Traditional faceted search (also called guided navigation) involves counting search results that belong to categories (also called facet constraints). The new facet functions in Solr extends normal faceting by allowing additional aggregations on document fields themselves. Combined with the new Sub-facet feature, this provides powerful new realtime analytics capabilities. Also […]

Solr Facet Functions and Analytics

Solr 5.1 has been released! Here’s an overview of how to use some of the new features. Also see Solr download links and upcoming features of the next Solr release. New Facet Module The new facet module has a native JSON Facet API, first-class support for statistics and analytics via […]

Solr 5.1 Features

The percentile aggregation function was just added to the new Solr Facet Module. This allows one to calculate one or more percentiles for each facet bucket (i.e. each group of documents produced by faceting), and even sort facet buckets by any given percentile. The percentile aggregation even works with distributed […]

Percentiles for Solr Faceting