Note
This parameter is available starting with V4.0.0.
Description
tablet_meta_table_scan_batch_count specifies the number of tablets cached in memory by the tablet meta table iterator.
Privilege requirements
Query the parameter
The
systenant and all user tenants can use theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview to query this parameter.Modify the parameter
Only the
systenant can modify this parameter. User tenants cannot modify this parameter.
Attributes
| Attribute | Description |
|---|---|
| Type | Int |
| Default value | 999 |
| Value range | [1, 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 number of tablets cached in memory by the tablet meta table iterator to 999.
obclient> ALTER SYSTEM SET tablet_meta_table_scan_batch_count = 999;