// write "TotalWrites"
	err = en.Append(0xab, 0x54, 0x6f, 0x74, 0x61, 0x6c, 0x57, 0x72, 0x69, 0x74, 0x65, 0x73)
	if err != nil {
		return
	}
	err = en.WriteUint64(z.TotalWrites)
	if err != nil {
		err = msgp.WrapError(err, "TotalWrites")
		return
	}
	// write "TotalDeletes"
	err = en.Append(0xac, 0x54, 0x6f, 0x74, 0x61, 0x6c, 0x44, 0x65, 0x6c, 0x65, 0x74, 0x65, 0x73)
	if err != nil {
		return
	}