r.mostRecentStats.Timestamp = UTCNow()
	r.mostRecentStatsMu.Unlock()
	return bs
}

// get the most current of in-memory replication stats  and data usage info from crawler.
func (r *ReplicationStats) getLatestReplicationStats(bucket string) (s BucketStats) {
	if r == nil {
		return s
	}
	bucketStats := globalNotificationSys.GetClusterBucketStats(GlobalContext, bucket)
	return r.calculateBucketReplicationStats(bucket, bucketStats)