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GV$OB_TABLET_COMPACTION_HISTORY
更新时间：2026-04-15 20:46:29
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说明
该视图从 V4.0.0 版本开始引入。
功能描述
展示所有租户在所有节点上 Tablet 级 Compaction 的历史信息。
字段说明
| 字段名称 | 类型 | 是否可以为 NULL | 描述 |
|---|---|---|---|
| SVR_IP | varchar(46) | NO | 服务器IP |
| SVR_PORT | bigint(20) | NO | 服务器端口号 |
| TENANT_ID | bigint(20) | NO | 租户ID |
| LS_ID | bigint(20) | NO | 日志流ID |
| TABLET_ID | bigint(20) | NO | 数据分片ID |
| TYPE | varchar(64) | NO | Compaction 的类型：
|
| COMPACTION_SCN | bigint(20) unsigned | NO | 合并版本信息 |
| START_TIME | timestamp(6) | NO | 开始时间 |
| FINISH_TIME | timestamp(6) | NO | 结束时间 |
| TASK_ID | varchar(64) | NO | 任务执行Trace |
| OCCUPY_SIZE | bigint(20) | NO | 数据量 |
| MACRO_BLOCK_COUNT | bigint(20) | NO | 宏块数 |
| MULTIPLEXED_MACRO_BLOCK_COUNT | bigint(20) | NO | 重用宏块数 |
| NEW_MICRO_COUNT_IN_NEW_MACRO | bigint(20) | NO | 新生成宏块中的新微块数 |
| MULTIPLEXED_MICRO_COUNT_IN_NEW_MACRO | bigint(20) | NO | 新生成宏块中的重用微块数 |
| TOTAL_ROW_COUNT | bigint(20) | NO | 总行数 |
| INCREMENTAL_ROW_COUNT | bigint(20) | NO | 新输出的行 |
| COMPRESSION_RATIO | double | NO | 新数据的压缩率 = 新增宏块数据在压缩后/压缩前比率 |
| NEW_FLUSH_DATA_RATE | bigint(20) | NO | 新数据的输出速度，单位KB/s |
| PROGRESSIVE_COMPACTION_ROUND | bigint(20) | NO | 渐近合并当前轮次（如果为全量合并，该列为-1） |
| PROGRESSIVE_COMPACTION_NUM | bigint(20) | NO | 渐近合并总轮次 |
| PARALLEL_DEGREE | bigint(20) | NO | 并行度 |
| PARALLEL_INFO | varchar(512) | NO | 并行任务信息，会展示并行任务扫描的数据量/运行时间/输出的数据量的统计信息（min/max/avg） |
| PARTICIPANT_TABLE | varchar(512) | NO | 参与本次compaction的table信息 |
| MACRO_ID_LIST | varchar(256) | NO | 输出的宏块列表，宏块列表过长则不展示 |
| COMMENTS | varchar(256) | NO | 记录曾经失败的compaction历史信息、本次compaction的耗时采集信息等 |
查询示例
系统租户查询租户 ID 为 1002 的租户在所有节点上的 Tablet 级 Compaction 的历史信息，展示前 5 条记录。
obclient [oceanbase]> SELECT * FROM oceanbase.GV$OB_TABLET_COMPACTION_HISTORY WHERE TENANT_ID=1002 LIMIT 5;
查询结果如下：
+----------------+----------+-----------+-------+-----------+-------------+---------------------+----------------------------+----------------------------+-----------------------------------+-------------+-------------------+-------------------------------+------------------------------+--------------------------------------+-----------------+-----------------------+-------------------+---------------------+------------------------------+----------------------------+-----------------+---------------+----------------------------------------------------------+---------------+----------------------------------------+
| SVR_IP | SVR_PORT | TENANT_ID | LS_ID | TABLET_ID | TYPE | COMPACTION_SCN | START_TIME | FINISH_TIME | TASK_ID | OCCUPY_SIZE | MACRO_BLOCK_COUNT | MULTIPLEXED_MACRO_BLOCK_COUNT | NEW_MICRO_COUNT_IN_NEW_MACRO | MULTIPLEXED_MICRO_COUNT_IN_NEW_MACRO | TOTAL_ROW_COUNT | INCREMENTAL_ROW_COUNT | COMPRESSION_RATIO | NEW_FLUSH_DATA_RATE | PROGRESSIVE_COMPACTION_ROUND | PROGRESSIVE_COMPACTION_NUM | PARALLEL_DEGREE | PARALLEL_INFO | PARTICIPANT_TABLE | MACRO_ID_LIST | COMMENTS |
