| title | summary |
|---|---|
Limitations and Quotas in TiDB Cloud |
Learn the limitations and quotas in TiDB Cloud. |
TiDB Cloud limits how many of each kind of component you can create, and the common usage limitations of TiDB. In addition, there are some organization-level quotas to limit the amount of resources created by users to prevent from creating more resources than you actually need. These tables outline limits and quotas.
Note:
If any of these limits or quotas present a problem for your organization, please contact TiDB Cloud support.
| Component | Limit |
|---|---|
| Number of data replicas | 3 |
| Number of Availability Zones for a cross-zone deployment | 3 |
Note:
If you want to learn more about common usage limitations of TiDB, please refer to TiDB Limitations.
| Component | Quota (default) |
|---|---|
| Maximum number of total TiDB nodes for all clusters in your organization | 20 |
| Maximum number of total TiKV nodes for all clusters in your organization | 30 |
| Maximum number of total TiFlash nodes for all clusters in your organization | 30 |