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查看后台的分区均衡任务历史
更新时间：2026-04-01 11:01:14
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分区均衡任务执行完成后，可以通过视图查看分区均衡任务的执行历史。
系统租户查看后台的分区均衡任务
使用
root用户登录集群的 sys 租户。连接示例如下，连接数据库时请以实际环境为准。
obclient -h10.xx.xx.xx -P2883 -uroot@sys#obdemo -p***** -A执行以下语句，查看指定租户后台的分区均衡任务历史。
查看指定租户的分区均衡任务历史。
视图
CDB_OB_BALANCE_JOB_HISTORY展示了所有租户宏观层面的均衡任务，包括扩容、缩容、迁移均衡、分区均衡等。obclient [oceanbase]> SELECT * FROM oceanbase.CDB_OB_BALANCE_JOB_HISTORY WHERE TENANT_ID = 1002 AND JOB_TYPE = 'PARTITION_BALANCE';查询结果如下：
+-----------+--------+----------------------------+----------------------------+---------------------------------+-------------------+-----------------+-------------------------+-----------+---------+--------------+--------------------+----------------------------------------------------------------------------------------------+ | TENANT_ID | JOB_ID | CREATE_TIME | FINISH_TIME | BALANCE_STRATEGY | JOB_TYPE | TARGET_UNIT_NUM | TARGET_PRIMARY_ZONE_NUM | STATUS | COMMENT | MAX_END_TIME | ZONE_UNIT_NUM_LIST | PARAMETER_LIST | +-----------+--------+----------------------------+----------------------------+---------------------------------+-------------------+-----------------+-------------------------+-----------+---------+--------------+--------------------+----------------------------------------------------------------------------------------------+ | 1002 | 312280 | 2024-06-14 11:00:49.034035 | 2024-06-14 11:01:04.528871 | partition attribution alignment | PARTITION_BALANCE | NULL | 1 | COMPLETED | NULL | NULL | zone1:1 | ls_scale_out_factor:1,enable_rebalance:true,enable_transfer:true,enable_gts_standalone:false | +-----------+--------+----------------------------+----------------------------+---------------------------------+-------------------+-----------------+-------------------------+-----------+---------+--------------+--------------------+----------------------------------------------------------------------------------------------+ 1 row in set有关视图
CDB_OB_BALANCE_JOB_HISTORY中各字段的详细说明，参见 CDB_OB_BALANCE_JOB_HISTORY。查看指定租户 LS 级别的分区均衡任务历史。
视图
CDB_OB_BALANCE_TASK_HISTORY展示了所有租户日志流级别的任务，包括 LS 分裂（LS_SPLIT）、 LS 合并（LS_MERGE）、LS Transfer（LS_TRANSFER）、修改 LS 属性（LS_ALTER）等任务。obclient [oceanbase]> SELECT * FROM oceanbase.CDB_OB_BALANCE_TASK_HISTORY WHERE TENANT_ID = 1002 AND BALANCE_STRATEGY LIKE '%partition%';查询结果如下：
+-----------+---------+----------------------------+----------------------------+-------------+--------+---------+-----------+--------------------+------------+---------------------+-------------+-----------+-------------+------------+--------------------------+--------+---------+---------------------------------+ | TENANT_ID | TASK_ID | CREATE_TIME | FINISH_TIME | TASK_TYPE | SRC_LS | DEST_LS | PART_LIST | FINISHED_PART_LIST | PART_COUNT | FINISHED_PART_COUNT | LS_GROUP_ID | STATUS | PARENT_LIST | CHILD_LIST | CURRENT_TRANSFER_TASK_ID | JOB_ID | COMMENT | BALANCE_STRATEGY | +-----------+---------+----------------------------+----------------------------+-------------+--------+---------+-----------+--------------------+------------+---------------------+-------------+-----------+-------------+------------+--------------------------+--------+---------+---------------------------------+ | 1002 | 312281 | 2024-06-14 11:00:49.036806 | 2024-06-14 11:00:50.416084 | LS_ALTER | 1002 | -1 | NULL | NULL | 0 | 0 | 1001 | COMPLETED | NULL | 312282 | -1 | 312280 | NULL | partition attribution alignment | | 1002 | 312282 | 2024-06-14 11:00:49.038509 | 2024-06-14 11:00:54.460059 | LS_TRANSFER | 1002 | 1001 | NULL | 500129:500129 | 0 | 1 | 1001 | COMPLETED | NULL | 312283 | -1 | 312280 | NULL | partition attribution alignment | | 1002 | 312283 | 2024-06-14 11:00:49.038509 | 2024-06-14 11:00:56.470614 | LS_ALTER | 1002 | -1 | NULL | NULL | 0 | 0 | 0 | COMPLETED | NULL | NULL | -1 | 312280 | NULL | partition attribution alignment | +-----------+---------+----------------------------+----------------------------+-------------+--------+---------+-----------+--------------------+------------+---------------------+-------------+-----------+-------------+------------+--------------------------+--------+---------+---------------------------------+ 3 rows in set有关视图
