Description
You can execute the ALTER RESOURCE UNIT statement to modify a resource unit.
Syntax
ALTER RESOURCE UNIT unitname
MAX_CPU [=] cpunum,
MAX_MEMORY [=] memsize,
MAX_IOPS [=] iopsnum,
MAX_DISK_SIZE [=] disksize,
MAX_SESSION_NUM [=] sessionnum,
[MIN_CPU [=] cpunum,]
[MIN_MEMORY [=] memsize,]
[MIN_IOPS [=] iopsnum] ;
Parameters
| Parameter | Description |
|---|---|
| MAX_CPU | The maximum number of CPUs. |
| MAX_MEMORY | The maximum memory size. Valid values: [1073741824,+∞). The unit is bytes. The minimum value 1073741824 bytes is equivalent to 1 GB. |
| MAX_IOPS | The maximum IOPS. Valid values: [128,+∞). |
| MAX_DISK_SIZE | The maximum disk capacity. Valid values: [536870912,+∞). The unit is bytes. The minimum value 536870912 bytes is equivalent to 512 MB. |
| MAX_SESSION_NUM | The maximum number of sessions. Valid values: [64,+∞). |
| MIN_CPU | The minimum number of CPUs. |
| MIN_MEMORY | The minimum memory size. |
| MIN_IOPS | The minimum IOPS. |
Examples
- Modify resource unit unit1 by changing the maximum number of CPUs to two and memory size to 2 GB.
OceanBase(admin@test)> ALTER RESOURCE UNIT unit1 max_cpu 2, max_memory '2G';
Query OK, 0 rows affected (0.02 sec)
