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TiKV is a highly scalable, low latency, and easy to use key-value database that delivers <10ms performance at any scale.
TiKV is intended to fill the role of a unifying distributed storage layer. TiKV excels at working with data in the large by supporting petabyte scale deployments spanning trillions of rows.
As a graduate project of the Cloud Native Computing Foundation, TiKV is originally created by PingCAP to complement TiDB.
{{< info >}} 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. {{< /info >}}
Architecture
A TiKV cluster consists of the following components:
- A group of TiKV nodes: storing key-value pair data
- A Placement Driver (PD) node: working as the manager of the TiKV cluster
TiKV clients interact with PD and TiKV through gRPC.
{{< figure src="/img/basic-architecture.png" alt="TiKV architecture diagram" caption="The architecture of TiKV" width="70" >}}
You can read more in the Core concepts and architecture behind TiKV documentation.
What's Next
TiKV in 5 Minutes is strongly recommended if you want to try TiKV.