Note
For V4.4.0, this parameter is available starting with V4.4.0.
Description
inc_sstable_upload_thread_score specifies the number of threads that a tenant can use to execute data-sharing tasks in shared-storage mode.
Applicability
This parameter is applicable only to shared-storage (SS) mode.
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 by using theALTER SYSTEM SETstatement.
Attributes
| Attribute | Description |
|---|---|
| Type | Int |
| Default value | 0, which indicates that the default number of threads is 6 |
| Value range | [0, 100] |
| 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. |
Considerations
You can set the inc_sstable_upload_thread_score parameter to specify the number of threads that can be used to execute incremental SSTable upload tasks.
Examples
In a user tenant, set the number of threads that can be used to execute incremental SSTable upload tasks to 10.
obclient> ALTER SYSTEM SET inc_sstable_upload_thread_score= 10;
References
For information about how to configure the number of threads that can be used to handle shared data references on a compute node in shared-storage mode, see attach_shared_sstable_thread_score.