CDB_OB_BALANCE_TASK_HISTORY中各字段的详细说明，参见 CDB_OB_BALANCE_TASK_HISTORY。查看指定租户 Tablet 级别的分区均衡任务历史。
视图
CDB_OB_TRANSFER_TASK_HISTORY展示了所有租户 Tablet 级别的任务，即展示具体对租户的哪些分区和 Tablet 进行 Transfer 操作。obclient [oceanbase]> SELECT * FROM oceanbase.CDB_OB_TRANSFER_TASK_HISTORY WHERE TENANT_ID = 1002;查询结果如下：
+-----------+---------+----------------------------+----------------------------+--------+---------+---------------+------------+---------------------+-------------------------+------------------------+--------------------------------------------------------------------------------------------------+--------------+---------------------+---------------------+-----------+-----------------------------------+--------+-----------------+---------------------+---------+ | TENANT_ID | TASK_ID | CREATE_TIME | FINISH_TIME | SRC_LS | DEST_LS | PART_LIST | PART_COUNT | NOT_EXIST_PART_LIST | LOCK_CONFLICT_PART_LIST | TABLE_LOCK_TABLET_LIST | TABLET_LIST | TABLET_COUNT | START_SCN | FINISH_SCN | STATUS | TRACE_ID | RESULT | BALANCE_TASK_ID | TABLE_LOCK_OWNER_ID | COMMENT | +-----------+---------+----------------------------+----------------------------+--------+---------+---------------+------------+---------------------+-------------------------+------------------------+--------------------------------------------------------------------------------------------------+--------------+---------------------+---------------------+-----------+-----------------------------------+--------+-----------------+---------------------+---------+ | 1002 | 1 | 2024-06-14 11:00:52.439818 | 2024-06-14 11:00:53.780044 | 1002 | 1001 | 500129:500129 | 1 | NULL | NULL | NULL | 200070:0,1152921504606847005:0,1152921504606847006:0,1152921504606847007:0,1152921504606847008:0 | 5 | 1718334052840440001 | 1718334053449914002 | COMPLETED | YB42AC1E87DC-00061AC2E771139C-0-0 | 0 | 312282 | 312299 | | +-----------+---------+----------------------------+----------------------------+--------+---------+---------------+------------+---------------------+-------------------------+------------------------+--------------------------------------------------------------------------------------------------+--------------+---------------------+---------------------+-----------+-----------------------------------+--------+-----------------+---------------------+---------+ 1 row in set有关视图
CDB_OB_TRANSFER_TASK_HISTORY中各字段的详细说明，参见 CDB_OB_TRANSFER_TASK_HISTORY。
用户租户查看后台的分区均衡任务
用户租户的租户管理员登录集群的 MySQL 租户或 Oracle 租户。
连接示例如下，连接数据库时请以实际环境为准。
obclient -h10.xx.xx.xx -P2883 -uroot@mysql_tenant#obdemo -p***** -A执行以下语句，查看本租户后台的分区均衡任务历史。
MySQL 模式Oracle 模式查看本租户的分区均衡任务历史。
视图
DBA_OB_BALANCE_JOB_HISTORY展示了当前租户宏观层面的均衡任务，包括扩容、缩容、迁移均衡、分区均衡等任务。obclient [oceanbase]> SELECT * FROM oceanbase.DBA_OB_BALANCE_JOB_HISTORY WHERE JOB_TYPE = 'PARTITION_BALANCE';查询结果如下：
