oceanbase.DBA_OB_LS_REPLICA_TASK_HISTORY

2026-02-05 05:53:37  Updated

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 DBA_OB_LS_REPLICA_TASK_HISTORY view displays the execution history of disaster recovery tasks.

Columns

Column Type Nullable? Description
LS_ID bigint(20) NO The ID of the log stream.
TASK_TYPE varchar(64) NO The type of the task. Valid values:
  • MIGRATE REPLICA: migrate a replica
  • ADD REPLICA: add a replica
  • TYPE TRANSFORM: convert the type of a replica
  • REMOVE PAXOS REPLICA: remove a Paxos member replica
  • REMOVE NON PAXOS REPLICA: remove a non-Paxos member replica
  • MODIFY PAXOS REPLICA NUMBER: modify the number of required Paxos member replicas
TASK_ID varchar(200) NO The ID of the task.
TASK_STATUS varchar(2048) YES The status of the task. Valid values:
  • INPROGRESS: the task is being scheduled
  • COMPLETED: the task is completed
  • CANCELED: the task is canceled
PRIORITY varchar(5) NO The priority of the task. Valid values:
  • LOW: low priority
  • HIGH: high priority
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 for 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 for 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:
  • TRUE: the task is triggered by a manual operation command.
  • FALSE: the task is automatically generated by the RS layer.
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 status of the task 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 and display the first two records.

obclient [oceanbase]> SELECT * FROM oceanbase.DBA_OB_LS_REPLICA_TASK_HISTORY  limit 2;

The query result is as follows:

+-------+----------------------+------------------------------------+-------------+----------+-----------------------+-------------------------+-----------------------------+---------------------+-----------------------+-------------------------+-----------------------------+---------------------+--------------------+----------------------+-----------+------------------+--------------------+---------------------+---------------------+---------------------+---------------------+-----------------------------------+----------------------------------+
| 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 | 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 |
+-------+----------------------+------------------------------------+-------------+----------+-----------------------+-------------------------+-----------------------------+---------------------+-----------------------+-------------------------+-----------------------------+---------------------+--------------------+----------------------+-----------+------------------+--------------------+---------------------+---------------------+---------------------+---------------------+-----------------------------------+----------------------------------+
1 row in set (0.05 sec)

References

CDB_OB_LS_REPLICA_TASK_HISTORY

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