if r.Format != "" {
		f := strings.ToLower(r.Format)
		if f != event.NamespaceFormat && f != event.AccessFormat {
			return fmt.Errorf("unrecognized format")
		}
	}

	if r.Key == "" {
		return fmt.Errorf("empty key")
	}

	if r.QueueDir != "" {
		if !filepath.IsAbs(r.QueueDir) {
			return errors.New("queueDir path should be absolute")
		}
	}

	return nil
}

				if err := tx2.First(&User{}, "name = ?", user2.Name).Error; err != nil {
					t.Fatalf("Should find saved record")
				}

				return errors.New("inner rollback")
			}); err == nil {
				t.Fatalf("nested transaction has no error")
			}

			return errors.New("rollback")
		}); err == nil {
			t.Fatalf("nested transaction should returns error")
		}

		if len(bufs) > 0 {
			// Set only if there are be enough data for reconstruction.
			// and only for expected errors, also set once.
			if errors.Is(err, errFileNotFound) || errors.Is(err, errFileCorrupt) {
				if derr == nil {
					derr = err
				}
			}
		} else if err != nil {
			// For all errors that cannot be reconstructed fail the read operation.
			return -1, err
		}

		return 0, 0, 0, buf, fmt.Errorf("decodeXLHeaders: Unknown xl header version %d", hdrVer)
	}
	if metaVer > xlMetaVersion {
		return 0, 0, 0, buf, fmt.Errorf("decodeXLHeaders: Unknown xl meta version %d", metaVer)
	}
	versions, buf, err = msgp.ReadIntBytes(buf)
	if err != nil {
		return 0, 0, 0, buf, err
	}
	if versions < 0 {
		return 0, 0, 0, buf, fmt.Errorf("decodeXLHeaders: Negative version count %d", versions)

			} else {
				value %= divisor
			}
		case lex.LSH:
			p.next()
			shift := p.factor()
			if int64(shift) < 0 {
				p.errorf("negative left shift count")
			}
			return value << shift
		case lex.RSH:
			p.next()
			shift := p.term()
			if int64(shift) < 0 {
				p.errorf("negative right shift count")
			}
			if int64(value) < 0 {

		var data [4]byte
		n, err := rc.Read(data[:])
		if err != nil {
			return err
		}
		if n != len(data) {
			return errors.New("heal mrf: no data")
		}
		// Read resync meta header
		switch binary.LittleEndian.Uint16(data[0:2]) {
		case healMRFMetaFormat:
		default:
			return fmt.Errorf("heal mrf: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
		}
		switch binary.LittleEndian.Uint16(data[2:4]) {

	if !k.Enable {
		return nil
	}
	if len(k.Brokers) == 0 {
		return errors.New("no broker address found")
	}
	for _, b := range k.Brokers {
		if _, err := xnet.ParseHost(b.String()); err != nil {
			return err
		}
	}
	if k.QueueDir != "" {
		if !filepath.IsAbs(k.QueueDir) {
			return errors.New("queueDir path should be absolute")
		}
	}
	if k.Version != "" {

func (n NSQArgs) Validate() error {
	if !n.Enable {
		return nil
	}

	if n.NSQDAddress.IsEmpty() {
		return errors.New("empty nsqdAddress")
	}

	if n.Topic == "" {
		return errors.New("empty topic")
	}
	if n.QueueDir != "" {
		if !filepath.IsAbs(n.QueueDir) {
			return errors.New("queueDir path should be absolute")
		}
	}

	return nil
}

// NSQTarget - NSQ target.
type NSQTarget struct {

		t.Errorf("UncompressedSize: got %d, want %d\n", got, want)
	}
	if got, want := fh2.UncompressedSize64, wantUncompressedSize64; got != want {
		t.Errorf("UncompressedSize64: got %d, want %d\n", got, want)
	}
	if got, want := fh2.ModifiedTime, fh.ModifiedTime; got != want {
		t.Errorf("ModifiedTime: got %d, want %d\n", got, want)
	}

type xlStorageDiskIDCheck struct {
	totalWrites           atomic.Uint64
	totalDeletes          atomic.Uint64
	totalErrsAvailability atomic.Uint64 // Captures all data availability errors such as faulty disk, timeout errors.
	totalErrsTimeout      atomic.Uint64 // Captures all timeout only errors

	// apiCalls should be placed first so alignment is guaranteed for atomic operations.
	apiCalls     [storageMetricLast]uint64