Hermes - A minimal async search engine library
Features:
- Fully async IO with Directory abstraction for network/local/memory storage
- SSTable-based term dictionary with hot cache and lazy loading
- Bitpacked posting lists with block-level skip info
- Document store with Zstd compression
- Multiple segments with merge support
- Text and numeric field support
- Term, boolean, and boost queries
- BlockWAND / MaxScore query optimizations