SHOW PROCESSLIST
SHOW PROCESSLIST lists the operations currently being performed by threads executing within the server. The current version of StarRocks only supports listing queries.
tip
This operation does not require privileges.
Syntaxβ
SHOW [FULL] PROCESSLIST
Parameterβ
Parameter | Required | Description |
---|---|---|
FULL | No | If you specify this parameter, the complete SQL statement will be displayed. Otherwise, only the first 100 characters of the statement are displayed. |
Returnβ
Return | Description |
---|---|
Id | Connection ID. |
User | The name of the user who runs the operation. |
Host | The hostname of the client which runs the operation. |
Db | The name of the database where the operation is executed. |
Command | The type of the command. |
ConnectionStartTime | Time when the connection starts. |
Time | The time (in second) since the operation has entered the current state. |
State | The state of the operation. |
Info | The command that the operation is executing. |
IsPending | Whether the query is pending in the queue. Valid values: true and false . |
Warehouse | The name of the warehouse where the query is executed. |
CNGroup | The name of the compute node group where the query is executed. |
Usage noteβ
If the current user is root
, this statement lists the operations of all users in the cluster. Otherwise, only operations of the current user are listed.
The IsPending
, Warehouse
, and CNGroup
fields provide additional information about query execution in warehouse environments:
IsPending
: Shows whether a query is waiting in the queue (true
) or actively executing (false
)Warehouse
: Displays the warehouse name where the query is being executedCNGroup
: Shows the compute node group name responsible for executing the query
Exampleβ
Example 1: lists the operations state via the user root
.
SHOW PROCESSLIST;
+------+------+---------------------+-------+---------+---------------------+------+-------+------------------+-----------+-----------+---------+
| Id | User | Host | Db | Command | ConnectionStartTime | Time | State | Info | IsPending | Warehouse | CNGroup |
+------+------+---------------------+-------+---------+---------------------+------+-------+------------------+-----------+-----------+---------+
| 0 | root | x.x.x.x:xxxx | tpcds | Query | 2022-10-09 19:58:25 | 0 | OK | SHOW PROCESSLIST | false | default | |
+------+------+---------------------+-------+---------+---------------------+------+-------+------------------+-----------+-----------+---------+