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GV$OB_MERGE_INFO
更新时间：2025-04-17 10:27:06
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说明
视图 GV$MERGE_INFO 从 V4.0.0 版本开始更名为 GV$OB_MERGE_INFO，V4.0.0 及之后版本需要使用新视图名 GV$OB_MERGE_INFO 来查询，使用原视图名 GV$MERGE_INFO 查询将会报错。
功能描述
展示 OceanBase 集群已经完成的 compaction 相关的统计信息。
字段说明
| 字段名称 | 类型 | 是否可以为 NULL | 描述 |
|---|---|---|---|
| SVR_IP | varchar(46) | NO | 服务器 IP 地址 |
| SVR_PORT | bigint(20) | NO | 服务器端口号 |
| TENANT_ID | bigint(20) | NO | 租户 ID |
| LS_ID | bigint(20) | NO | 日志流 ID |
| TABLET_ID | bigint(20) | NO | 数据分片 ID |
| ACTION | varchar(64) | NO | Compaction 具体动作：
|
| COMPACTION_SCN | bigint(20) unsigned | NO | compaction 版本号 |
| START_TIME | timestamp(6) | NO | compaction 开始时间 |
| END_TIME | timestamp(6) | NO | compaction 结束时间 |
| MACRO_BLOCK_COUNT | bigint(20) | NO | compaction 宏块总数 |
| REUSE_PCT | decimal(26,2) | NO | compaction 宏块重用率 |
| PARALLEL_DEGREE | bigint(20) | NO | compaction 并行度 |
查询示例
sys 租户查看集群中已经完成的转储（MINI_MERGE）的统计信息，并返回前 5 条记录。
obclient [oceanbase]> SELECT * FROM oceanbase.GV$OB_MERGE_INFO WHERE ACTION='MINI_MERGE' LIMIT 5;
查询结果如下：
+----------------+----------+-----------+-------+-----------+------------+---------------------+----------------------------+----------------------------+-------------------+-----------+-----------------+
| SVR_IP | SVR_PORT | TENANT_ID | LS_ID | TABLET_ID | ACTION | COMPACTION_SCN | START_TIME | END_TIME | MACRO_BLOCK_COUNT | REUSE_PCT | PARALLEL_DEGREE |
+----------------+----------+-----------+-------+-----------+------------+---------------------+----------------------------+----------------------------+-------------------+-----------+-----------------+
| 172.xx.xxx.xxx | 2882 | 1 | 1 | 49402 | MINI_MERGE | 1712895419824894939 | 2024-04-12 12:16:59.926830 | 2024-04-12 12:16:59.967716 | 1 | 0.00 | 1 |
| 172.xx.xxx.xxx | 2882 | 1 | 1 | 49401 | MINI_MERGE | 1712895419920179 | 2024-04-12 12:16:59.920432 | 2024-04-12 12:17:00.029272 | 1 | 0.00 | 1 |
| 172.xx.xxx.xxx | 2882 | 1 | 1 | 344 | MINI_MERGE | 1712895419824894940 | 2024-04-12 12:17:03.973219 | 2024-04-12 12:17:03.978389 | 1 | 0.00 | 1 |
| 172.xx.xxx.xxx | 2882 | 1 | 1 | 101001 | MINI_MERGE | 1712895419824894940 | 2024-04-12 12:17:03.973125 | 2024-04-12 12:17:03.979416 | 1 | 0.00 | 1 |
| 172.xx.xxx.xxx | 2882 | 1 | 1 | 372 | MINI_MERGE | 1712895419824894940 | 2024-04-12 12:17:03.973250 | 2024-04-12 12:17:03.979160 | 1 | 0.00 | 1 |
+----------------+----------+-----------+-------+-----------+------------+---------------------+----------------------------+----------------------------+-------------------+-----------+-----------------+
5 rows in set
