Note
- Due to the architecture optimization of the physical backup and restore feature in OceanBase Database V4.x, this parameter has been deprecated since OceanBase Database V4.0.0.
- OceanBase Database V4.x implements the features corresponding to this parameter in the following ways:
- You can use the
BINDINGparameter in the ALTER SYSTEM SET LOG_ARCHIVE_DEST statement to specify the prioritizing mode for archiving and business in thesystenant or a user tenant. - Compression of archived logs is not supported.
- You can use the
backup_log_archive_option specifies the options for log archiving during backup.
| Attribute | Description |
|---|---|
| Type | String |
| Default value | OPTIONAL COMPRESSION=ENABLE |
| Value range | MANDATORY: indicates that log backup is the top priority. A slow log archiving may cause log writing to stop.OPTIONAL: indicates that log writing is the top priority. Log writing may interrupt the archiving of logs.COMPRESSION: You can set this option to ENABLE, DISABLE, or one of two compression algorithms LZ4_1.0 and ZSTD_1.3.8. By default, COMPRESSION is enabled, and the LZ4_1.0 algorithm is used. |
| Effective upon OBServer node restart | No |