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Export pg_stat_archiver metrics #324

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Merged
merged 1 commit into from
Nov 19, 2019
Merged

Export pg_stat_archiver metrics #324

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24 changes: 24 additions & 0 deletions cmd/postgres_exporter/postgres_exporter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -278,6 +278,19 @@ var builtinMetricMaps = map[string]intermediateMetricMap{
},
0,
},
"pg_stat_archiver": {
map[string]ColumnMapping{
"archived_count": {COUNTER, "Number of WAL files that have been successfully archived", nil, nil},
"last_archived_wal": {DISCARD, "Name of the last WAL file successfully archived", nil, nil},
"last_archived_time": {DISCARD, "Time of the last successful archive operation", nil, nil},
"failed_count": {COUNTER, "Number of failed attempts for archiving WAL files", nil, nil},
"last_failed_wal": {DISCARD, "Name of the WAL file of the last failed archival operation", nil, nil},
"last_failed_time": {DISCARD, "Time of the last failed archival operation", nil, nil},
"stats_reset": {DISCARD, "Time at which these statistics were last reset", nil, nil},
"last_archive_age": {GAUGE, "Time in seconds since last WAL segment was successfully archived", nil, nil},
},
0,
},
"pg_stat_activity": {
map[string]ColumnMapping{
"datname": {LABEL, "Name of this database", nil, nil},
Expand Down Expand Up @@ -355,6 +368,17 @@ var queryOverrides = map[string][]OverrideQuery{
},
},

"pg_stat_archiver": {
{
semver.MustParseRange(">=0.0.0"),
`
SELECT *,
extract(epoch from now() - last_archived_time) AS last_archive_age
FROM pg_stat_archiver
`,
},
},

"pg_stat_activity": {
// This query only works
{
Expand Down