--- title: "oceanbase.DBA_OB_BALANCE_JOB_HISTORY - OceanBase 数据库 V4.5.0 | OceanBase 文档中心" description: oceanbase.DBA_OB_BALANCE_JOB_HISTORY 说明 该视图从 V4.2.0 版本开始引入。 功能描述 展示租户下所有执行负载均衡工作的历史。 字段说明 字段 类型 是否为 NULL 描述 JOB_ID bigint(20) NO 负载均衡工作 ID CREATE_TIME timestam… --- 切换语言 - 中文站 - 简体中文 - International - English - 日本站 - 日本語 文档反馈![](https://mdn.alipayobjects.com/huamei_22khvb/afts/img/A*P8CuR4UJ_FkAAAAAAAAAAAAADiGDAQ/original) OceanBase 数据库分布式版 - V 4.5.0 # oceanbase.DBA_OB_BALANCE_JOB_HISTORY 更新时间：2026-06-30 22:51:34 [编辑](https://github.com/oceanbase/oceanbase-doc/edit/V4.5.0/zh-CN/700.reference/700.system-views/400.system-view-of-mysql-mode/200.dictionary-view-of-mysql-mode/7700.o-dba_ob_balance_job_history-of-mysql-mode.md) #### 说明 该视图从 V4.2.0 版本开始引入。 ## 功能描述 展示租户下所有执行负载均衡工作的历史。 ## 字段说明 | **字段** | **类型** | **是否为 NULL** | **描述** | | --- | --- | --- | --- | | JOB_ID | bigint(20) | NO | 负载均衡工作 ID | | CREATE_TIME | timestamp(6) | NO | Job 创建时间 | | FINISH_TIME | timestamp(6) | NO | Job 完成时间，包括成功、取消时间 | | BALANCE_STRATEGY | varchar(64) | NO | 均衡策略名称： - `LS balance by migrate`：迁移均衡 - `LS balance by alter`：修改日志流属性均衡 - `LS balance by expand`：扩容均衡 - `LS balance by shrink`：缩容均衡 - `partition balance`：分区均衡 | | JOB_TYPE | varchar(64) | NO | 任务类型： - `LS_BALANCE`：日志流均衡 - `PARTITION_BALANCE`：分区均衡 | | TARGET_UNIT_NUM | bigint(20) | NO | 目标变更的每个 Zone 的 Unit 数量 | | TARGET_PRIMARY_ZONE_NUM | bigint(20) | NO | 目标变更的 Primary Zone 数量 | | STATUS | varchar(64) | NO | 任务状态： - `COMPLETED`：任务执行成功 - `CANCELED`：任务取消 | | COMMENT | longtext | YES | 注释信息 | | MAX_END_TIME | timestamp(6) | YES | 负载均衡任务的最大结束时间 #### 说明 对于 V4.3.x 版本，该视图从 V4.3.4 版本开始引入；对于 V4.2.x 版本，该字段从 V4.2.4 版本开始引入。 | ## 查询示例 查看本租户下所有已执行的负载均衡工作的历史。 ```shell obclient [oceanbase]> SELECT * FROM oceanbase.DBA_OB_BALANCE_JOB_HISTORY; ``` 查询结果如下： ```shell +--------+----------------------------+----------------------------+----------------------+------------+-----------------+-------------------------+-----------+---------+--------------+ | JOB_ID | CREATE_TIME | FINISH_TIME | BALANCE_STRATEGY | JOB_TYPE | TARGET_UNIT_NUM | TARGET_PRIMARY_ZONE_NUM | STATUS | COMMENT | MAX_END_TIME | +--------+----------------------------+----------------------------+----------------------+------------+-----------------+-------------------------+-----------+---------+--------------+ | 318278 | 2025-05-09 14:29:05.503090 | 2025-05-09 14:29:15.514791 | LS balance by expand | LS_BALANCE | 1 | 2 | COMPLETED | NULL | NULL | | 318453 | 2025-05-09 14:29:45.565764 | 2025-05-09 14:29:55.573005 | LS balance by shrink | LS_BALANCE | 1 | 1 | COMPLETED | NULL | NULL | | 318537 | 2025-05-09 14:30:05.606117 | 2025-05-09 14:30:15.614455 | LS balance by expand | LS_BALANCE | 1 | 2 | COMPLETED | NULL | NULL | | 330209 | 2025-05-09 15:32:39.278774 | 2025-05-09 15:32:49.285956 | LS balance by shrink | LS_BALANCE | 1 | 1 | COMPLETED | NULL | NULL | | 330256 | 2025-05-09 15:32:49.316510 | 2025-05-09 15:33:09.328181 | LS balance by expand | LS_BALANCE | 1 | 2 | COMPLETED | NULL | NULL | +--------+----------------------------+----------------------------+----------------------+------------+-----------------+-------------------------+-----------+---------+--------------+ 5 rows in set ``` ## 相关视图或文档 - 查看本租户下正在执行的日志流级别的负载均衡工作（Job）：[DBA_OB_BALANCE_JOBS](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478303) - 查看本租户下日志流级别的负载均衡任务（Task）： - [DBA_OB_BALANCE_TASKS](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478257) - [DBA_OB_BALANCE_TASK_HISTORY](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478189) - 查看本租户下 Tablet 级别的负载均衡任务（Task）： - [DBA_OB_TRANSFER_TASKS](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478334) - [DBA_OB_TRANSFER_TASK_HISTORY](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478202) - 查看本租户下的 Transfer Partition 任务（Task）： - [DBA_OB_TRANSFER_PARTITION_TASKS](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478155) - [DBA_OB_TRANSFER_PARTITION_TASK_HISTORY](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478197) - 有关数据负载均衡的相关操作，参见 [数据负载均衡](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004475605) 章节。 上一篇 下一篇 ![有帮助](https://gw.alipayobjects.com/mdn/ob_asset/afts/img/A*y6ocSqN8cqsAAAAAAAAAAAAAARQnAQ)![无帮助](https://gw.alipayobjects.com/mdn/ob_asset/afts/img/A*BG9IQJyLHF8AAAAAAAAAAAAAARQnAQ)![反馈](https://gw.alipayobjects.com/mdn/ob_asset/afts/img/A*eTWdQKCRKHwAAAAAAAAAAAAAARQnAQ)[AI](https://www.oceanbase.com/obi) 咨询热线