In the previous chapters, we went through various aspects of Apache Solr, including its capabilities, features, and different case studies. In Chapter 6, Distributed Search Using Apache Solr, we looked at SolrCloud, which provides excellent scaling capabilities with features such as distributed Solr instances with replication for high availability. The capabilities of Apache Solr have enabled organizations to indulge themselves in Apache Solr-based solution development. This demand in turn triggered the need to integrate Apache Solr-based enterprise search to work with mature high-performance open source software available today to achieve the best of both worlds.

There are many parallel tracks that are going on along with the Apache Solr open source community. These tracks focus on enhancing the integration of Solr with different tools to overall achieve objectives of high-scale Solr. We are going to look at some...