Embeddable data storage engines.

Tracking, Benchmarking and Sharing Information about an open source embedded data storage engines, internals, architectures, data storage and transaction processing.

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Storage Engines

name language storage description
Berkeley DB C B-Tree, Hash Berkeley DB (BDB) is a software library that provides a high-performance embedded database for key/value data.
Tokyo/Kyoto Cabinet C++ B-Tree, Hash Tokyo Cabinet and Kyoto Cabinet are two libraries of routines for managing key-value databases.
SQLite C B-Tree, LSM SQLite is a relational database management system contained in a C programming library.
UnQLite C Hash UnQLite is a in-process software library which implements a self-contained, serverless, zero-configuration, transactional NoSQL database engine.
LevelDB C++ LSM LevelDB is an open source on-disk key-value store written by Google.
LevelDB by Basho C++ LSM A fork of LevelDB modified to benefit the Riak environment.
LevelDB by HyperDex C++ LSM A fork of LevelDB intended to meet the needs of HyperDex while remaining compatible with LevelDB.
RocksDB C++ LSM RocksDB is an embeddable persistent key-value store for fast storage from Facebook. (LevelDB by Facebook)
Sophia C Sophia Sophia is an advanced transactional MVCC key-value/row storage library.
WiredTiger C B-Tree, LSM WiredTiger is a high performance, scalable, production quality, NoSQL, Open Source extensible platform for data management.
Percona/TokuFT C++ Fractal Tree PerconaFT is a high-performance, transactional key-value store.
ForestDB C++ HB+-Trie Forestdb - A Fast Key-Value Storage Engine Based on Hierarchical B+-Tree Trie.
Sparkey C Hash Simple constant key/value storage library, for read-heavy systems with infrequent large bulk inserts.
LMDB C B-Tree Lightning Memory-Mapped Database (LMDB) is a software library that provides a high-performance embedded transactional database in the form of a key-value store.
MDBX C B-Tree Modified version of LMDB (Symas Lightning Memory-Mapped Database)
NessDB C Buffered-Tree A very fast transactional key-value, embedded database storage engine.
Vedis C Hash Vedis is an embeddable datastore C library built with over 70 commands similar in concept to Redis but without the networking layer.
Rlite C Hash Self-contained, serverless, zero-configuration, transactional Redis-compatible database engine.
SkipDB C Skip List Small, portable, ACID, C implemented BDB style database based on skiplists instead of b-trees.
EJDB C B-Tree, Hash Embedded JSON Database engine C library.
UpscaleDB C B-Tree A very fast lightweight embedded database engine with built-in analytic functions.
Eblob C Eblob is an append-only low-level IO library, which saves data in blob files.
WhiteDB C Hash WhiteDB is a lightweight NoSQL database library written in C, operating fully in main memory.

Benchmarking

name description
IOArena IOArena is an utility designed for evaluating performance of embedded databases.


 Dmitry Simonenko