--- title: "oceanbase.CDB_OB_MAJOR_COMPACTION - OceanBase 数据库 V4.5.0 | OceanBase 文档中心" description: oceanbase.CDB_OB_MAJOR_COMPACTION 说明 该视图从 V4.0.0 版本开始引入。 功能描述 系统租户下展示所有租户的合并全局信息。 字段说明 字段名称 类型 是否可以为 NULL 描述 TENANT_ID bigint(20) NO 租户 ID FROZEN_SCN bigint(20… --- 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.CDB_OB_MAJOR_COMPACTION 更新时间：2026-04-01 16:35:40 [编辑](https://github.com/oceanbase/oceanbase-doc/edit/V4.5.0/zh-CN/700.reference/700.system-views/300.system-view-of-sys-tenant/200.dictionary-view-of-sys-tenant/10000.o-cdb_ob_major_compaction-of-sys-tenant.md) #### 说明 该视图从 V4.0.0 版本开始引入。 ## 功能描述 系统租户下展示所有租户的合并全局信息。 ## 字段说明 | 字段名称 | 类型 | 是否可以为 NULL | 描述 | | --- | --- | --- | --- | | TENANT_ID | bigint(20) | NO | 租户 ID | | FROZEN_SCN | bigint(20) unsigned | NO | 最近一次合并的版本号 | | FROZEN_TIME | timestamp(6) | NO | 最近一次合并发起的时间（将 FROZEN_SCN 以可读的形式展示） | | GLOBAL_BROADCAST_SCN | bigint(20) unsigned | NO | 全局广播的合并版本 | | LAST_SCN | bigint(20) unsigned | NO | 上一个已经完成合并的版本 | | LAST_FINISH_TIME | timestamp(6) | NO | 上一次合并结束时间 | | START_TIME | timestamp(6) | NO | 合并开始时间 | | STATUS | varchar(10) | NO | - `IDLE`：没有在合并中 - `COMPACTION`：正在合并中 - `CHECKSUM`：校验 checksum | | IS_ERROR | varchar(3) | NO | - `YES`：合并过程存在错误 - `NO`：合并过程没有报错 | | IS_SUSPENDED | varchar(3) | NO | - `YES`：暂停合并状态 - `NO`：没有暂停合并 | | INFO | varchar(14) | NO | 展示合并信息。例如：合并失败原因 | ## 查询示例 系统租户查看所有租户的合并全局信息。 ```shell obclient> SELECT * FROM oceanbase.CDB_OB_MAJOR_COMPACTION; ``` 查询结果如下： ```shell +-----------+---------------------+----------------------------+----------------------+---------------------+----------------------------+----------------------------+--------+----------+--------------+------+ | TENANT_ID | FROZEN_SCN | FROZEN_TIME | GLOBAL_BROADCAST_SCN | LAST_SCN | LAST_FINISH_TIME | START_TIME | STATUS | IS_ERROR | IS_SUSPENDED | INFO | +-----------+---------------------+----------------------------+----------------------+---------------------+----------------------------+----------------------------+--------+----------+--------------+------+ | 1 | 1748455203800778000 | 2025-05-29 02:00:03.800778 | 1748455203800778000 | 1748455203800778000 | 2025-05-29 02:08:07.209651 | 2025-05-29 02:00:03.823428 | IDLE | NO | NO | | | 1001 | 1748455201648062000 | 2025-05-29 02:00:01.648062 | 1748455201648062000 | 1748455201648062000 | 2025-05-29 02:07:54.983179 | 2025-05-29 02:00:01.671665 | IDLE | NO | NO | | | 1002 | 1748455203748142000 | 2025-05-29 02:00:03.748142 | 1748455203748142000 | 1748455203748142000 | 2025-05-29 02:05:55.876675 | 2025-05-29 02:00:03.770352 | IDLE | NO | NO | | | 1003 | 1748455203288928000 | 2025-05-29 02:00:03.288928 | 1748455203288928000 | 1748455203288928000 | 2025-05-29 02:07:56.498676 | 2025-05-29 02:00:03.314133 | IDLE | NO | NO | | | 1004 | 1748455200327759000 | 2025-05-29 02:00:00.327759 | 1748455200327759000 | 1748455200327759000 | 2025-05-29 02:06:12.483698 | 2025-05-29 02:00:00.351135 | IDLE | NO | NO | | +-----------+---------------------+----------------------------+----------------------+---------------------+----------------------------+----------------------------+--------+----------+--------------+------+ 5 rows in set ``` ## 相关视图或文档 - 查看所有租户各个 Zone 的合并信息：[CDB_OB_ZONE_MAJOR_COMPACTION](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004477617) - 查看 Tablet 级的合并基础统计信息： - [GV$OB_MERGE_INFO](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004477943) - [V$OB_MERGE_INFO](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004477776) - 查看 Tablet 级的合并的详细历史信息： - [GV$OB_TABLET_COMPACTION_HISTORY](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004477935) - [V$OB_TABLET_COMPACTION_HISTORY](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004477860) - 合并相关的操作，参见以下文档： - [自动触发合并](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478338) - [定时触发合并](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478344) - [自适应合并](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478343) - [手动触发合并](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478339) - [手动控制合并](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478340) - [查看合并信息](https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000004478341) 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