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Re-add pg_stat_bgwriter metrics which were accidentally removed.

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During a refactor the pg_stat_bgwriter metrics were accidentally removed
and not re-added by 34fdb69ee2.

This commit restores these metrics. Resolves #336.
This commit is contained in:
Will Rouesnel 2019-11-26 00:00:32 +11:00
parent 54a0cf0e63
commit 03013dea2e
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1 changed files with 17 additions and 0 deletions
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17
cmd/postgres_exporter/postgres_exporter.go
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@ -192,6 +192,23 @@ func dumpMaps() {
}
var builtinMetricMaps = map[string]intermediateMetricMap{
"pg_stat_bgwriter": {
map[string]ColumnMapping{
"checkpoints_timed": {COUNTER, "Number of scheduled checkpoints that have been performed", nil, nil},
"checkpoints_req": {COUNTER, "Number of requested checkpoints that have been performed", nil, nil},
"checkpoint_write_time": {COUNTER, "Total amount of time that has been spent in the portion of checkpoint processing where files are written to disk, in milliseconds", nil, nil},
"checkpoint_sync_time": {COUNTER, "Total amount of time that has been spent in the portion of checkpoint processing where files are synchronized to disk, in milliseconds", nil, nil},
"buffers_checkpoint": {COUNTER, "Number of buffers written during checkpoints", nil, nil},
"buffers_clean": {COUNTER, "Number of buffers written by the background writer", nil, nil},
"maxwritten_clean": {COUNTER, "Number of times the background writer stopped a cleaning scan because it had written too many buffers", nil, nil},
"buffers_backend": {COUNTER, "Number of buffers written directly by a backend", nil, nil},
"buffers_backend_fsync": {COUNTER, "Number of times a backend had to execute its own fsync call (normally the background writer handles those even when the backend does its own write)", nil, nil},
"buffers_alloc": {COUNTER, "Number of buffers allocated", nil, nil},
"stats_reset": {COUNTER, "Time at which these statistics were last reset", nil, nil},
},
true,
0,
},
"pg_stat_database": {
map[string]ColumnMapping{
"datid": {LABEL, "OID of a database", nil, nil},