22 Oct 2014

Heliosearch/Solr Facet Functions and Analytics
by | posted in: analytics, facets, grouping, heliosearch, solr | 0

Traditional faceted search (also called guided navigation) involves counting search results that belong to categories (also called facet constraints). The new facet functions in Heliosearch/Solr extends normal faceting by allowing additional aggregations on document fields themselves. Combined with the new … Continued

20 Oct 2014

Heliosearch/Solr Subfacets
by | posted in: analytics, facets, grouping, solr | 0

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 … Continued

6 Sep 2014

Native Code Faceting
by | posted in: facets, heliosearch, native code, off-heap data, performance, solr | 0

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 … Continued