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oceanbase.CDB_OB_MAJOR_COMPACTION
更新时间：2026-07-13 22:33:38
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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 |
|
| IS_ERROR | varchar(3) | NO |
|
| IS_SUSPENDED | varchar(3) | NO |
|
| 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信息。
obclient [oceanbase]> SELECT * FROM oceanbase.CDB_OB_MAJOR_COMPACTION;
查询结果如下所示：
+-----------+---------------------+----------------------------+----------------------+---------------------+----------------------------+----------------------------+--------+----------+--------------+------+
| TENANT_ID | FROZEN_SCN | FROZEN_TIME | GLOBAL_BROADCAST_SCN | LAST_SCN | LAST_FINISH_TIME | START_TIME | STATUS | IS_ERROR | IS_SUSPENDED | INFO |
+-----------+---------------------+----------------------------+----------------------+---------------------+----------------------------+----------------------------+--------+----------+--------------+------+
| 1 | 1736359201793995000 | 2025-01-09 02:00:01.793995 | 1736359201793995000 | 1736359201793995000 | 2025-01-09 02:05:56.738721 | 2025-01-09 02:00:01.822737 | IDLE | NO | NO | |
| 1001 | 1736359204148730000 | 2025-01-09 02:00:04.148730 | 1736359204148730000 | 1736359204148730000 | 2025-01-09 02:02:38.682242 | 2025-01-09 02:00:04.176391 | IDLE | NO | NO | |
| 1002 | 1736359203243332000 | 2025-01-09 02:00:03.243332 | 1736359203243332000 | 1736359203243332000 | 2025-01-09 02:02:26.912138 | 2025-01-09 02:00:03.270335 | IDLE | NO | NO | |
| 1003 | 1736359202785343000 | 2025-01-09 02:00:02.785343 | 1736359202785343000 | 1736359202785343000 | 2025-01-09 02:04:06.924096 | 2025-01-09 02:00:02.807081 | IDLE | NO | NO | |
| 1004 | 1736359202149291000 | 2025-01-09 02:00:02.149291 | 1736359202149291000 | 1736359202149291000 | 2025-01-09 02:03:45.486421 | 2025-01-09 02:00:02.174093 | IDLE | NO | NO | |
| 1009 | 1736359203939785000 | 2025-01-09 02:00:03.939785 | 1736359203939785000 | 1736359203939785000 | 2025-01-09 02:02:38.476264 | 2025-01-09 02:00:03.961791 | IDLE | NO | NO | |
| 1010 | 1736359203089228000 | 2025-01-09 02:00:03.089228 | 1736359203089228000 | 1736359203089228000 | 2025-01-09 02:02:46.819113 | 2025-01-09 02:00:03.120682 | IDLE | NO | NO | |
| 1015 | 1736359202029840000 | 2025-01-09 02:00:02.029840 | 1736359202029840000 | 1736359202029840000 | 2025-01-09 02:03:26.119103 | 2025-01-09 02:00:02.054206 | IDLE | NO | NO | |
| 1016 | 1736359203243332000 | 2025-01-09 02:00:03.243332 | 1736359203243332000 | 1736359203243332000 | 2025-01-09 02:05:33.693375 | 2025-01-09 02:01:59.454704 | IDLE | NO | NO | |
+-----------+---------------------+----------------------------+----------------------+---------------------+----------------------------+----------------------------+--------+----------+--------------+------+
9 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
查看 Tablet 级的合并基础统计信息：
查看 Tablet 级的合并的详细历史信息：
合并相关的操作，参见以下文档：
