diff --git a/pkg/actor/disk_storage.go b/pkg/actor/disk_storage.go
index f82fbdd..2b71093 100644
--- a/pkg/actor/disk_storage.go
+++ b/pkg/actor/disk_storage.go
@@ -53,6 +53,8 @@ func (s *DiskStorage[V]) SaveLoop(duration time.Duration) {
 }
 
 func (s *DiskStorage[V]) save() {
+	carts := 0
+	lines := 0
 	s.queue.Range(func(key, value any) bool {
 		id := key.(uint64)
 		path := s.logPath(id)
@@ -68,12 +70,16 @@ func (s *DiskStorage[V]) save() {
 				if err := s.Append(fh, msg.Message, msg.TimeStamp); err != nil {
 					log.Printf("failed to append event to log file: %v", err)
 				}
+				lines++
 			}
 		}
+		carts++
 		s.queue.Delete(id)
 		return true
 	})
-	log.Print("Appended carts to disk")
+	if lines > 0 {
+		log.Printf("Appended %d carts and %d lines to disk", carts, lines)
+	}
 }
 
 func (s *DiskStorage[V]) logPath(id uint64) string {