PGXC_WAIT_EVENTS
PGXC_WAIT_EVENTS displays statistics on the waiting status and events of each node in the cluster. The content is the same as that displayed in GS_WAIT_EVENTS. This view is accessible only to users with system administrators rights.
|
Column |
Type |
Description |
|---|---|---|
|
nodename |
Name |
Node name. |
|
type |
Text |
Event type, which can be STATUS, LOCK_EVENT, LWLOCK_EVENT, or IO_EVENT |
|
event |
Text |
Event name. For details, see PG_THREAD_WAIT_STATUS. |
|
wait |
Bigint |
Number of times an event occurs. This column and all the columns below are values accumulated during process running. |
|
failed_wait |
Bigint |
Number of waiting failures. In the current version, this column is used only for counting timeout errors and waiting failures of locks such as LOCK and LWLOCK. |
|
total_wait_time |
Bigint |
Total duration of the event |
|
avg_wait_time |
Bigint |
Average duration of the event |
|
max_wait_time |
Bigint |
Maximum wait time of the event |
|
min_wait_time |
Bigint |
Minimum wait time of the event |
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