This topic lists the specifications of OCP built-in units. Tenants occupy OceanBase cluster resources through units. The specification and number of units determine the resources available to a tenant. You can customize the unit specifications or use built-in specifications described in this topic. Built-in unit specifications cannot be modified.
The following table describes the built-in units in OCP.
Notice
For OceanBase V2.0 and later, the minimum supported unit is S1.
| Type name | Minimum number of CPUs | Maximum number of CPUs | Minimum memory | Maximum memory |
|---|---|---|---|---|
| B | 0.25 | 0.25 | 1G | 1G |
| LogOnlyNormal | 1 | 1 | 2G | 2G |
| LogOnlySystem | 5 | 5 | 35G | 35G |
| S0 | 0.5 | 0.5 | 2G | 2G |
| S1 | 1.5 | 1.5 | 6G | 6G |
| S2 | 3 | 3 | 12G | 12G |
| S3 | 6 | 6 | 20G | 20G |
| S4 | 12 | 12 | 40G | 40G |