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The Apache Lucene/Solr community is continuing its rapid release cycles to meet community and customer requirements. In this guest blog, we have invited Sarath Jarugula from Lucidworks to share with us the many improvements in the Apache Solr 5.2 release.
The Apache Solr community has announced its Solr 5.2 release. Solr 5.2 is a follow-up release to Solr 5.0, a significant major release in February 2015. The community has delivered 25 new features, 5 optimizations, and 38 bug fixes in this release.
Solr is now an integral part of the Apache Hadoop ecosystem, and has become a key component of the Hortonworks Data Platform (HDP). Using Apache Solr and the Hortonworks Data Platform, enterprises are able to realize use cases supporting both batch and real-time processing needs.
For the first time, Solr offers a security framework to support authentication and authorization. You can read detail description of Solr’s security features here.
Authentication plugins help in securing the endpoints of Solr by authenticating incoming requests. Solr’s AuthenticationPlugin class can now be extended to implement a custom security plugin. Solr 5.2 also includes Kerberos authentication plugin out-of-the-box, allowing customers to run Kerberos-enabled Hadoop and Solr together.
To authorize end-user access to your Solr collections, you can extend the AuthorizationPlugin interface to implement your authorization policies. Apache Ranger will utilize this to implement a central mechanism to define and enforce authorization for Solr collections.
For reliable replication, administrators can now configure two enhancements:
Also, with this release comes a substantial indexing performance improvement. Compared to Solr 4.x., performance is improved by almost 100%.
A number of facet improvements cater to faceted queries. For example, additional fields and display range allow for controlled queries; others improvements include:
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Comments
Glad to see Solr finally getting open source authentication and authorization – hopefully Elasticsearch will follow suit and I won’t have to keep building authenticated proxies…