file     *os.File // active journal file
}

// TierJournal holds an in-memory and an on-disk delete journal of tiered content.
type TierJournal struct {
	*tierDiskJournal // for processing legacy journal entries
	*tierMemJournal  // for processing new journal entries
}

type jentry struct {
	ObjName   string `msg:"obj"`
	VersionID string `msg:"vid"`
	TierName  string `msg:"tier"`
}

const (
	tierJournalVersion = 1

	return MetricDescription{
		Namespace: bucketMetricNamespace,
		Subsystem: requestsSubsystem,
		Name:      canceledTotal,
		Help:      "Total number of S3 requests that were canceled from the client while processing on a bucket",
		Type:      counterMetric,
	}
}

func getILMNodeMetrics() *MetricsGroupV2 {
	mg := &MetricsGroupV2{
		cacheInterval: 10 * time.Second,
	}

	if s3Error := checkRequestAuthType(ctx, r, policy.PutBucketPolicyAction, bucket, ""); s3Error != ErrNone {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	// Before proceeding validate if bucket exists.
	_, err := objAPI.GetBucketInfo(ctx, bucket, BucketOptions{})
	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

		adminRouter.Methods(http.MethodGet).Path(adminVersion + "/metrics").HandlerFunc(adminMiddleware(adminAPI.MetricsHandler, traceAllFlag))

		if globalIsDistErasure || globalIsErasure {
			// Heal operations

			// Heal processing endpoint.
			adminRouter.Methods(http.MethodPost).Path(adminVersion + "/heal/").HandlerFunc(adminMiddleware(adminAPI.HealHandler, traceAllFlag))

	}()
	// Now do 100 other requests to ensure that the server doesn't block.
	for i := 0; i < 100; i++ {
		_, err := remoteConn.Request(ctx, handlerTest2, []byte(testPayload))
		errFatal(err)
	}
	// Start processing requests.
	close(processHandler)

	// Drain responses
	got := 0
	for resp := range st.responses {
		// t.Log("got response", resp)
		errFatal(resp.Err)
		if resp.Msg[0] != byte(got) {

	for {
		if !globalCallhomeConfig.Enabled() {
			// Stop the processing as callhome got disabled
			return false
		}

		select {
		case <-ctx.Done():
			// indicates that we do not need to run callhome anymore
			return false
		case <-callhomeTimer.C:
			if !globalCallhomeConfig.Enabled() {
				// Stop the processing as callhome got disabled
				return false
			}

			performCallhome(ctx)

//     Agents to directly backup to object storage.
//
// An object storage system can implement one, multiple, or all functions.
//
//   - Optional (mandatory if <IAMSTS> is true): Set Endpoints for IAM and STS processing.
//
//   - Optional: Set server preferences for Backup & Replication parallel sessions, batch size of deletes, and block sizes (before

		if err != nil {
			continue
		}

		mrfRec, err = loadMRF(rc)
		if err != nil {
			continue
		}

		// finally delete the file after processing mrf entries
		localDrive.Delete(p.ctx, minioMetaBucket, pathJoin(replicationMRFDir, globalLocalNodeNameHex+".bin"), DeleteOptions{})
		break
	}

	return mrfRec, nil
}

	// actions records actions performed.
	actions        [lifecycle.ActionCount]uint64
	actionsLatency [lifecycle.ActionCount]lockedLastMinuteLatency

	// currentPaths contains (string,*currentPathTracker) for each disk processing.
	// Alignment not required.
	currentPaths sync.Map

	cycleInfoMu sync.Mutex
	cycleInfo   *currentScannerCycle
}

var globalScannerMetrics scannerMetrics

const (

	token := r.Form.Get(stsToken)
	if token == "" {
		token = r.Form.Get(stsWebIdentityToken)
	}

	accessToken := r.Form.Get(stsWebIdentityAccessToken)

	// RoleARN parameter processing: If a role ARN is given in the request, we
	// use that and validate the authentication request. If not, we assume this
	// is an STS request for a claim based IDP (if one is present) and set
	// roleArn = openid.DummyRoleARN.