Faceting, filters elimination and how to use it ?

During my everyday work, I have seen many repeated queries, to Solr, with only one filter difference. When I asked why – I got anserws that it was necessary to get the faceting results for various filters. If you are using Solr version 1.4 or later, my suggestion is to use local params – what is it and how to use – this post will attempt to answer both questions.

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