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

README.md

Embeddable data storage engines

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

If you would like to share a material or make a correction, please use GitHub or contact me by Email.

name language license storage description
Berkeley DB C AGPLv3 or Proprietary 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++ GPLv2.1 / GPLv3 w/ compatibility exceptions B-Tree, Hash Tokyo Cabinet and Kyoto Cabinet are two libraries of routines for managing key-value databases.
SQLite C Public Domain B-Tree, LSM SQLite is a relational database management system contained in a C programming library.
UnQLite C 2-Clause BSD (Simplified) Hash UnQLite is a in-process software library which implements a self-contained, serverless, zero-configuration, transactional NoSQL database engine.
LevelDB C++ 3-Clause BSD (New/Revised) LSM LevelDB is an open source on-disk key-value store written by Google.
LevelDB by Basho C++ 3-Clause BSD (New/Revised) LSM A fork of LevelDB modified to benefit the Riak environment.
LevelDB by HyperDex C++ 3-Clause BSD (New/Revised) LSM A fork of LevelDB intended to meet the needs of HyperDex while remaining compatible with LevelDB.
RocksDB C++ Apache v2 or GPLv2 LSM RocksDB is an embeddable persistent key-value store for fast storage from Facebook. (LevelDB by Facebook)
Sophia C 2-Clause BSD (Simplified) Sophia Sophia is an advanced transactional MVCC key-value/row storage library.
WiredTiger C GPLv2 or GPLv3 B-Tree, LSM WiredTiger is a high performance, scalable, production quality, NoSQL, Open Source extensible platform for data management.
Percona/TokuFT C++ GPLv2 or AGPLv3 Fractal Tree PerconaFT is a high-performance, transactional key-value store.
ForestDB C++ Apache v2 HB+-Trie Forestdb - A Fast Key-Value Storage Engine Based on Hierarchical B+-Tree Trie.
Sparkey C Apache v2 Hash Simple constant key/value storage library, for read-heavy systems with infrequent large bulk inserts.
MDBM C 3-Clause BSD (New/Revised) Hash MDBM is a fast memory-mapped DBM clone by Yahoo.
LMDB C OpenLDAPv2.8 (BSD-style) 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 OpenLDAPv2.8 (BSD-style) B-Tree Modified version of LMDB (Symas Lightning Memory-Mapped Database)
NessDB C "BSD" Buffered-Tree A very fast transactional key-value, embedded database storage engine.
Vedis C Sleepycat (GPL-style) or Proprietary 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 2-Clause BSD (Simplified) Hash Self-contained, serverless, zero-configuration, transactional Redis-compatible database engine.
SkipDB C 3-Clause BSD (New/Revised) Skip List Small, portable, ACID, C implemented BDB style database based on skiplists instead of b-trees.
EJDB C LGPLv2.1 B-Tree, Hash Embedded JSON Database engine C library.
UpscaleDB C Apache v2.0 B-Tree A very fast lightweight embedded database engine with built-in analytic functions.
Eblob C LGPLv3 Eblob is an append-only low-level IO library, which saves data in blob files.
WhiteDB C GPLv3 or Proprietary or Royalty Free w/ Conditions Hash WhiteDB is a lightweight NoSQL database library written in C, operating fully in main memory.
Beringei C++ 3-Clause BSD (New/Revised) TimeSeries Beringei is a high performance, in-memory storage engine for time series data.
IOWOW C MIT Skip List The C11 persistent key/value storage engine library based on skip list data structure.

Benchmarking

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