Update br/pkg/lightning/lightning.go

Co-authored-by: D3Hunter <jujj603@gmail.com>
pingcap · Nov 18, 2022 · 6e22499 · 6e22499
1 parent fc05171
commit 6e22499
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/br/pkg/lightning/lightning.go b/br/pkg/lightning/lightning.go
@@ -547,6 +547,7 @@ func (l *Lightning) Status() (finished int64, total int64) {
 }
 
 // Metrics returns the metrics of lightning.
+// it's inited during `run`, so might return nil.
 func (l *Lightning) Metrics() *metric.Metrics {
 	return l.metrics
 }