Note
- OceanBase Database V4.x does not support configuration of thread resources by task type due to limited thread resources. This parameter has been deprecated since OceanBase Database V4.0.0.
- In OceanBase Database V4.x, you can use the tenant-level parameter
compaction_mid_thread_scoreto specify the weight of the CPU time slice occupied by the worker threads for medium-priority compaction tasks. For more information about the parameter, see compaction_mid_thread_score.
minor_merge_concurrency specifies the number of concurrent threads in a minor compaction.
| Attribute | Description |
|---|---|
| Type | Integer |
| Default value | 0, which indicates that the number of concurrent threads is min[10, cpu_cnt]. |
| Value range | [0, 64] |
| Effective upon OBServer node restart | No |