This blog post aims to give a better understanding of Docvalues and stored fields in Apache Solr for the operations in which they can be used interchangeably.
What happens with facets aggregations on fields when documents in the results have been filtered by Access Control Lists ?In such scenarios it is important to use the facet mincount parameter.That specifies the minimum count in the result set for a facet value to appear in the response: mincount=0, all the facet values present in … Continue reading Apache Solr Facets and ACL Filters Using Tag and Exclusion
Apache Solr distributed faceting feature has been introduced back in 2008 with the first versions of Solr (1.3 according to this jira) . Until now, I always assumed it just worked, without diving too much into the details. Nowadays distributed search and faceting are extremely popular, you can find them pretty much everywhere (in the … Continue reading Apache Solr Distributed Facets