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feat: add wait/backend to pg_stat_activity ()

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Signed-off-by: Felipe Galindo Sanchez <felipe.galindo.sanchez@intel.com>
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Felipe Galindo Sanchez 2025-02-15 06:08:24 -08:00 committed by GitHub
parent 9e42fc0145
commit 2ee2a8fa7c
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2 changed files with 11 additions and 1 deletions
cmd/postgres_exporter
postgres_exporter.goqueries.go

3
cmd/postgres_exporter/postgres_exporter.go
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@ -251,6 +251,9 @@ var builtinMetricMaps = map[string]intermediateMetricMap{
"state": {LABEL, "connection state", nil, semver.MustParseRange(">=9.2.0")},
"usename": {LABEL, "connection usename", nil, nil},
"application_name": {LABEL, "connection application_name", nil, nil},
"backend_type": {LABEL, "connection backend_type", nil, nil},
"wait_event_type": {LABEL, "connection wait_event_type", nil, nil},
"wait_event": {LABEL, "connection wait_event", nil, nil},
"count": {GAUGE, "number of connections in this state", nil, nil},
"max_tx_duration": {GAUGE, "max duration in seconds any active transaction has been running", nil, nil},
},

9
cmd/postgres_exporter/queries.go
View File

@ -115,6 +115,9 @@ var queryOverrides = map[string][]OverrideQuery{
tmp.state,
tmp2.usename,
tmp2.application_name,
tmp2.backend_type,
tmp2.wait_event_type,
tmp2.wait_event,
COALESCE(count,0) as count,
COALESCE(max_tx_duration,0) as max_tx_duration
FROM
@ -133,9 +136,13 @@ var queryOverrides = map[string][]OverrideQuery{
state,
usename,
application_name,
backend_type,
wait_event_type,
wait_event,
count(*) AS count,
MAX(EXTRACT(EPOCH FROM now() - xact_start))::float AS max_tx_duration
FROM pg_stat_activity GROUP BY datname,state,usename,application_name) AS tmp2
FROM pg_stat_activity
GROUP BY datname,state,usename,application_name,backend_type,wait_event_type,wait_event) AS tmp2
ON tmp.state = tmp2.state AND pg_database.datname = tmp2.datname
`,
},