRA issue
Apache Solr vs ElasticSearch - the Feature Smackdown!
Solr 4.7.0