return &ReqInfo{
		RemoteHost:   remoteHost,
		UserAgent:    userAgent,
		API:          api,
		DeploymentID: deploymentID,
		RequestID:    requestID,
		BucketName:   bucket,
		ObjectName:   object,
	}
}

// AppendTags - appends key/val to ReqInfo.tags
func (r *ReqInfo) AppendTags(key, val string) *ReqInfo {
	if r == nil {
		return nil
	}
	r.Lock()

			timeToFirstByte = tc.ResponseRecorder.TTFB()
		}

		entry.AccessKey = reqInfo.Cred.AccessKey
		entry.ParentUser = reqInfo.Cred.ParentUser

		entry.API.Name = reqInfo.API
		entry.API.Bucket = reqInfo.BucketName
		entry.API.Object = reqInfo.ObjectName
		entry.API.Objects = make([]audit.ObjectVersion, 0, len(reqInfo.Objects))
		for _, ov := range reqInfo.Objects {
			entry.API.Objects = append(entry.API.Objects, audit.ObjectVersion{

					// context already canceled no retries.
					retryCount = 0
				}

				// Last iteration log the error.
				if i == retryCount-1 {
					reqInfo := (&logger.ReqInfo{}).AppendTags("peerAddress", addr.String())
					ctx := logger.SetReqInfo(ctx, reqInfo)
					peersLogOnceIf(ctx, err, addr.String())
				}

				// Wait for a minimum of 100ms and dynamically increase this based on number of attempts.

			defer wg.Done()

			if err := target.Save(event); err != nil {
				list.eventsErrorsTotal.Add(1)
				list.incFailedEvents(id)
				reqInfo := &logger.ReqInfo{}
				reqInfo.AppendTags("targetID", id.String())
				logger.LogOnceIf(logger.SetReqInfo(context.Background(), reqInfo), logSubsys, err, id.String())
			}
		}(id, target)
	}
	wg.Wait()
	list.totalEvents.Add(1)
}

	var mutex sync.Mutex
	printOnce := make(map[Endpoint]map[string]int)

	return func(endpoint Endpoint, err error, once bool) {
		reqInfo := (&logger.ReqInfo{}).AppendTags("endpoint", endpoint.String())
		ctx := logger.SetReqInfo(GlobalContext, reqInfo)
		mutex.Lock()
		defer mutex.Unlock()

		m, ok := printOnce[endpoint]
		if !ok {
			m = make(map[string]int)
			printOnce[endpoint] = m
			if once {

				reqInfo := (&logger.ReqInfo{}).AppendTags(
					"host",
					endpoints[i].Hostname(),
				)

				if orchestrated && hostResolveToLocalhost(endpoints[i]) {
					// time elapsed
					timeElapsed := time.Since(startTime)
					// log error only if more than a second has elapsed
					if timeElapsed > time.Second {
						reqInfo.AppendTags("elapsedTime",

	reqInfo := logger.GetReqInfo(ctx)
	if reqInfo == nil {
		return ErrAccessDenied
	}

	cred := reqInfo.Cred
	owner := reqInfo.Owner
	region := reqInfo.Region
	bucket := reqInfo.BucketName
	object := reqInfo.ObjectName
	versionID := reqInfo.VersionID

	if action != policy.ListAllMyBucketsAction && cred.AccessKey == "" {

)

// NewBgHealSequence creates a background healing sequence
// operation which scans all objects and heal them.
func newBgHealSequence() *healSequence {
	reqInfo := &logger.ReqInfo{API: "BackgroundHeal"}
	ctx, cancelCtx := context.WithCancel(logger.SetReqInfo(GlobalContext, reqInfo))

	hs := madmin.HealOpts{
		// Remove objects that do not have read-quorum
		Remove: healDeleteDangling,
	}

	return &healSequence{

	// The top level handler might not have this information.
	reqInfo := logger.GetReqInfo(ctx)
	var newReqInfo *logger.ReqInfo
	if reqInfo != nil {
		newReqInfo = logger.NewReqInfo(reqInfo.RemoteHost, reqInfo.UserAgent, reqInfo.DeploymentID, reqInfo.RequestID, reqInfo.API, bucket, object)
	} else {
		newReqInfo = logger.NewReqInfo("", "", globalDeploymentID(), "", "Heal", bucket, object)

	}
	return ctx
}

// Returns context with ReqInfo details set in the context.
func newContext(r *http.Request, w http.ResponseWriter, api string) context.Context {
	reqID := w.Header().Get(xhttp.AmzRequestID)

	vars := mux.Vars(r)
	bucket := vars["bucket"]
	object := likelyUnescapeGeneric(vars["object"], url.PathUnescape)
	reqInfo := &logger.ReqInfo{
		DeploymentID: globalDeploymentID(),
		RequestID:    reqID,