Tarantool
Tarantool is an integration of a Lua application server and a database management system. The DBMS was originally developed as an in-memory NoSQL DBMS, and later it was extended with a disk storage engine option. Tarantool's in-memory engine is lock-free. It uses cooperative multitasking to handle thousands of connections simultaneously. There is a fixed number of independent execution threads and they do not share state. The disk-based storage engine exploits the advantage of single-threaded requests too and hence avoid unnecessary locks. Tarantool's supports master-master replication architecture.
History
Tarantool’s creator and biggest user is Mail.Ru, the largest internet company in Russia. Although Mail.Ru is the sponsor for product development, the development is open-sourced, incorporating patches from dozens of community contributors. Most of its components are written from scratch, and the DBMS is still under improvement.
Website
Source Code
https://github.com/tarantool/tarantool
Tech Docs
https://tarantool.io/en/doc/1.10/
Developer
Tarantool
Country of Origin
Start Year
2005