+--------+----------------------------+----------------------------+---------------------------------+-------------------+-----------------+-------------------------+-----------+---------+--------------+--------------------+----------------------------------------------------------------------------------------------+ | JOB_ID | CREATE_TIME | FINISH_TIME | BALANCE_STRATEGY | JOB_TYPE | TARGET_UNIT_NUM | TARGET_PRIMARY_ZONE_NUM | STATUS | COMMENT | MAX_END_TIME | ZONE_UNIT_NUM_LIST | PARAMETER_LIST | +--------+----------------------------+----------------------------+---------------------------------+-------------------+-----------------+-------------------------+-----------+---------+--------------+--------------------+----------------------------------------------------------------------------------------------+ | 312280 | 2024-06-14 11:00:49.034035 | 2024-06-14 11:01:04.528871 | partition attribution alignment | PARTITION_BALANCE | NULL | 1 | COMPLETED | NULL | NULL | zone1:1 | ls_scale_out_factor:1,enable_rebalance:true,enable_transfer:true,enable_gts_standalone:false | +--------+----------------------------+----------------------------+---------------------------------+-------------------+-----------------+-------------------------+-----------+---------+--------------+--------------------+----------------------------------------------------------------------------------------------+ 1 row in set有关视图
DBA_OB_BALANCE_JOB_HISTORY中各字段的详细说明，参见 DBA_OB_BALANCE_JOB_HISTORY。查看本租户 LS 级别的分区均衡任务历史。
视图
DBA_OB_BALANCE_TASK_HISTORY展示了本租户日志流级别的任务，包括 LS 分裂（LS_SPLIT）、 LS 合并（LS_MERGE）、LS Transfer（LS_TRANSFER）、修改 LS 属性（LS_ALTER）等任务。obclient [oceanbase]> SELECT * FROM oceanbase.DBA_OB_BALANCE_TASK_HISTORY WHERE BALANCE_STRATEGY LIKE '%partition%';查询结果如下：
+---------+----------------------------+----------------------------+-------------+--------+---------+-----------+--------------------+------------+---------------------+-------------+-----------+-------------+------------+--------------------------+--------+---------+---------------------------------+ | TASK_ID | CREATE_TIME | FINISH_TIME | TASK_TYPE | SRC_LS | DEST_LS | PART_LIST | FINISHED_PART_LIST | PART_COUNT | FINISHED_PART_COUNT | LS_GROUP_ID | STATUS | PARENT_LIST | CHILD_LIST | CURRENT_TRANSFER_TASK_ID | JOB_ID | COMMENT | BALANCE_STRATEGY | +---------+----------------------------+----------------------------+-------------+--------+---------+-----------+--------------------+------------+---------------------+-------------+-----------+-------------+------------+--------------------------+--------+---------+---------------------------------+ | 312281 | 2024-06-14 11:00:49.036806 | 2024-06-14 11:00:50.416084 | LS_ALTER | 1002 | -1 | NULL | NULL | 0 | 0 | 1001 | COMPLETED | NULL | 312282 | -1 | 312280 | NULL | partition attribution alignment | | 312282 | 2024-06-14 11:00:49.038509 | 2024-06-14 11:00:54.460059 | LS_TRANSFER | 1002 | 1001 | NULL | 500129:500129 | 0 | 1 | 1001 | COMPLETED | NULL | 312283 | -1 | 312280 | NULL | partition attribution alignment | | 312283 | 2024-06-14 11:00:49.038509 | 2024-06-14 11:00:56.470614 | LS_ALTER | 1002 | -1 | NULL | NULL | 0 | 0 | 0 | COMPLETED | NULL | NULL | -1 | 312280 | NULL | partition attribution alignment | +---------+----------------------------+----------------------------+-------------+--------+---------+-----------+--------------------+------------+---------------------+-------------+-----------+-------------+------------+--------------------------+--------+---------+---------------------------------+ 3 rows in set有关视图
DBA_OB_BALANCE_TASK_HISTORY中各字段的详细说明，参见 DBA_OB_BALANCE_TASK_HISTORY。查看本租户 Tablet 级别的分区均衡任务历史。
视图
DBA_OB_TRANSFER_TASK_HISTORY展示了当前租户 Tablet 级别的任务，即展示具体对租户的哪些分区和 Tablet 进行 Transfer 操作。obclient [oceanbase]> SELECT * FROM oceanbase.DBA_OB_TRANSFER_TASK_HISTORY;查询结果如下：
