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TiDB has four main components: 1. SQL front end nodes 2. Distributed shared nothing storage (TiKV) 3. Meta data server (PS) 4. TiFlash column store 1 and 3 ar
by std_reply 2y ago
TiDB has four main components:
1. SQL front end nodes
2. Distributed shared nothing storage (TiKV)
3. Meta data server (PS)
4. TiFlash column store
1 and 3 are written in Go
2 is written in Rust and uses RocksDB
4 is written in C++
2 & 3 are graduated CNCF projects maintained by PingCAP.
Disclaimer: I work for PingCAP