expiryPendingTasks           MetricName = "expiry_pending_tasks"
	expiryMissedTasks            MetricName = "expiry_missed_tasks"
	expiryMissedFreeVersions     MetricName = "expiry_missed_freeversions"
	expiryMissedTierJournalTasks MetricName = "expiry_missed_tierjournal_tasks"
	expiryNumWorkers             MetricName = "expiry_num_workers"
	transitionPendingTasks       MetricName = "transition_pending_tasks"

		RespElements: extractRespElements(w),
		UserAgent:    r.UserAgent(),
		Host:         handlers.GetSourceIP(r),
	})

	if objInfo.ReplicationStatus == replication.Pending || objInfo.VersionPurgeStatus == Pending {
		dmVersionID := ""
		versionID := ""
		if objInfo.DeleteMarker {
			dmVersionID = objInfo.VersionID
		} else {
			versionID = objInfo.VersionID
		}

	ReplicateIncomingDelete = "replicate:incoming:delete"

	// ReplicateHeal - audit trail for healing of failed/pending replications
	ReplicateHeal = "replicate:heal"
	// ReplicateHealDelete - audit trail of healing of failed/pending delete replications.
	ReplicateHealDelete = "replicate:heal:delete"
)

var (
	globalReplicationPool  *ReplicationPool