Title: Apache Solr 4.9.0 Available category: solr/news URL: save_as:

The Lucene PMC is pleased to announce the release of Apache Solr 4.9.0

Solr is the popular, blazing fast, open source NoSQL search platform from the Apache Lucene project. Its major features include powerful full-text search, hit highlighting, faceted search, dynamic clustering, database integration, rich document (e.g., Word, PDF) handling, and geospatial search. Solr is highly scalable, providing fault tolerant distributed search and indexing, and powers the search and navigation features of many of the world's largest internet sites.

Solr 4.9.0 is available for immediate download at: https://lucene.apache.org/solr/mirrors-solr-latest-redir.html

See the CHANGES.txt file included with the release for a full list of details.

Solr 4.9.0 Release Highlights:

• Numerous optimizations for doc values search-time performance

• Allow a client application to request the minium achieved replication factor for an update request (single or batch) by sending an optional parameter “min_rf”.

• Query re-ranking support with the new ReRankingQParserPlugin.

• A new [child ...] DocTransformer for optionally including Block-Join decendent documents inline in the results of a search.

• A new (default) Lucene49NormsFormat to better compress certain cases such as very short fields.