Coming in Solr 4.8 is a new search component called the ExpandComponent. The ExpandComponent can be used to expand parent/child relationships in Solr. This blog describes how to use the ExpandComponent to expand the groups that were collapsed by the … Continued
Solr has had full featured Field Collapsing and Grouping since 2010. The CollapsingQParserPlugin, which was recently committed, provides an alternative approach with more specific design goals. Design Goals The initial CollapsingQParserPlugin requirements were driven by a Solr ECommerce user. The … Continued
Sometimes a small programming change can have a big impact on functionality. This is the case with SOLR-5541, which allows the QueryElevationComponent to accept elevate and exclude Id’s as http parameters. Now you have complete control over the most important … Continued
In Solr 4.5, client side document routing was added to CloudSolrServer. This feature routes document updates to the correct shard leader. This is the default behavior for CloudSolrServer so you don’t have to do anything to turn it on. Just … Continued
