//msgp:ignore siteResyncMetrics
type siteResyncMetrics struct {
	sync.RWMutex
	// resyncStatus maps resync ID to resync status for peer
	resyncStatus map[string]SiteResyncStatus
	// map peer deployment ID to resync ID
	peerResyncMap map[string]resyncState
}

func newSiteResyncMetrics(ctx context.Context) *siteResyncMetrics {
	s := siteResyncMetrics{
		resyncStatus:  make(map[string]SiteResyncStatus),
		peerResyncMap: make(map[string]resyncState),

	Arn       string    `json:"arn"`
	ResetID   string    `json:"resetid"`
	StartTime time.Time `json:"startTime"`
	EndTime   time.Time `json:"endTime"`
	// Status of resync operation
	ResyncStatus string `json:"resyncStatus,omitempty"`
	// Completed size in bytes
	ReplicatedSize int64 `json:"completedReplicationSize"`
	// Failed size in bytes
	FailedSize int64 `json:"failedReplicationSize"`

	select {
	case <-s.workerCh: // block till a worker is available
	case <-ctx.Done():
		return
	}

	resyncStatus := ResyncFailed
	defer func() {
		s.markStatus(resyncStatus, opts, objectAPI)
		globalSiteResyncMetrics.incBucket(opts, resyncStatus)
		s.workerCh <- struct{}{}
	}()
	// Allocate new results channel to receive ObjectInfo.
	objInfoCh := make(chan itemOrErr[ObjectInfo])

			m, ok := globalReplicationPool.Get().resyncer.statusMap[bucket]
			if !ok {
				m = newBucketResyncStatus(bucket)
			}
			if st, ok := m.TargetsMap[t.Arn]; ok {
				st.LastUpdate = UTCNow()
				st.ResyncStatus = ResyncCanceled
				m.TargetsMap[t.Arn] = st
				m.LastUpdate = UTCNow()
			}
			globalReplicationPool.Get().resyncer.statusMap[bucket] = m
			globalReplicationPool.Get().resyncer.Unlock()
		}
	}