Apache Lucene and Solr 4.5

Today Apache Lucene and Solr PMC announced another version of Apache Lucene library and Apache Solr search server numbered 4.5. This is a next release continuing the 4th version of both Apache Lucene and Apache Solr.

Here are some of the changes that were made comparing to the 4.4:

Lucene

  • Support for missing values in DocValues
  • New in-memory DocIdSet implementation
  • Known bugfixes and improvements

Solr

  • Ability do define custom routing, with the possibility to use field value as routing
  • Ability to store solr.xml in ZooKeeeper
  • Multi-threaded faceting
  • CloudSolrServer can now send data directly to shard leader
  • Enchantments that comes with Apache Lucene 4.5

Full changes list for Lucene can be found at http://wiki.apache.org/lucene-java/ReleaseNote45. Full list of changes in Solr 4.5 can be found at: http://wiki.apache.org/solr/ReleaseNote45.

Apache Lucene 4.5 library can be downloaded from the following address: http://www.apache.org/dyn/closer.cgi/lucene/java/. Apache Solr 4.5 can be downloaded at the following URL address: http://www.apache.org/dyn/closer.cgi/lucene/solr/. Please remember that the mirrors are just starting to update so not all of them will contain the 4.5 version of Lucene and Solr.

This entry was posted on Saturday, October 5th, 2013 at 10:53 and is filed under About Lucene, About Solr, Solr. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.