Features include:

• Distributed and Highly Available Search Engine.
  • Support index sharding and replication
  • Read / Search operations performed on either one of the replica shard.
  • Designed For Big Data Issues
• High Performance
  • Optimized PFor-delta Index Compression, High Compression Ratio
  • Well-tuned Implementation for Maximun Performance
  • High Indexing and Searching Performance (Much Faster Than Lucene and Sphinx)
• Multi cluster with different schema
  • Support for more than one cluster (index).
  • Multi Cluster Search In One Request
• Various set of APIs
  • HTTP RESTful API
  • RPC client for multi language (PHP/Python and so on)
  • Native C++ API
• Built-in Chinese Language Support
  • Semantic Word Segment
  • Single Word Segment
  • Support UTF-8/GBK
• Cross Multi Platform
  • Support Windows/Ubuntu/RedHat/MAC OS…
• Open Source under LGPL License.