+----------------+----------+-----------+-------+-----------+-------------+---------------------+----------------------------+----------------------------+-----------------------------------+-------------+-------------------+-------------------------------+------------------------------+--------------------------------------+-----------------+-----------------------+-------------------+---------------------+------------------------------+----------------------------+-----------------+---------------+----------------------------------------------------------+---------------+----------------------------------------+
| 172.xx.xxx.xxx | 2882 | 1002 | 1003 | 200002 | MAJOR_MERGE | 1735668000499972000 | 2025-01-01 02:01:29.416071 | 2025-01-01 02:01:29.416852 | YB42AC1E87ED-00062A8B78BCF056-0-0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | - | table_cnt=1,[MAJOR]snapshot_version=1; | | extra_info="time_guard=total=5.09ms;"; |
| 172.xx.xxx.xxx | 2882 | 1002 | 1003 | 200006 | MAJOR_MERGE | 1735668000499972000 | 2025-01-01 02:01:29.416135 | 2025-01-01 02:01:29.416738 | YB42AC1E87ED-00062A8B78BCF058-0-0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | - | table_cnt=1,[MAJOR]snapshot_version=1; | | extra_info="time_guard=total=5.03ms;"; |
| 172.xx.xxx.xxx | 2882 | 1002 | 1003 | 200005 | MAJOR_MERGE | 1735668000499972000 | 2025-01-01 02:01:29.416093 | 2025-01-01 02:01:29.416771 | YB42AC1E87ED-00062A8B78BCF057-0-0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | - | table_cnt=1,[MAJOR]snapshot_version=1; | | extra_info="time_guard=total=6.51ms;"; |
| 172.xx.xxx.xxx | 2882 | 1002 | 1003 | 200002 | MAJOR_MERGE | 1735754402003130000 | 2025-01-02 02:01:33.804381 | 2025-01-02 02:01:33.805027 | YB42AC1E87ED-00062A8B78BCF060-0-0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | - | table_cnt=1,[MAJOR]snapshot_version=1735668000499972000; | | extra_info="time_guard=total=5.46ms;"; |
| 172.xx.xxx.xxx | 2882 | 1002 | 1003 | 200005 | MAJOR_MERGE | 1735754402003130000 | 2025-01-02 02:01:33.804133 | 2025-01-02 02:01:33.804869 | YB42AC1E87ED-00062A8B78BCF05F-0-0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | - | table_cnt=1,[MAJOR]snapshot_version=1735668000499972000; | | extra_info="time_guard=total=5.81ms;"; |
+----------------+----------+-----------+-------+-----------+-------------+---------------------+----------------------------+----------------------------+-----------------------------------+-------------+-------------------+-------------------------------+------------------------------+--------------------------------------+-----------------+-----------------------+-------------------+---------------------+------------------------------+----------------------------+-----------------+---------------+----------------------------------------------------------+---------------+----------------------------------------+
5 rows in set
相关视图或文档
查看当前节点上 Tablet 级的合并的详细历史信息：V$OB_TABLET_COMPACTION_HISTORY
查看所有节点上 Tablet 级 Compaction 的进度信息：GV$OB_TABLET_COMPACTION_PROGRESS
