Note
This view is available starting with V4.0.0.
Purpose
The V$OB_PARAMETERS view displays the information about the configuration items (including the hidden configuration items whose names start with "_") on the current OBServer node.
Columns
| Column | Type | Nullable | Description |
|---|---|---|---|
| SVR_IP | VARCHAR2(46) | NO | The IP address of the server. |
| SVR_PORT | NUMBER(38) | NO | The port number of the server. |
| ZONE | VARCHAR2(128) | NO | The name of the zone. |
| SCOPE | VARCHAR2(64) | NO |
|
| TENANT_ID | NUMBER(38) | YES | The tenant ID:
|
| NAME | VARCHAR2(128) | NO | The name of the configuration item. |
| DATA_TYPE | VARCHAR2(128) | YES | The value type of the configuration item. |
| VALUE | VARCHAR2(65536) | NO | The value of the configuration item. |
| INFO | VARCHAR2(4096) | NO | The description of the configuration item. |
| SECTION | VARCHAR2(128) | NO | The module to which the configuration item belongs. |
| EDIT_LEVEL | VARCHAR2(128) | NO | The way in which the configuration item takes effect after modification:
|
| DEFAULT_VALUE | VARCHAR2(65536) | NO | The default value of the configuration item
NoteThis column is available starting with V4.2.2. |
| ISDEFAULT | VARCHAR2(3) | NO | Indicates whether the current value is the default value:
NoteThis column is available starting with V4.2.2. |
Sample query
Query the information about the configuration items on the current OBServer node and display the first record.
obclient [oceanbase]> SELECT * FROM SYS.V$OB_PARAMETERS WHERE ROWNUM < 2\G
The query result is as follows:
*************************** 1. row ***************************
SVR_IP: xx.xx.xx.xx
SVR_PORT: 28825
ZONE: zone1
SCOPE: CLUSTER
TENANT_ID: NULL
NAME: _restore_io_max_retry_count
DATA_TYPE: NULL
VALUE: 3
INFO: the maximum number of retry attempts for restoring when encountering I/O errors.Range: [0,64] in integer
SECTION: OBSERVER
EDIT_LEVEL: DYNAMIC_EFFECTIVE
DEFAULT_VALUE: 3
ISDEFAULT: YES
1 row in set (0.049 sec)