Note
- This view is available starting with V4.3.3 in V4.3.x.
- This view is available starting with V4.2.3 in V4.2.x.
Purpose
The CDB_OB_LS_REPLICA_TASK_HISTORY view displays the execution history of disaster recovery tasks.
Columns
Column |
Type |
Nullable? |
Description |
|---|---|---|---|
| TENANT_ID | |bigint(20) | NO | The tenant ID. |
| LS_ID | bigint(20) | NO | The log stream ID. |
| TASK_TYPE | varchar(64) | NO | The task type. Valid values:
|
| TASK_ID | varchar(200) | NO | The task ID. |
| TASK_STATUS | varchar(2048) | YES | The task status. Valid values:
|
| PRIORITY | varchar(5) | NO | The task priority. Valid values:
|
| TARGET_REPLICA_SVR_IP | varchar(46) | YES | The IP address of the server where the target replica resides. |
| TARGET_REPLICA_SVR_PORT | bigint(20) | YES | The port number of the server where the target replica resides. |
| TARGET_PAXOS_REPLICA_NUMBER | bigint(20) | YES | The number of required Paxos member replicas in the log stream. |
| TARGET_REPLICA_TYPE | varchar(16) | YES | The type of the target replica. |
| SOURCE_REPLICA_SVR_IP | varchar(46) | YES | The IP address of the server where the source replica resides. |
| SOURCE_REPLICA_SVR_PORT | bigint(20) | YES | The port number of the server where the source replica resides. |
| SOURCE_PAXOS_REPLICA_NUMBER | bigint(20) | YES | The number of required Paxos member replicas in the log stream. |
| SOURCE_REPLICA_TYPE | varchar(16) | YES | The type of the source replica. |
| DATA_SOURCE_SVR_IP | varchar(46) | YES | The IP address of the data source. |
| DATA_SOURCE_SVR_PORT | bigint(20) | YES | The port number of the data source. |
| IS_MANUAL | varchar(6) | NO | The source of the disaster recovery task. Valid values:
|
| TASK_EXEC_SVR_IP | varchar(46) | YES | The IP address of the server where the task is executed. |
| TASK_EXEC_SVR_PORT | bigint(20) | YES | The port number of the server where the task is executed. |
| CREATE_TIME | datetime | NO | The time when the task is generated. |
| START_TIME | datetime | NO | The time when the task is scheduled. |
| MODIFY_TIME | datetime | NO | The time when the task status is updated. |
| FINISH_TIME | datetime | NO | The time when the task is completed. |
| EXECUTE_RESULT | varchar(2048) | YES | The execution result of the task. |
| COMMENT | varchar(2048) | YES | The remarks about the reason for generating the task. |
Sample query
Query the execution history of disaster recovery tasks.
obclient [oceanbase]> SELECT * FROM oceanbase.CDB_OB_LS_REPLICA_TASK_HISTORY limit 2;
The query result is as follows:
+-----------+-------+----------------------+------------------------------------+-------------+----------+-----------------------+-------------------------+-----------------------------+---------------------+-----------------------+-------------------------+-----------------------------+---------------------+--------------------+----------------------+-----------+------------------+--------------------+---------------------+---------------------+---------------------+---------------------+------------------------------------+----------------------------------+
| TENANT_ID | LS_ID | TASK_TYPE | TASK_ID | TASK_STATUS | PRIORITY | TARGET_REPLICA_SVR_IP | TARGET_REPLICA_SVR_PORT | TARGET_PAXOS_REPLICA_NUMBER | TARGET_REPLICA_TYPE | SOURCE_REPLICA_SVR_IP | SOURCE_REPLICA_SVR_PORT | SOURCE_PAXOS_REPLICA_NUMBER | SOURCE_REPLICA_TYPE | DATA_SOURCE_SVR_IP | DATA_SOURCE_SVR_PORT | IS_MANUAL | TASK_EXEC_SVR_IP | TASK_EXEC_SVR_PORT | CREATE_TIME | START_TIME | MODIFY_TIME | FINISH_TIME | EXECUTE_RESULT | COMMENT |
+-----------+-------+----------------------+------------------------------------+-------------+----------+-----------------------+-------------------------+-----------------------------+---------------------+-----------------------+-------------------------+-----------------------------+---------------------+--------------------+----------------------+-----------+------------------+--------------------+---------------------+---------------------+---------------------+---------------------+------------------------------------+----------------------------------+
| 1 | 1 | REMOVE PAXOS REPLICA | Y13CE64586BD4-000614A074B90E52-0-0 | COMPLETED | HIGH | xx.xx.xx.xx | 5072 | 5 | FULL | NULL | 0 | 5 | NULL | NULL | NULL | FALSE | xx.xx.xx.xx | 5070 | 2024-03-27 16:57:55 | 2024-03-27 16:57:55 | 2024-03-27 16:57:55 | 2024-03-27 16:57:55 | ret:0, OB_SUCCESS; elapsed:87128; | remove permanent offline replica |
| 1002 | 1002 | ADD REPLICA | Y13CE64586BD4-000614A080F90C5D-0-0 | COMPLETED | HIGH | xx.xx.xx.xx | 5078 | 5 | FULL | xx.xx.xx.xx | 5070 | 4 | FULL | 0.0.0.0 | 0 | TRUE | xx.xx.xx.xx | 5078 | 2024-03-27 16:55:47 | 2024-03-27 16:55:46 | 2024-03-27 16:55:47 | 2024-03-27 16:55:46 | ret:0, OB_SUCCESS; elapsed:697425; | add replica by manual |
+-----------+-------+----------------------+------------------------------------+-------------+----------+-----------------------+-------------------------+-----------------------------+---------------------+-----------------------+-------------------------+-----------------------------+---------------------+--------------------+----------------------+-----------+------------------+--------------------+---------------------+---------------------+---------------------+---------------------+------------------------------------+----------------------------------+
2 rows in set (0.05 sec)