solr facets

Subfacets (also called Nested Facets) is a more generalized form of Solr’s current pivot faceting that allows adding additional facets for every bucket produced by a parent facet. Subfacet advantages over pivot faceting: Subfacets work with facet functions (statistics), enabling powerful real-time analytics Can add a subfacet to any facet […]

Solr Subfacets

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

Native code faceting for Solr has just been added to Heliosearch, and benchmarks show an impressive 2x performance increase! This is faceting code written in C++ and statically compiled for maximum performance, and loaded into the JVM via JNI (Java Native Interface). nCache, Heliosearch’s off-heap version of the Lucene/Solr FieldCache, […]

Native Code Faceting