rs:        ReplicationState{ReplicationStatusInternal: "arn1=PENDING;", Targets: map[string]replication.StatusType{"arn1": "PENDING"}},
		expStatus: replication.Pending,
	},
	{ // 3. replication status for one target - incorrect format
		name:      "replication status for one target",
		rs:        ReplicationState{ReplicationStatusInternal: "arn1=PENDING"},
		expStatus: replication.StatusType(""),
	},

//go:generate msgp -file=$GOFILE

// StatusType of Replication for x-amz-replication-status header
type StatusType string

// Type - replication type enum
type Type int

const (
	// Pending - replication is pending.
	Pending StatusType = "PENDING"

	// Completed - replication completed ok.
	Completed StatusType = "COMPLETED"

	// CompletedLegacy was called "COMPLETE" incorrectly.
	CompletedLegacy StatusType = "COMPLETE"

// - replicated size for all objects sent to this target
// - replica size for all objects received from this target
// - replication pending size for all objects pending replication to this target
// - replication failed size for all objects failed replication to this target
// - replica pending count
// - replica failed count
type BucketTargetUsageInfo struct {
	ReplicationPendingSize  uint64 `json:"objectsPendingReplicationTotalSize"`

			b.updateXferRate(rs.TransferSize, rs.TransferDuration)
		}
	case rs.Failed:
		b.FailStats.addsize(rs.TransferSize, rs.Err)
	case rs.Pending:
	}
}

type replStat struct {
	Arn       string
	Completed bool
	Pending   bool
	Failed    bool
	opType    replication.Type
	// transfer size
	TransferSize int64
	// transfer duration
	TransferDuration time.Duration

	VersionID string `msg:"vid"`
	TierName  string `msg:"tier"`
}

const (
	tierJournalVersion = 1
	tierJournalHdrLen  = 2 // 2 bytes
)

var errUnsupportedJournalVersion = errors.New("unsupported pending deletes journal version")

func newTierDiskJournal() *tierDiskJournal {
	return &tierDiskJournal{}
}

// NewTierJournal initializes tier deletion journal
func NewTierJournal() *TierJournal {
	j := &TierJournal{

		},
		{
			meta:           nmeta2,
			pools:          pools,
			name:           "Correct-Decom-Pending",
			expectedErr:    false,
			expectedUpdate: false,
		},
		{
			meta:           nmeta2,
			pools:          reducedPools,
			name:           "Invalid-Decom-Pending-Pool-Removal",
			expectedErr:    false,
			expectedUpdate: true,
		},
		{
			meta:           nmeta1,

	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

		},
		{
			name: "several",
			arg: map[string]string{
				xhttp.AmzRestore:                 "FAILED",
				xhttp.ContentMD5:                 mustGetUUID(),
				xhttp.AmzBucketReplicationStatus: "PENDING",
				xhttp.ContentType:                "application/json",
			},
		},
		{
			name: "someempty",
			arg: map[string]string{
				xhttp.AmzRestore:                 "",

func TestParseRestoreObjStatus(t *testing.T) {
	testCases := []struct {
		restoreHdr     string
		expectedStatus restoreObjStatus
		expectedErr    error
	}{
		{
			// valid: represents a restored object, 'pending' expiry.
			restoreHdr: `ongoing-request="false", expiry-date="Fri, 21 Dec 2012 00:00:00 GMT"`,
			expectedStatus: restoreObjStatus{
				ongoing: false,
				expiry:  time.Date(2012, 12, 21, 0, 0, 0, 0, time.UTC),
			},

			srs.Latency.update(st.TransferSize, st.TransferDuration)
			srs.updateXferRate(st.TransferSize, st.TransferDuration)
		}
	case st.Failed:
		srs.Failed.addsize(st.TransferSize, st.Err)
	case st.Pending:
	}
	sr.M[dID] = srs
}

func (sr *SRStats) get() map[string]SRMetric {
	epMap := globalBucketTargetSys.healthStats()

	sr.lock.RLock()
	defer sr.lock.RUnlock()