Note
- For V4.3.x, this parameter is available starting with V4.3.1.
- For V4.2.x, this parameter is available starting with V4.2.1 BP3.
Description
max_partition_num specifies the maximum number of partitions allowed for a single table in MySQL-compatible mode.
Applicability
This parameter is applicable only to OceanBase Database in MySQL-compatible mode.
Privilege requirements
Query the parameter
The
systenant and all user tenants can query the value of this parameter by executing theSHOW PARAMETERSstatement or querying theGV$OB_PARAMETERSview.Modify the parameter
Only the
systenant can modify this parameter. User tenants cannot modify this parameter.
Attributes
Attribute |
Description |
|---|---|
| Type | INT |
| Default value | 8192 |
| Value range | [8192, 65536] |
| Modifiable | Yes. You can use the ALTER SYSTEM SET statement to modify the parameter. |
| Effective upon OBServer node restart | No. The setting takes effect immediately. |
Examples
Set the maximum number of partitions allowed for a single table in MySQL-compatible mode to 8192.
obclient> ALTER SYSTEM SET max_partition_num=8192;