Note
This view is introduced since OceanBase Database V4.0.0.
Purpose
The DBA_OB_BACKUP_TASKS view displays the backup tasks in the current tenant.
Columns
| Column | Type | Nullable? | Description |
|---|---|---|---|
| TASK_ID | NUMBER(38) | NO | The ID of a backup task, which corresponds to a backup set task. |
| JOB_ID | NUMBER(38) | NO | The job ID of the backup task. |
| INCARNATION | NUMBER(38) | NO | The nth incarnation of the database after the Flashback Database operation. |
| BACKUP_SET_ID | NUMBER(38) | NO | The ID of the backup set corresponding to the backup task. |
| START_TIMESTAMP | VARCHAR2(256) | NO | The start time of the backup task. |
| END_TIMESTAMP | VARCHAR2(256) | NO | The end time of the backup task. |
| STATUS | VARCHAR2(4096) | NO | The backup status. |
| START_SCN | NUMBER(38) | NO | The SCN at which the backup starts. |
| END_SCN | NUMBER(38) | NO | The SCN at which the backup ends. |
| USER_LS_START_SCN | NUMBER(38) | NO | The SCN of the metadata of the backup log stream. |
| ENCRYPTION_MODE | VARCHAR2(4096) | YES | The encryption mode. Valid values:None: indicates that encryption is not implemented.Password: indicates that only the password is used for protection.Password Encryption: indicates that encryption is implemented and the password is used for protection.Transparent Encryption: indicates that TDE is used for encryption.Dual Mode Encryption: indicates that TDE encryption is implemented and the password is used for protection.Currently, only the None and Password modes are supported. |
| PASSWD | VARCHAR2(4096) | YES | The password. |
| INPUT_BYTES | NUMBER(38) | YES | The number of input bytes. |
| OUTPUT_BYTES | NUMBER(38) | YES | The number of output bytes. |
| OUTPUT_RATE_BYTES | NUMBER | NO | The number of bytes that are output per second. |
| EXTRA_META_BYTES | NUMBER(38) | YES | The number of extra bytes. |
| TABLET_COUNT | NUMBER(38) | YES | The total number of tablets. |
| FINISH_TABLET_COUNT | NUMBER(38) | YES | The total number of tablets backed up. |
| MACRO_BLOCK_COUNT | NUMBER(38) | YES | The number of macroblocks. |
| FINISH_MACRO_BLOCK_COUNT | NUMBER(38) | YES | The number of macroblocks backed up. |
| FILE_COUNT | NUMBER(38) | YES | The number of backup files. |
| META_TURN_ID | NUMBER(38) | YES | The round of metadata backup. |
| DATA_TURN_ID | NUMBER(38) | YES | The round of data backup. |
| RESULT | NUMBER(38) | YES | The returned backup error code. |
| COMMENT | VARCHAR2(4096) | YES | The description of the error code. |
| PATH | VARCHAR2(4096) | YES | The backup path. |
| MINOR_TURN_ID | NUMBER(38) | NO | The ID of the round at which the backup of minor compaction data ended. |
| MAJOR_TURN_ID | NUMBER(38) | NO | The ID of the round at which the backup of baseline data ended. |
| DATA_PROGRESS | NUMBER | NO | The data backup progress, which is calculated by using the following formula: Number of macroblocks that have been backed up/Total number of macroblocks. The value is rounded off to the second decimal place. For example, the value 87.65 indicates that the current progress is 87.65%. |
| LOG_FILE_COUNT | NUMBER(38) | NO | The total number of archived clog files to back up. |
| FINISH_LOG_FILE_COUNT | NUMBER(38) | NO | The number of archived clog files that have been backed up. |
| LOG_PROGRESS | NUMBER | NO | The backup progress of archived clog files, which is calculated by using the following formula: Number of archived clog files that have been backed up/Total number of archived clog files. The value is rounded off to the second decimal place. For example, the value 87.65 indicates that the current progress is 87.65%. |
Sample query
Query the backup tasks of the current tenant.
obclient [SYS]> SELECT * FROM SYS.DBA_OB_BACKUP_TASKS\G
The query result is as follows:
*************************** 1. row ***************************
TASK_ID: 1
JOB_ID: 1
INCARNATION: 1
BACKUP_SET_ID: 1
START_TIMESTAMP: 2024-05-10 14:02:04
END_TIMESTAMP: NULL
STATUS: BACKUP_SYS_META
START_SCN: 1715320945296235000
END_SCN: 0
USER_LS_START_SCN: 0
ENCRYPTION_MODE: NONE
PASSWD: NULL
INPUT_BYTES: 6294642
OUTPUT_BYTES: 1753748
OUTPUT_RATE_BYTES: 0
EXTRA_META_BYTES: 0
TABLET_COUNT: 652
FINISH_TABLET_COUNT: 3
MACRO_BLOCK_COUNT: 89
FINISH_MACRO_BLOCK_COUNT: 3
FILE_COUNT: 0
META_TURN_ID: 1
DATA_TURN_ID: 0
RESULT: 0
COMMENT: NULL
PATH: file:///home/admin/oceanbase/backupdataoracle
MINOR_TURN_ID: 1
MAJOR_TURN_ID: 1
1 row in set