Sophia is RAM-Disk hybrid storage. It is designed to provide best possible on-disk performance without degradation in time. It has guaranteed O(1) worst case complexity for read, write and range scan operations. It provides Full ACID compliancy, MVCC engine, Optimistic, non-blocking concurrency with N-writers and M-readers, Prefix search, Automatic key-expire, Implemented as small C-written library with zero dependencies and lot more.

Sophia - Advanced transactional MVCC key-value/row storage library

SSDB is a high performace key-value(key-string, key-zset, key-hashmap) NoSQL database, an alternative to Redis. SSDB is stable, production-ready and is widely used by many Internet companies including QIHU 360. Its feature include Redis client support, Persistent queue service, LevelDB  support, Built in CLI and lot more.

SSDB - A fast NoSQL database, an alternative to Redis

LMDB is an extraordinarily fast, memory-efficient database developed for the Symas OpenLDAP Project. With memory-mapped files, it has the read performance of a pure in-memory database while retaining the persistence of standard disk-based databases. With only 32KB of object code, LMDB may seem tiny. But it’s the right 32KB. Compact and efficient are two sides of a coin; that’s part of what makes LMDB so powerful.

LMDB - Lightning Memory-mapped Database

A fast, high availability, fully Redis compatible store.


qdb - A fast, high availability, fully Redis compatible store.

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Sophia - Advanced transactional MVCC key-value/row storage library

SSDB - A fast NoSQL database, an alternative to Redis

LMDB - Lightning Memory-mapped Database

qdb - A fast, high availability, fully Redis compatible store.

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Sophia - Advanced transactional MVCC key-value/row storage library

SSDB - A fast NoSQL database, an alternative to Redis

LMDB - Lightning Memory-mapped Database

qdb - A fast, high availability, fully Redis compatible store.

TechStack

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