Katta - Distributed Lucene Index in Production
by Stefan Groshupf, Founder/CTO at 101tec Inc. and Co-Founder at Scale Unlimited Inc.
Stefan describes an in-production system that can process millions of events, producing trend alerts and reports, using Hadoop and Katta, a distributed indexing system.
Link to this presentation: joa23.files.wordpress.com/2008/10/katta-in-production.pdf