In this tutorial I will guide you brief about lucene search to get you started with it. Lucene library is an open source project under apache meant for searching full text.
It is really powerful & used by many companies.
What is the prerequiste for understanding lucene ?
a) should know what indexing means
b) you should have built basic search algorithm for searching strings
c) understand vector space model algorithm (optional)
d) should have passion for search & how it works
Is lucene scalable ?
Yes , lucene is high-performance , scalable search library.