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