Fix connection issue to multiple databases.

askomorokhov · askomorokhov · commit f4cf2ac54296 · 2021-05-05T12:43:39.000+03:00
Signed-off-by: Andrii Skomorokhov &lt;andrii.skomorokhov@percona.com&gt;
diff --git a/cmd/postgres_exporter/postgres_exporter.go b/cmd/postgres_exporter/postgres_exporter.go
@@ -971,7 +971,7 @@ func NewServer(dsn string, opts ...ServerOpt) (*Server, error) {
 		return nil, err
 	}
 	db.SetMaxOpenConns(1)
-	db.SetMaxIdleConns(1)
+	db.SetMaxIdleConns(-1)
 
 	level.Info(logger).Log("msg", "Established new database connection", "fingerprint", fingerprint)
 

Original file line number	Diff line number	Diff line change
`@@ -971,7 +971,7 @@ func NewServer(dsn string, opts ...ServerOpt) (*Server, error) {`
`971`	`971`	`return nil, err`
`972`	`972`	`}`
`973`	`973`	`db.SetMaxOpenConns(1)`
`974`		`- db.SetMaxIdleConns(1)`
	`974`	`+ db.SetMaxIdleConns(-1)`
`975`	`975`
`976`	`976`	`level.Info(logger).Log("msg", "Established new database connection", "fingerprint", fingerprint)`
`977`	`977`