TiDB Dedicated Limitations and Quotas
TiDB Cloud limits how many of each kind of component you can create in a TiDB Dedicated cluster, 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.
|Number of data replicas||3|
|Number of Availability Zones for a cross-zone deployment||3|
|Maximum number of total TiDB nodes for all clusters in your organization||10|
|Maximum number of total TiKV nodes for all clusters in your organization||15|
|Maximum number of total TiFlash nodes for all clusters in your organization||5|