About Apache Solr
Solr is a NoSQL data browser. It was developed by Yonik Seeley in 2007, and it is part of the Lucene project. Solr
functions as a browser,
and it runs on a server. Solr has a particular way of functioning that you need to understand before diving into its
uses or its specific features.
First, Solr Indexes the information that is fed into it. It transforms it into a format that can be machine-read.
Then, the user inputs a query and the Solr client interprets it. A query can be in the form of keywords or even have
the capability of being images.
Then, Solr maps the query to the data that is stored within and identifies the proper result. Finally, comes the
process of ranking,
which is exactly what one might expect when hearing the word. The outputs are ranked per relevance, or likelihood that
the query was referring
to that document or set of documents in particular. As Solr is a data browser, and not necessarily a server, it can be
integrated with other
tools like Cassandra, making it a powerful combination that integrates brilliant features from multiple