TiKV is an open-source, distributed, and transactional key-value database designed to provide high performance, scalability, and consistency.
Built in Rust and inspired by technologies like Google’s BigTable, Spanner, and Percolator, TiKV was developed by PingCAP as a storage layer for TiDB, a MySQL-compatible HTAP database.
It is fully ACID-compliant and supports both classical key-value APIs and transactional APIs.
TiKV’s architecture is built around several key components:
TiKV achieves high scalability through its multi-Raft architecture, where each Region can be split or merged dynamically based on size thresholds.
This ensures efficient resource utilization and balanced workloads across nodes. By storing Raft logs and Region data in separate RocksDB instances, TiKV optimizes I/O performance.
TiKV is ideal for applications requiring:
As a graduated project of the Cloud Native Computing Foundation (CNCF), TiKV is widely adopted in production environments for its reliability and robust feature set.
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