title: Solr: Which size should a synonym file not exceed?
body: <p>Has anybody experiences with great synonym files for the SynonymFilterFactory? We want to write down functional requirements for a new project (group the search results by facets with hierarchical synonyms) without own experiences. </p>
  
  <p>How will be the index time increase per document? Which is a common file size for synonym files and which size should such a file not exceed? </p>