stats component

Solr Facet Performance These benchmarks compare the performance of the new JSON Facet API with it’s “performance-first” architecture, and the existing (legacy) Solr Facets. Test index details: documents: 5M index segments: 25 index size: 1.74GB 6 single valued string fields with 10, 100, 1000, 10000, 100000, 1000000 unique values respectively. […]

Facet & Analytics Performance

A 100% accurate count of distinct values (count distinct) is not generally possible without actually observing all of the values together. However there are a number of ways to estimate the count. “unique” Facet Function The unique facet function is Solr’s fastest implementation to calculate the number of distinct values. […]

Count Distinct in Solr