Note
This view is available starting with V4.2.0.
Overview
The DBA_OB_BALANCE_JOB_HISTORY view displays the history of all load balancing jobs executed under the current tenant. The query result is empty for the sys tenant.
Columns
Column |
Type |
Is NULL |
Description |
|---|---|---|---|
| JOB_ID | bigint(20) | NO | CLB Work ID |
| CREATE_TIME | timestamp(6) | NO | Job Creation Time |
| FINISH_TIME | timestamp(6) | NO | Job completion time, including success and cancellation times |
| BALANCE_STRATEGY | varchar(64) | NO | Balancing Strategy Name
|
| JOB_TYPE | varchar(64) | NO | Task type. Valid values:
|
| TARGET_UNIT_NUM | bigint(20) | NO | Number of Units in Each Zone Where Target Changes
NoteFor version V4.2.5, the value of this field has been changed to always be |
| TARGET_PRIMARY_ZONE_NUM | bigint(20) | NO | Number of Changed Primary Zones |
| STATUS | varchar(64) | NO | Task status. Valid values:
|
| COMMENT | longtext | YES | Comments |
| MAX_END_TIME | timestamp(6) | YES | Maximum End Time of Load Balancing Task
NoteFor V4.2.x, this field is available starting from V4.2.4. For V4.3.x, this view is available starting from V4.3.4. |
| ZONE_UNIT_NUM_LIST | varchar(4096) | NO | Number of Units in Each Zone of Tenant
NoteThis field is available starting from V4.2.5 BP5 for version V4.2.5. |
| PARAMETER_LIST | longtext | NO | Load balancing related parameters
NoteFor V4.2.5, this field is available starting from V4.2.5 BP5. |
References
View the load balancing jobs at the log stream level for all tenants:
View all tenant log stream-level load balancing tasks:
View load balancing tasks at the tablet level for all tenants:
View all tenant transfer partition tasks:
For more information about data load balancing, see Data load balancing.