Note
This view is available starting with V4.0.0.
Purpose
The V$OB_PROCESSLIST view displays session information on the current OBServer node.
Columns
| Column | Type | Nullable | Description |
|---|---|---|---|
| SVR_IP | varchar(46) | NO | The IP address of the server. |
| SVR_PORT | bigint(20) | NO | The port number of the server. |
| SQL_PORT | bigint(20) | NO | The SQL port number. |
| ID | bigint(20) unsigned | NO | The session ID.
|
| USER | varchar(32) | NO | The username. |
| HOST | varchar(128) | NO | The IP address and port number of the client. |
| DB | varchar(128) | NO | The name of the database to be accessed. |
| TENANT | varchar(128) | NO | The name of the tenant to be accessed. |
| COMMAND | varchar(4096) | NO | The type of the command currently being executed. |
| TIME | bigint(20) | NO | The time when the current command is executed, in seconds. If the command is retried, this value is reset to 0 and recalculated. |
| TOTAL_TIME | bigint(20) | NO | The total time taken to execute the current command, in seconds. If the command is retried, this value is not reset. |
| STATE | varchar(128) | NO | The current session status. |
| INFO | varchar(262143) | NO | The command currently being executed. |
| PROXY_SESSID | bigint(20) unsigned | NO | If the client is an OBProxy, this field indicates the proxy session ID. |
| MASTER_SESSID | bigint(20) unsigned | NO | The master session ID, which is used to link multiple sub-sessions of the same SQL statement. |
| USER_CLIENT_IP | varchar(46) | NO | The IP address of the client. |
| USER_HOST | varchar(128) | NO | The hostname of the client. |
| RETRY_CNT | bigint(20) | NO | The number of retries for the current command. |
| RETRY_INFO | bigint(20) | NO | The retry information for the current command, which is usually the error code of the last retry. |
| SQL_ID | varchar(32) | NO | The SQL ID. |
| TRANS_ID | bigint(20) unsigned | NO | The transaction ID. |
| THREAD_ID | bigint(20) unsigned | NO | The thread ID. |
| SSL_CIPHER | varchar(4096) | NO | The name of the encryption cipher. |
| TRACE_ID | varchar(64) | NO | The trace ID. |
| TRANS_STATE | varchar(32) | NO | The transaction state. If no transaction is active for the session, this column is empty.
|
| ACTION | varchar(4096) | NO | The name of the current execution operation set by calling the DBMS_APPLICATION_INFO.SET_ACTION procedure. |
| MODULE | varchar(4096) | NO | The name of the current execution operation set by calling the DBMS_APPLICATION_INFO.SET_MODULE procedure. |
| CLIENT_INFO | varchar(4096) | NO | The information set by calling the DBMS_APPLICATION_INFO.SET_CLIENT_INFO procedure. |
| LEVEL | bigint(20) | NO | The end-to-end trace 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 | bigint(20) | NO | The end-to-end trace sampling frequency of the session. For example, 50 indicates that diagnostic information is sampled at a frequency of 50%.
NoteThis column is available starting with V4.2.1. |
| RECORD_POLICY | varchar(32) | NO | The end-to-end trace recording policy of the session. The following three policies are supported:
NoteThis column is available starting with V4.2.1. |
| LB_VID | bigint(20) | NO | If the database is directly connected to the load balancing service in a public cloud environment, this column displays the VPC ID of the load balancing service. Otherwise, this column is empty.
NoteThis column is available starting with V4.2.1. |
| LB_VIP | varchar(46) | NO | If the database is directly connected to the load balancing service in a public cloud environment, this column displays the IP address of the client that connects to the load balancing service. Otherwise, this column is empty.
NoteThis column is available starting with V4.2.1. |
| LB_VPORT | bigint(20) | NO | If the database is directly connected to the load balancing service in a public cloud environment, this column displays the port of the client that connects to the load balancing service. Otherwise, this column is empty.
NoteThis column is available starting with V4.2.1. |
| IN_BYTES | bigint(20) | NO | The inflow traffic of the session, in bytes.
NoteThis column is available starting with V4.2.1. |
| OUT_BYTES | bigint(20) | NO | The outflow traffic of the session, in bytes.
NoteThis column is available starting with V4.2.1. |
| USER_CLIENT_PORT | bigint(20) | NO | The client address information.
Note
|
| PROXY_USER | varchar(128) | NO |
Note
|
| SERVICE_NAME | varchar(64) | YES | The name of the service that created the session. If the value is NULL, the session was not created by a service.
Note
|
| TOTAL_CPU_TIME | bigint(21) | NO | The CPU time used by the current command, in seconds.
Note
|
| TOP_INFO | varchar(262143) | YES | The top-level PL statement information of the executing SQL.
Note
|
| MEMORY_USAGE | bigint(20) | NO | The memory size occupied by the current SQL statement, in bytes.
NoteFor V4.4.x, this column is available starting with V4.4.0. However, it is not effective yet, and the default value is |
Sample query
Query session information on the current OBServer node.
obclient [oceanbase]> SELECT * FROM oceanbase.V$OB_PROCESSLIST LIMIT 1\G
The query result is as follows:
*************************** 1. row ***************************
SVR_IP: 172.xx.xxx.xxx
SVR_PORT: 2882
SQL_PORT: 2881
ID: 3221575191
USER: root
HOST: 100.xx.xxx.xxx:52264
DB: NULL
TENANT: mysql001
COMMAND: Query
TIME: 0.001143
TOTAL_TIME: 0.000303
STATE: ACTIVE
INFO: SELECT * FROM oceanbase.GV$OB_PROCESSLIST
PROXY_SESSID: NULL
MASTER_SESSID: NULL
USER_CLIENT_IP: 100.xx.xxx.xxx
USER_HOST: %
RETRY_CNT: 0
RETRY_INFO: 0
SQL_ID: 2E175335D36600B7A8EC72C5094888DD
TRANS_ID: 0
THREAD_ID: 2443
SSL_CIPHER: NULL
TRACE_ID: YB42AC1E87C3-000632CB9B9BB963-0-0
TRANS_STATE:
ACTION:
MODULE:
CLIENT_INFO:
LEVEL: 1
SAMPLE_PERCENTAGE: 10
RECORD_POLICY: SAMPLE_AND_SLOW_QUERY
LB_VID: NULL
LB_VIP: NULL
LB_VPORT: NULL
IN_BYTES: 448
OUT_BYTES: 0
USER_CLIENT_PORT: 52264
PROXY_USER:
SERVICE_NAME: NULL
TOTAL_CPU_TIME: 0
TOP_INFO: NULL
MEMORY_USAGE: NULL
1 row in set