Here’s an overview of some of the new features in Solr 6.1. Download Solr 6.1 to try these features out and give us feedback! You can also check out upcoming features of the next Solr release. shortestPath Streaming Expression A shortestPath Streaming Expression was added that implements a distributed breadth-first […]

Solr 6.1 Features


Here’s an overview of some of the new features in Solr 7.0 Download Solr 7 to try these features out and give us feedback!   Point Numeric Fields The now deprecated trie-based numeric fields use (and abuse) the full-text index to index parts of numbers to speed up range queries. […]

Solr 7 Features


Here’s an overview of some of the new features in Solr 6.0. Download Solr 6 to try these features out and give us feedback! You can also check out upcoming features of the next Solr release. Parallel SQL Parallel SQL queries across SolrCloud collections. The SQL engine is built on […]

Solr 6 Features



Here’s an overview of some of the new features in Solr 5.5 Also see Solr Download Links and upcoming Features of the next Solr release. Return docValues fields like stored fields In previous Solr versions, returning the top N documents only retrieved field values from the row-store (i.e. fields where […]

Solr 5.5 Features


NOTE: This uses syntax from the upcoming Solr 5.4 release. If you are using Solr 5.2 or 5.3, specify domain:{excludeTags:mytag} as excludeTags:mytag. Multi-Select Faceting with Solr Multi-select faceting is a powerful faceting style that allows users to see and select multiple facet constraints (facet values) for certain facets. This example […]

Multi-Select Faceting


Here’s an overview of some of the new features in Solr 5.4 Also see Solr Download Links and upcoming Features of the next Solr release. filter() operator in lucene/solr query syntax A filter query retrieves a set of documents matching a query from the Solr filter cache. This improves performance […]

Solr 5.4 Features



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


Here’s an overview of some of the new features in Solr 5.3 Also see Solr Download Links and upcoming Features of the next Solr release. Faceting Nested Documents The JSON Facet API can now change the domain for facet commands, essentially doing a block join and moving from parents to […]

Solr 5.3 Features


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



Solr Tutorial This tutorial is for Solr 5.5 and later. If you have Solr 4, check out the Solr 4 Tutorial. 1. Download Solr Download and unpack the latest Solr release from the Apache download mirrors. You may want to check out the Solr Prerequisites as well. 2. Start Solr […]

Solr Tutorial