Note
- Due to the architectural optimization of physical backup and restore in V4.x, this parameter is removed starting from V4.0.0.
- In V4.x, the corresponding features of this parameter are as follows:
- Backup mode cannot be set by configuring this parameter. System tenants and all user tenants can use the
BINDINGoption in the ALTER SYSTEM SET LOG_ARCHIVE_DEST statement to set the priority mode of log archiving and business. - Log archiving compression is not supported.
- Backup mode cannot be set by configuring this parameter. System tenants and all user tenants can use the
Description
backup_log_archive_option specifies the archiving options for backup logs.
Attributes
| Attribute | Description |
|---|---|
| Type | String |
| Default value | OPTIONAL COMPRESSION=ENABLE |
| Value range | MANDATORY: indicates that backup has priority. If log archiving is too slow, write operations may be blocked.OPTIONAL: indicates that write operations have priority. Write operations may cause log archiving to stop.COMPRESSION: supports ENABLE, DISABLE, LZ4_1.0, and ZSTD_1.3.8. The default value is ENABLE, which uses the LZ4_1.0 compression algorithm. |
| Effective upon OBServer node restart | No |