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].
Description
log_restore_concurrency specifies the number of logs that can be restored concurrently.
Note
The recovery worker thread is only created when recovering a tenant or a standby tenant.
Attributes
| Attribute | Description |
|---|---|
| Type | Integer |
| Default value | 0, which indicates that the concurrency of log restoration changes adaptively in OceanBase Database
NoteThe number of worker threads for log restore is adaptively changed to the maximum number of CPU cores. |
| Value range | [0, 100] |
| Effective upon OBServer node restart | No |