TiKV is a distributed transactional key-value database originally created by PingCAP to complement TiDB.
The Ti in TiKV stands for titanium. Titanium has the highest strength-to-density ratio of any metallic element and is named after the Titans of Greek mythology.
TiKV is written in Rust and powered by the Raft consensus algorithm.
TiKV was originally inspired by Google Spanner and HBase.
The basic architecture of TiKV is described in the diagram below:
You can read more in the Concepts and architecture documentation.