title: Solr Collection vs Cores
body: <p>I struggle with understanding the difference between <strong>collections and cores</strong>. If I understand it correctly, cores are multiple indexes. Collection consists of cores, so essentially they share the same logic in separation, i.e. separate cores and collections have separate end-points.</p>
  
  <p>I have the following scenario. I create a backend for cloud service for several online shops. Each shop has a set of products, to which customers can add reviews. I want to index static data (product information) separately from dynamic information(reviews) so I can improve performance.</p>
  
  <p>How can I best separate in Solr???</p>