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    sophia - a modern, fast and feature-rich embeddable key-value database ☶ c databases github.com
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Sophia is an embeddable, transactional key-value database.

It has unique architecture that was created as a result of research and reconsideration primary algorithmic constraints of Log-file based data structures, such as LSM-tree. (see architecture)

Sophia is designed for fast write (append-only) and read (range query-optimized, adaptive architecture) small to medium-sized key-values.

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  • Full ACID compliancy
  • Multi-Version Concurrency Control (MVCC) engine
  • Pure Append-Only
  • Multi-databases support (Single environment and WAL)
  • Multi-Statement and Single-Statement Transactions (SERIALIZED view, multi-databases)
  • Multi-threaded (Client access and Engine scalability)
  • Consistent Cursors
  • Point-in-Time Snapshots
  • Asynchronous Online/Hot Backup
  • Easy to use (Clean and functional API)
  • Easy to integrate (Native support of using as storage engine)
  • Easy to write bindings (FFI-friendly, API designed to be stable in future)
  • Easy to built-in (Amalgamated, only two C files needed for work)
  • Implemented as small C-written library with zero dependencies
  • BSD Licensed

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