Apache Solr

Apache Solr is a fast and innovative platform for open source enterprise search. As a reliable and fault-tolerant software, it provides load-balanced querying, distributed indexing, managed failovers, recovery and more. It is arguably one of the most popular software that powers search and navigation for a majority of websites. With an API similar to REST, clients can put in documents through JSON, CSV, XML or by HTTP. Apache Solr enables notable search capabilities using keywords, key phrases, wildcards, grouping and more, filters across data types. It works with the popularly used tools for enhancing application making manifolds. Further, an in-built, interactive administrative user interface makes the software very convenient for controlling different types of Solr instances. Moreover, thanks to the fault-tolerant abilities, Apache Solr can be easily scaled up and down as desired. Thus eradicating the chances of replication, rebalancing and distribution. It also offers to its clients detailed insights into the instances through JMX-published metric data. Further, Apache Solr’s published extension points make it convenient to deal with both index and query time plugins.