Learn Apache Solr

Solr is a scalable, ready to deploy, search/storage engine optimized to search large volumes of text-centric data. Solr is enterprise-ready, fast and highly scalable. In this tutorial, we are going to learn the basics of Solr and how you can use it in practice.
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* Features:
# Quick and Easy Navigation
# Very simple User Interface
# One click share for your friend
# Free app

Good luck!