#### `rpl_semi_sync_slave_trace_level`

- Description: The tracing level for semi-sync replication. The levels are the same as for rpl_semi_sync_master_trace_level.
- Commandline: `--rpl-semi-sync-slave-trace_level[=#]`
- Scope: Global
- Dynamic: Yes
- Data Type: `numeric`
- Default Value: `32`
- Range: `0` to `18446744073709551615`

## Options

### `rpl_semi_sync_master`

- Description: Controls how the server should treat the plugin when the server starts up.
  - Valid values are:
    - `OFF` - Disables the plugin without removing it from the `mysql.plugins` table.
    - `ON` - Enables the plugin. If the plugin cannot be initialized, then the server will still continue starting up, but the plugin will be disabled.
    - `FORCE` - Enables the plugin. If the plugin cannot be initialized, then the server will fail to start with an error.
    - `FORCE_PLUS_PERMANENT` - Enables the plugin. If the plugin cannot be initialized, then the server will fail to start with an error. In addition, the plugin cannot be uninstalled with `UNINSTALL SONAME` or `UNINSTALL PLUGIN` while the server is running.
  - See Plugin Overview: Configuring Plugin Activation at Server Startup for more information.
- Commandline: `--rpl-semi-sync-master=value`
- Data Type: `enumerated`
- Default Value: `ON`
- Valid Values: `OFF`, `ON`, `FORCE`, `FORCE_PLUS_PERMANENT`
- Removed: MariaDB 10.3.3