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.

Note

If any of these limits or quotas present a problem for your organization, please contact TiDB Cloud Support.

Cluster Limits

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.

Cluster Quotas

Component	Quota (default)
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

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