all: imp stats log msg

CHANGELOG.md

@@ -31,6 +31,7 @@ NOTE: Add new changes BELOW THIS COMMENT.
 
 ### Fixed
 
+- Repetitive statistics log messages ([#7338]).
 - Custom client cache ([#7250]).
 - Missing runtime clients with information from the system hosts file on first
   AdGuard Home start ([#7315]).
@@ -38,6 +39,7 @@ NOTE: Add new changes BELOW THIS COMMENT.
 [#6818]: https://github.com/AdguardTeam/AdGuardHome/issues/6818
 [#7250]: https://github.com/AdguardTeam/AdGuardHome/issues/7250
 [#7315]: https://github.com/AdguardTeam/AdGuardHome/issues/7315
+[#7338]: https://github.com/AdguardTeam/AdGuardHome/issues/7338
 
 <!--
 NOTE: Add new changes ABOVE THIS COMMENT.

internal/stats/stats.go

@@ -467,7 +467,7 @@ func (s *StatsCtx) flushDB(id, limit uint32, ptr *unit) (cont bool, sleepFor tim
 	if delErr != nil {
 		// TODO(e.burkov):  Improve the algorithm of deleting the oldest bucket
 		// to avoid the error.
-		lvl := slog.LevelWarn
+		lvl := slog.LevelDebug
 		if !errors.Is(delErr, bbolt.ErrBucketNotFound) {
 			isCommitable = false
 			lvl = slog.LevelError