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DESIGN TEMPLATES
High indexing speed (up to 10-15 MB / s per each processor core)
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EASY TO USE
High search speed (up to 150-250 requests per second for each processor core with 1 000 000 documents)
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A LOT OF TOOLS
High scalability (the largest known cluster indexes up to 3,000,000,000 documents and supports more than 50 million queries per day)
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DISCONNECTED COMPONENTS
Support morphological search - there are built-in modules for English, Russian and Czech languages; available modules for French, Spanish, Portuguese, Italian, Romanian, German, etc
 
SPHINX.
Sphinx is an open source product. This is actually a search engine, developed from scratch, for high-load projects, with custom relevancy (meaning search quality), as well as ease of integration into any project. A distinctive feature is the high speed of indexing and searching, as well as integration with existing DBMS (MySQL, PostgreSQL) and API for common web programming languages