WAIT_EVENTS
WAIT_EVENTS displays statistics about wait events on the current node. For details about events, see Table 2, Table 3, Table 4 and Table 5. For details about the impact of each transaction lock on services, see LOCK.
Table 1 WAIT_EVENTS columns
Name
|
Type
|
Description
|
nodename
|
text
|
Database process name
|
type
|
text
|
Event type
|
event
|
text
|
Event name
|
wait
|
bigint
|
Number of waiting times
|
failed_wait
|
bigint
|
Number of waiting failures
|
total_wait_time
|
bigint
|
Total waiting time (unit: μs)
|
avg_wait_time
|
bigint
|
Average waiting time (unit: μs)
|
max_wait_time
|
bigint
|
Maximum waiting time (unit: μs)
|
min_wait_time
|
bigint
|
Minimum waiting time (unit: μs)
|
last_updated
|
timestamp with time zone
|
Last time when the event was updated
|