+---------+----------------------------+----------------------------+--------+---------+---------------+------------+---------------------+-------------------------+------------------------+--------------------------------------------------------------------------------------------------+--------------+---------------------+---------------------+-----------+-----------------------------------+--------+-----------------+---------------------+---------+ | TASK_ID | CREATE_TIME | FINISH_TIME | SRC_LS | DEST_LS | PART_LIST | PART_COUNT | NOT_EXIST_PART_LIST | LOCK_CONFLICT_PART_LIST | TABLE_LOCK_TABLET_LIST | TABLET_LIST | TABLET_COUNT | START_SCN | FINISH_SCN | STATUS | TRACE_ID | RESULT | BALANCE_TASK_ID | TABLE_LOCK_OWNER_ID | COMMENT | +---------+----------------------------+----------------------------+--------+---------+---------------+------------+---------------------+-------------------------+------------------------+--------------------------------------------------------------------------------------------------+--------------+---------------------+---------------------+-----------+-----------------------------------+--------+-----------------+---------------------+---------+ | 1 | 2024-06-14 11:00:52.439818 | 2024-06-14 11:00:53.780044 | 1002 | 1001 | 500129:500129 | 1 | NULL | NULL | NULL | 200070:0,1152921504606847005:0,1152921504606847006:0,1152921504606847007:0,1152921504606847008:0 | 5 | 1718334052840440001 | 1718334053449914002 | COMPLETED | YB42AC1E87DC-00061AC2E771139C-0-0 | 0 | 312282 | 312299 | | +---------+----------------------------+----------------------------+--------+---------+---------------+------------+---------------------+-------------------------+------------------------+--------------------------------------------------------------------------------------------------+--------------+---------------------+---------------------+-----------+-----------------------------------+--------+-----------------+---------------------+---------+ 1 row in set有关视图
DBA_OB_TRANSFER_TASK_HISTORY中各字段的详细说明，参见 DBA_OB_TRANSFER_TASK_HISTORY。
查看本租户的分区均衡任务历史。
视图
DBA_OB_BALANCE_JOB_HISTORY展示了当前租户宏观层面的均衡任务，包括扩容、缩容、迁移均衡、分区均衡等任务。obclient [SYS]> SELECT * FROM SYS.DBA_OB_BALANCE_JOB_HISTORY WHERE JOB_TYPE = 'PARTITION_BALANCE';查询结果如下：
+--------+------------------------------+------------------------------+---------------------------------+-------------------+-----------------+-------------------------+-----------+---------+--------------+--------------------+----------------------------------------------------------------------------------------------+ | JOB_ID | CREATE_TIME | FINISH_TIME | BALANCE_STRATEGY | JOB_TYPE | TARGET_UNIT_NUM | TARGET_PRIMARY_ZONE_NUM | STATUS | COMMENT | MAX_END_TIME | ZONE_UNIT_NUM_LIST | PARAMETER_LIST | +--------+------------------------------+------------------------------+---------------------------------+-------------------+-----------------+-------------------------+-----------+---------+--------------+--------------------+----------------------------------------------------------------------------------------------+ | 346408 | 14-JUN-24 01.59.59.014732 PM | 14-JUN-24 02.00.09.055400 PM | partition attribution alignment | PARTITION_BALANCE | NULL | 1 | COMPLETED | NULL | NULL | zone1:1 | ls_scale_out_factor:1,enable_rebalance:true,enable_transfer:true,enable_gts_standalone:false | +--------+------------------------------+------------------------------+---------------------------------+-------------------+-----------------+-------------------------+-----------+---------+--------------+--------------------+----------------------------------------------------------------------------------------------+ 1 row in set有关视图
DBA_OB_BALANCE_JOB_HISTORY中各字段的详细说明，参见 DBA_OB_BALANCE_JOB_HISTORY。查看本租户 LS 级别的分区均衡任务历史。
视图
DBA_OB_BALANCE_TASK_HISTORY展示了本租户日志流级别的任务，包括 LS 分裂（LS_SPLIT）、 LS 合并（LS_MERGE）、LS Transfer（LS_TRANSFER）、修改 LS 属性（LS_ALTER）等任务。obclient [sys]> SELECT * FROM SYS.DBA_OB_BALANCE_TASK_HISTORY WHERE BALANCE_STRATEGY LIKE '%partition%';查询结果如下：
