defer t.Stop()
		defer saverWg.Done()
		var lastSave time.Time

		for {
			select {
			case <-t.C:
				if cache.Info.LastUpdate.Equal(lastSave) {
					continue
				}
				scannerLogOnceIf(ctx, cache.save(ctx, er, dataUsageCacheName), "nsscanner-cache-update")
				updates <- cache.clone()

				lastSave = cache.Info.LastUpdate
			case v, ok := <-bucketResults:
				if !ok {