Note
This view is available starting with V4.0.0.
Purpose
The V$OB_PROCESSLIST view displays the session information 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. |
| SQL_PORT | NUMBER(38) | NO | The port number of SQL. |
| ID | NUMBER(38) | NO | The session ID. |
| USER | CHAR(193) | NO | The username. |
| HOST | VARCHAR2(128) | NO | The name of the client host. If the client is connected through an OBProxy, this column displays the IP address of the OBProxy. |
| DB | VARCHAR2(128) | NO | The name of the database being accessed. |
| TENANT | VARCHAR2(128) | NO | The name of the tenant being accessed. |
| COMMAND | VARCHAR2(4096) | NO | The type of the command being executed. |
| TIME | NUMBER(38) | NO | The time when the command is executed, in seconds. If the command is retried, this value is reset to 0 and recalculated. |
| TOTAL_TIME | NUMBER(38) | NO | The total time taken for the command to be executed, in seconds.
NoteIn versions earlier than V4.2.5, this field indicates the total time taken for the command to be executed, which is not reset when the command is retried. |
| STATE | VARCHAR2(128) | NO | The current session state. |
| INFO | VARCHAR2(262143) | NO | The command being executed. |
| PROXY_SESSID | NUMBER(38) | NO | If the client is an OBProxy, this column displays the proxy session ID. |
| MASTER_SESSID | NUMBER(38) | NO | The session ID of the master session, which is used to link multiple sub-sessions of the same SQL statement. |
| USER_CLIENT_IP | VARCHAR2(46) | NO | The IP address of the client. |
| USER_HOST | VARCHAR2(128) | NO | The name of the client host. |
| RETRY_CNT | NUMBER(38) | NO | The number of retries for the current command. |
| RETRY_INFO | NUMBER(38) | NO | The retry information for the current command. This value is generally the error code of the last retry. |
| SQL_ID | VARCHAR2(32) | NO | The SQL ID. |
| TRANS_ID | NUMBER(38) | NO | The transaction ID. |
| THREAD_ID | NUMBER(38) | NO | The thread ID. |
| SSL_CIPHER | VARCHAR2(4096) | NO | The name of the encryption cipher. |
| TRACE_ID | VARCHAR2(64) | NO | The trace ID. |
| TRANS_STATE | VARCHAR2(32) | NO | Transaction status:
|
| ACTION | VARCHAR2(4096) | NO | The name of the current execution operation set by calling the DBMS_APPLICATION_INFO.SET_ACTION procedure. |
| MODULE | VARCHAR2(4096) | NO | The name of the current execution operation set by calling the DBMS_APPLICATION_INFO.SET_MODULE procedure. |
| CLIENT_INFO | VARCHAR2(4096) | NO | The information set by calling the DBMS_APPLICATION_INFO.SET_CLIENT_INFO procedure. |
| LEVEL | NUMBER(38) | NO | The end-to-end tracing monitoring level of the session. For example, 1 indicates the diagnostic information of level 1.
NoteThis column is available starting with V4.2.1. |
| SAMPLE_PERCENTAGE | NUMBER(38) | NO | The end-to-end tracing sampling frequency of the session. For example, 50 indicates that diagnostic information is sampled with 50% probability.
NoteThis column is available starting with V4.2.1. |
| RECORD_POLICY | VARCHAR2(32) | NO | The end-to-end tracing recording strategy of the session. The following three strategies are supported:
NoteThis column is available starting with V4.2.1. |
| LB_VID | NUMBER(38) | NO | If the database is directly connected to the load balancer in a public cloud environment, this column displays the VPC ID of the load balancer service. Otherwise, this column is NULL.
NoteThis column is available starting with V4.2.1. |
| LB_VIP | VARCHAR2(46) | NO | If the database is directly connected to the load balancer in a public cloud environment, this column displays the IP address of the client connecting to the load balancer service. Otherwise, this column is NULL.
NoteThis column is available starting with V4.2.1. |
| LB_VPORT | NUMBER(38) | NO | If the database is directly connected to the load balancer in a public cloud environment, this column displays the port of the client connecting to the load balancer service. Otherwise, this column is NULL.
NoteThis column is available starting with V4.2.1. |
| IN_BYTES | NUMBER(38) | NO | The incoming traffic of the session, in bytes.
NoteThis column is available starting with V4.2.1. |
| OUT_BYTES | NUMBER(38) | NO | The outgoing traffic of the session, in bytes.
NoteThis column is available starting with V4.2.1. |
| USER_CLIENT_PORT | NUMBER(38)) | NO | The client address information.
NoteThis column is available starting with V4.2.3. |
| PROXY_USER | VARCHAR2(128) | NO |
NoteThis column is available starting with V4.2.3. |
| TOTAL_CPU_TIME | VARCHAR2(38) | NO | The CPU usage time of the current command, in seconds.
Note
|
| SERVICE_NAME | VARCHAR2(64) | NO | The service name that created the session. If the value is NULL, the session was not created by a service name.
NoteThis column is available starting with V4.2.4. |
| TOP_INFO | VARCHAR2(262143) | NO | The information of the top PL statement of the executing SQL statement.
Note
|
| MEMORY_USAGE | NUMBER(38) | NO | The size of memory used by the SQL statement, in bytes.
NoteIn V4.2.5, this column is available starting with V4.2.5 BP2. |
Sample query
Query the session information of the current OBServer node.
obclient [SYS]> SELECT * FROM SYS.V$OB_PROCESSLIST WHERE ROWNUM <= 1\G
The query result is as follows:
*************************** 1. row ***************************
SVR_IP: xx.xx.xx.xx
SVR_PORT: 2882
SQL_PORT: 2881
ID: 3221671593
USER: SYS
HOST: xx.xx.xx.xx:51303
DB: SYS
TENANT: oracle001
COMMAND: Query
TIME: 0
TOTAL_TIME: 0
STATE: ACTIVE
INFO: SELECT * FROM SYS.V$OB_PROCESSLIST WHERE ROWNUM <= 1
PROXY_SESSID: NULL
MASTER_SESSID: NULL
USER_CLIENT_IP: xx.xx.xx.xx
USER_HOST: %
RETRY_CNT: 0
RETRY_INFO: 0
SQL_ID: 5A7EEC4E56E30D30D96959FABC60764E
TRANS_ID: 0
THREAD_ID: 33243
SSL_CIPHER: NULL
TRACE_ID: YB42AC1E87E1-000XXXXXXXX-0-0
TRANS_STATE: NULL
ACTION: NULL
MODULE: NULL
CLIENT_INFO: NULL
LEVEL: 1
SAMPLE_PERCENTAGE: 10
RECORD_POLICY: SAMPLE_AND_SLOW_QUERY
LB_VID: NULL
LB_VIP: NULL
LB_VPORT: NULL
IN_BYTES: 449
OUT_BYTES: 0
USER_CLIENT_PORT: 51303
PROXY_USER: NULL
TOTAL_CPU_TIME: 0
SERVICE_NAME: NULL
TOP_INFO: NULL
MEMORY_USAGE: 4030464
1 row in set