Note
This parameter is available starting with V2.2.30.
Description
writing_throttling_maximum_duration specifies the time required to allocate the remaining MemStore memory after the write throttling is triggered. This parameter controls the write speed by controlling the memory allocation progress.
Privilege requirements
Query the parameter
The
systenant and all user tenants can query this parameter by using theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview.Modify the parameter
The
systenant and user tenants can modify this parameter.
Attributes
| Attribute | Description |
|---|---|
| Type | Time |
| Default value | 2h
NoteStarting from V4.0.0, the default value is changed from 1h to 2h. |
| Value range | [1s, 3d] |
| 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 time required to allocate the remaining MemStore memory after the write throttling is triggered to 2h.
obclient> ALTER SYSTEM SET writing_throttling_maximum_duration = '2h';