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Here’s an overview of some of the new features in Solr 6.4. Download Solr 6.4 to try these features out and give us feedback! You can also check out upcoming features of the next Solr release. filter list for facet domain Any JSON facet command (terms, range, query) can now […]

Solr 6.4 Features


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 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


Lucene/Solr trunk (the future 6.0 release) is now on Java8, while version 5.x is still on Java7. Linux and Windows allows one to install a JDK any place in the filesystem, and I use the convention of installing in /opt/jdk7 and /opt/jdk8. Things are a little more difficult on Mac […]

Switching between Java7 and Java8 in Lucene/Solr


Solr 4.7 has been released! Here’s a slightly more in-depth overview of some selected features. Deep Paging Both single node, and distributed deep paging have been added to Solr! I previously created an example of how to use Solr’s deep paging, and Hoss has a great set of benchmarks showing […]

Solr 4.7 Features



I previously introduced Solr’s Result Grouping, also called Field Collapsing, that limits the number of documents shown for each “group”, normally defined as the unique values in a field or function query. Since then, there have been a number of bug fixes, performance improvements, and feature enhancements. You’ll need a […]

Solr Result Grouping / Field Collapsing Improvements


Solr has been able to produce JSON results for a long time, by adding wt=json to any query. A new capability has recently been added to allow indexing in JSON, as well as issuing other update commands such as deletes and commits. All of the functionality that was available through […]

Indexing JSON in Solr 3.1