PG_SESSION_WLMSTAT
PG_SESSION_WLMSTAT displays the corresponding load management information about the task currently executed by the user.
Column |
Type |
Description |
---|---|---|
datid |
oid |
OID of the database this backend is connected to |
datname |
name |
Name of the database the backend is connected to |
threadid |
bigint |
ID of the backend thread |
processid |
integer |
Thread PID of the backend |
usesysid |
oid |
OID of the user who logged into the backend |
appname |
text |
Name of the application that is connected to the backend |
usename |
name |
Name of the user logged in to the backend |
priority |
bigint |
Priority of Cgroup where the statement is located |
attribute |
text |
Statement attributes
|
block_time |
bigint |
Pending duration of the statements by now (unit: s) |
elapsed_time |
bigint |
Actual execution duration of the statements by now (unit: s) |
total_cpu_time |
bigint |
Total CPU usage duration of the statement on the DN in the last period (unit: s) |
cpu_skew_percent |
integer |
CPU usage inclination ratio of the statement on the DN in the last period |
statement_mem |
integer |
Estimated memory required for statement execution. This column is reserved. |
active_points |
integer |
Number of concurrently active points occupied by the statement in the resource pool |
dop_value |
integer |
DOP value obtained by the statement from the resource pool |
control_group |
text |
Cgroup currently used by the statement |
status |
text |
Status of a statement, including:
|
enqueue |
text |
Current queuing status of the statements, including:
|
resource_pool |
name |
Current resource pool where the statements are located. |
query |
text |
Text of this backend's most recent query If state is active, this column shows the executing query. In all other states, it shows the last query that was executed. |
isplana |
bool |
In logical cluster mode, indicates whether a statement occupies the resources of other logical clusters. The default value is f, indicating that resources of other logical clusters are not occupied. |
node_group |
text |
Logical cluster of the user running the statement |
lane |
text |
Fast or slow lane for statement queries.
|
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