[GitHub] incubator-predictionio issue #195: ES 2.x

[jorelcb <gi...@git.apache.org>]

Github user jorelcb commented on the issue:

    https://github.com/apache/incubator-predictionio/pull/195
  
    @jramos hi, please check possible negative effects on performance about use _queries_ in exchange of
     _filters_ in elasticsearch:
    
    https://www.elastic.co/guide/en/elasticsearch/guide/current/_queries_and_filters.html#_performance_differences
    
    > As a general rule, use query clauses for full-text search or for any condition that should affect the relevance score, and use filters for everything else.


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