Purpose
The oceanbase.CDB_OB_BALANCE_TASK_HISTORY view displays the history of load balancing tasks executed in all tenants.
Note
This view is introduced since OceanBase Database V4.2.0.
Columns
| Column | Type | Nullable? | Description |
|---|---|---|---|
| TENANT_ID | bigint(20) | NO | The ID of the tenant. Valid values:
|
| TASK_ID | bigint(20) | NO | The ID of the load balancing task. |
| CREATE_TIME | timestamp(6) | NO | The start time of the task. |
| FINISH_TIME | timestamp(6) | NO | The end time of the task, which can be the time when the task was executed or canceled. |
| TASK_TYPE | varchar(64) | NO | The type of the task. Valid values:
|
| SRC_LS | bigint(20) | NO | The source log stream, which is generated at the data source. |
| DEST_LS | bigint(20) | NO | The destination log stream. |
| PART_LIST | longtext | YES | The list of partitions, including user table partitions and global index partitions. |
| FINISHED_PART_LIST | longtext | YES | The list of partitions for which load balancing has been completed. |
| PART_COUNT | bigint(20) | YES | The number of partitions in the partition list. |
| FINISHED_PART_COUNT | bigint(20) | YES | The number of partitions for which load balancing has been completed. |
| LS_GROUP_ID | bigint(20) | NO | The ID of the log stream group. |
| STATUS | varchar(64) | NO | The status of the task. Valid values:
|
| PARENT_LIST | varchar(1024) | YES | The list of parent tasks. |
| CHILD_LIST | varchar(1024) | YES | The list of subtasks. |
| CURRENT_TRANSFER_TASK_ID | bigint(20) | NO | The ID of the transfer task triggered by the current load balancing task. |
| JOB_ID | bigint(20) | NO | The ID of the job to which the current task belongs. |
| COMMENT | longtext | YES | The comments. |
