optimized record references deletion

core/db_cgo.go

@@ -24,9 +24,9 @@ func connectDB(dbPath string) (*dbx.DB, error) {
 	// use a fixed connection pool to limit the SQLITE_BUSY errors
 	// and reduce the open file descriptors
 	// (the limits are arbitrary and may change in the future)
-	db.DB().SetMaxOpenConns(20)
-	db.DB().SetMaxIdleConns(20)
-	db.DB().SetConnMaxIdleTime(3 * time.Minute)
+	db.DB().SetMaxOpenConns(30)
+	db.DB().SetMaxIdleConns(30)
+	db.DB().SetConnMaxIdleTime(5 * time.Minute)
 
 	// additional pragmas not supported through the dsn string
 	_, err := db.NewQuery(`

core/db_nocgo.go

@@ -24,9 +24,9 @@ func connectDB(dbPath string) (*dbx.DB, error) {
 	// use a fixed connection pool to limit the SQLITE_BUSY errors and
 	// reduce the open file descriptors
 	// (the limits are arbitrary and may change in the future)
-	db.DB().SetMaxOpenConns(20)
-	db.DB().SetMaxIdleConns(20)
-	db.DB().SetConnMaxIdleTime(3 * time.Minute)
+	db.DB().SetMaxOpenConns(30)
+	db.DB().SetMaxIdleConns(30)
+	db.DB().SetConnMaxIdleTime(5 * time.Minute)
 
 	return db, nil
 }