func (r *ReplicationStats) Delete(bucket string) {
	if r == nil {
		return
	}

	r.Lock()
	defer r.Unlock()
	delete(r.Cache, bucket)
}

// UpdateReplicaStat updates in-memory replica statistics with new values.
func (r *ReplicationStats) UpdateReplicaStat(bucket string, n int64) {
	if r == nil {
		return
	}

	r.Lock()
	defer r.Unlock()
	bs, ok := r.Cache[bucket]
	if !ok {

	}
	if _, ok := r.Header[xhttp.MinIOSourceReplicationRequest]; ok {
		actualSize, _ := objInfo.GetActualSize()
		defer globalReplicationStats.Load().UpdateReplicaStat(bucket, actualSize)
	}

	// Get object location.
	location := getObjectLocation(r, globalDomainNames, bucket, object)
	// Generate complete multipart response.