Custom Security Filtering in Solr: Based on Access Control Lists | Javalobby

Custom Security Filtering in Solr: Based on Access Control Lists | Javalobby

Erik currently builds solutions around Solr, including Collex. Ideas from Collex are being distlled into Solr Flare and solr-ruby. Erik has posted 1 posts at DZone. You can read more from them at their website. View Full User Profile Custom Security Filtering in Solr: Based on Access Control Lists 02.23.2012 Recap of Solr's filtering and caching First let's review Solr's filtering and caching capabilities.  Queries to Solr involve a full-text, relevancy scored, query (the infamous q parameter).  As users navigate they will browse into facets.  The search application generates filter query (fq) parameters for faceted navigation (eg. fq=color:red, as in the article referenced above).  The filter queries are not involved in document scoring, serving only to reduce the search space.  Solr sports a filter cache, caching the document sets of each unique filter query.  These document sets are generated in advance, cached, and reduce the documents considered by the main query.

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