p.Lock()
	defer p.Unlock()
	v, ok := p.bucketStats[bucket]
	if !ok {
		v = ProxyMetric{}
	}
	switch api {
	case putObjectTaggingAPI:
		if !isErr {
			atomic.AddUint64(&v.PutTagTotal, 1)
			atomic.AddUint64(&p.srProxyStats.PutTagTotal, 1)
		} else {
			atomic.AddUint64(&v.PutTagFailedTotal, 1)
			atomic.AddUint64(&p.srProxyStats.PutTagFailedTotal, 1)
		}
	case getObjectTaggingAPI:
		if !isErr {

		field, err = dc.ReadMapKeyPtr()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "ptc":
			z.PutTagTotal, err = dc.ReadUint64()
			if err != nil {
				err = msgp.WrapError(err, "PutTagTotal")
				return
			}
		case "gtc":
			z.GetTagTotal, err = dc.ReadUint64()
			if err != nil {
				err = msgp.WrapError(err, "GetTagTotal")
				return
			}