+---------+------------------------------+------------------------------+-------------+--------+---------+-----------+--------------------+------------+---------------------+-------------+-----------+-------------+------------+--------------------------+--------+---------+---------------------------------+ | TASK_ID | CREATE_TIME | FINISH_TIME | TASK_TYPE | SRC_LS | DEST_LS | PART_LIST | FINISHED_PART_LIST | PART_COUNT | FINISHED_PART_COUNT | LS_GROUP_ID | STATUS | PARENT_LIST | CHILD_LIST | CURRENT_TRANSFER_TASK_ID | JOB_ID | COMMENT | BALANCE_STRATEGY | +---------+------------------------------+------------------------------+-------------+--------+---------+-----------+--------------------+------------+---------------------+-------------+-----------+-------------+------------+--------------------------+--------+---------+---------------------------------+ | 346409 | 14-JUN-24 01.59.59.016760 PM | 14-JUN-24 02.00.00.652394 PM | LS_ALTER | 1002 | -1 | NULL | NULL | 0 | 0 | 1001 | COMPLETED | NULL | 346410 | -1 | 346408 | NULL | partition attribution alignment | | 346410 | 14-JUN-24 01.59.59.017468 PM | 14-JUN-24 02.00.04.959125 PM | LS_TRANSFER | 1002 | 1001 | NULL | 500021:500021 | 0 | 1 | 1001 | COMPLETED | NULL | 346411 | -1 | 346408 | NULL | partition attribution alignment | | 346411 | 14-JUN-24 01.59.59.017468 PM | 14-JUN-24 02.00.06.970879 PM | LS_ALTER | 1002 | -1 | NULL | NULL | 0 | 0 | 0 | COMPLETED | NULL | NULL | -1 | 346408 | NULL | partition attribution alignment | +---------+------------------------------+------------------------------+-------------+--------+---------+-----------+--------------------+------------+---------------------+-------------+-----------+-------------+------------+--------------------------+--------+---------+---------------------------------+ 3 rows in set有关视图
DBA_OB_BALANCE_TASK_HISTORY中各字段的详细说明，参见 DBA_OB_BALANCE_TASK_HISTORY。查看本租户 Tablet 级别的分区均衡任务历史。
视图
DBA_OB_TRANSFER_TASK_HISTORY展示了当前租户 Tablet 级别的任务，即展示具体对租户的哪些分区和 Tablet 进行 Transfer 操作。obclient [SYS]> SELECT * FROM SYS.DBA_OB_TRANSFER_TASK_HISTORY;查询结果如下：
+---------+------------------------------+------------------------------+--------+---------+---------------+------------+---------------------+-------------------------+------------------------+------------------------------------------------------+--------------+---------------------+---------------------+-----------+-----------------------------------+--------+-----------------+---------------------+---------+ | TASK_ID | CREATE_TIME | FINISH_TIME | SRC_LS | DEST_LS | PART_LIST | PART_COUNT | NOT_EXIST_PART_LIST | LOCK_CONFLICT_PART_LIST | TABLE_LOCK_TABLET_LIST | TABLET_LIST | TABLET_COUNT | START_SCN | FINISH_SCN | STATUS | TRACE_ID | RESULT | BALANCE_TASK_ID | TABLE_LOCK_OWNER_ID | COMMENT | +---------+------------------------------+------------------------------+--------+---------+---------------+------------+---------------------+-------------------------+------------------------+------------------------------------------------------+--------------+---------------------+---------------------+-----------+-----------------------------------+--------+-----------------+---------------------+---------+ | 1 | 14-JUN-24 02.00.02.675095 PM | 14-JUN-24 02.00.04.443093 PM | 1002 | 1001 | 500021:500021 | 1 | NULL | NULL | NULL | 200007:0,1152921504606846987:0,1152921504606846988:0 | 3 | 1718344803084664002 | 1718344803870702005 | COMPLETED | YB42AC1E87DC-00061AC2EE113D0F-0-0 | 0 | 346410 | 346428 | NULL | +---------+------------------------------+------------------------------+--------+---------+---------------+------------+---------------------+-------------------------+------------------------+------------------------------------------------------+--------------+---------------------+---------------------+-----------+-----------------------------------+--------+-----------------+---------------------+---------+ 1 row in set有关视图
DBA_OB_TRANSFER_TASK_HISTORY中各字段的详细说明，参见 DBA_OB_TRANSFER_TASK_HISTORY。
