Katta - Lucene and more in the cloud.
Katta is a scalable, failure tolerant, distributed, data storage for real time access. Katta serves large, replicated, indices as shards to serve high loads and very large data sets. These indices can be of different type. Currently implementations are available for Lucene and Hadoop mapfiles. Its features include:
- Makes serving large or high load indices easy
- Serves very large Lucene or Hadoop Mapfile indices as index shards on many servers
- Replicate shards on different servers for performance and fault-tolerance
- Supports pluggable network topologies
- Master fail-over
- Fast, lightweight, easy to integrate
- Plays well with Hadoop clusters
http://katta.sourceforge.net/
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