TiDB is an open-source distributed database developed by PingCAP. This is a very interesting project as it is can be used as a MySQL drop-in replacement: it implements MySQL protocol, and basically emulates MySQL. PingCAP defines TiDB is as a one-stop data warehouse for both OLTP (Online Transactional Processing) and OLAP (Online Analytical Processing) workloads. [&]

https://www.percona.com/blog/2019/01/24/a-quick-look-into-tidb-performance-on-a-single-server/