Note
This view is available starting with V4.3.0.
Purpose
The GV$OB_SESSION view records session information created in all servers.
Columns
| Column | Type | Nullable | Description |
|---|---|---|---|
| ID | bigint(20) unsigned | NO | For V4.3.x:
|
| USER | varchar(32) | NO | The user to which the session belongs. |
| TENANT | varchar(128) | NO | The name of the tenant accessed by the session. |
| HOST | varchar(128) | NO | The IP address and port number of the client that initiated the session. If the database is connected through ODP, this column represents the IP address and port number of the ODP. |
| DB | varchar(128) | YES | The name of the database to which the session is currently connected. |
| COMMAND | varchar(4096) | NO | The command being executed by the session. |
| SQL_ID | varchar(32) | NO | The SQL ID. |
| TIME | bigint(21) | NO | The time when the current command is executed, in seconds. If the command is retried, the value is reset and recalculated. |
| STATE | varchar(128) | YES | The current state of the session. |
| INFO | varchar(262143) | YES | The statement being executed by the session. |
| SVR_IP | varchar(46) | NO | The IP address of the server. |
| SVR_PORT | bigint(20) | NO | The RPC port number of the server. |
| SQL_PORT | bigint(20) | NO | The SQL port number of the server. |
| PROXY_SESSID | bigint(20) unsigned | YES | If the current client is ODP, this column displays the session ID of ODP. |
| USER_CLIENT_IP | varchar(46) | YES | The IP address of the user client. |
| USER_HOST | varchar(128) | YES | The host name of the user client. |
| TRANS_ID | bigint(20) unsigned | NO | The transaction ID. |
| THREAD_ID | bigint(20) unsigned | NO | The thread ID. |
| TRACE_ID | varchar(64) | YES | The trace ID. |
| REF_COUNT | bigint(20) | NO | The connection reference count. |
| BACKTRACE | varchar(16384) | YES | The connection reference call stack. |
| TRANS_STATE | varchar(32) | YES | The transaction state (empty if no transaction is associated with the session):
|
| USER_CLIENT_PORT | bigint(20) | NO | The port number of the user client
NoteFor V4.4.x, this column is available starting with V4.4.0. |
| TOTAL_CPU_TIME | bigint(21) | NO | The CPU time consumed by the current command, in seconds |
Sample query
Query the session information created in all servers for all tenants.
obclient [oceanbase]> SELECT * FROM oceanbase.GV$OB_SESSION limit 1\G
The query result is as follows:
*************************** 1. row ***************************
ID: 3221546933
USER: root
TENANT: mysql001
HOST: 100.xx.xxx.xxx:41866
DB: test_db
COMMAND: Sleep
SQL_ID:
TIME: 4149
STATE: SLEEP
INFO: NULL
SVR_IP: 172.xx.xxx.xxx
SVR_PORT: 2882
SQL_PORT: 2881
PROXY_SESSID: NULL
USER_CLIENT_IP: 100.xx.xxx.xxx
USER_HOST: %
TRANS_ID: 0
THREAD_ID: 0
TRACE_ID: NULL
REF_COUNT: 0
BACKTRACE:
TRANS_STATE:
USER_CLIENT_PORT: 41866
TOTAL_CPU_TIME: 0
1 row in set