log_archive_concurrency specifies the concurrency of log archiving.
Note
The effective scope is changed to Tenant since OceanBase Database V4.1.0. Starting from OceanBase Database V4.2.0, the default value is changed from 1 to 0, and the value range is changed from [1, 100] to [0, 100].
| Attribute | Description |
|---|---|
| Type | Integer |
| Default value | 0, which indicates that the concurrency of log archiving changes adaptively in OceanBase Database
NoteThe number of worker threads for log archiving is adaptively changed to 1/4 of the maximum number of CPU cores for the tenant. |
| Value range | [0, 100] |
| Effective upon OBServer node restart | No |