Optimizing Lucene performance

Question

What are the various ways of optimizing Lucene performance?

Shall I use caching API to store my lucene search query so that I save on the overhead of building the qu

Answer 1

Quick tips:

• Keep the size of the index small. Eliminate norms, Term vectors when not needed. Set Store flag for a field only if it a must.
• Obvious, but oft-repeated mistake. Create only one instance of Searcher and reuse.
• Keep in the index on fast disks. RAM, if you are paranoid.