wg.Wait()
	return nil
}

func (s *peerRESTServer) BackgroundHealStatusHandler(_ *grid.MSS) (*grid.JSON[madmin.BgHealState], *grid.RemoteErr) {
	state, ok := getLocalBackgroundHealStatus(context.Background(), newObjectLayerFn())
	if !ok {
		return nil, grid.NewRemoteErr(errServerNotInitialized)
	}
	return madminBgHealState.NewJSONWith(&state), nil
}

	// all bucket entries with new domain name.
	domainMissing := err == dns.ErrDomainMissing
	if dnsBuckets != nil {
		for _, bucket := range buckets {
			bucketsSet.Add(bucket.Name)
			r, ok := dnsBuckets[bucket.Name]
			if !ok {
				bucketsToBeUpdated.Add(bucket.Name)
				continue
			}
			if !globalDomainIPs.Intersection(set.CreateStringSet(getHostsSlice(r)...)).IsEmpty() {

	for k, v := range objInfo.Metadata {
		oi.UserDefined[k] = v[0]
	}

	ce, ok := oi.UserDefined[xhttp.ContentEncoding]
	if !ok {
		ce, ok = oi.UserDefined[strings.ToLower(xhttp.ContentEncoding)]
	}
	if ok {
		oi.ContentEncoding = ce
	}

	_, ok = oi.UserDefined[xhttp.AmzStorageClass]
	if !ok {
		oi.UserDefined[xhttp.AmzStorageClass] = objInfo.StorageClass
	}

		// verify if it has common "etag" at least.
		if onlineMeta[i].IsValid() && onlineMeta[i].Erasure.Equal(fi.Erasure) {
			ok := onlineMeta[i].ModTime.Equal(modTime)
			if modTime.IsZero() || modTime.Equal(timeSentinel) {
				ok = etag != "" && etag == fi.Metadata["etag"]
			}
			if ok {
				continue
			}
		} // in all other cases metadata is corrupt, do not read from it.

		onlineMeta[i] = FileInfo{}

					switch name {
					case "Name":
						if _, ok := first[dbName].(string); !ok {
							t.Errorf("invalid data type for %v, got %#v", dbName, first[dbName])
						}
					case "Age":
						if _, ok := first[dbName].(uint); !ok {
							t.Errorf("invalid data type for %v, got %#v", dbName, first[dbName])
						}
					case "Birthday":
						if _, ok := first[dbName].(*time.Time); !ok {

        try {
            final PingResponse pingResponse = searchEngineClient.ping();
            writeJsonResponse(pingResponse.getStatus() == 0 ? HttpServletResponse.SC_OK : HttpServletResponse.SC_SERVICE_UNAVAILABLE,
                    "\"data\":" + pingResponse.getMessage());
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {

	if objectAPI == nil {
		return
	}

	vars := mux.Vars(r)
	accessKey := vars["accessKey"]

	ok, _, err := globalIAMSys.IsTempUser(accessKey)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}
	if ok {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errIAMActionNotAllowed), r.URL)
		return
	}

	}
	fi.DataDir = uuid.UUID(j.DataDir).String()

	if st, ok := j.MetaSys[metaTierStatus]; ok {
		fi.TransitionStatus = string(st)
	}
	if o, ok := j.MetaSys[metaTierObjName]; ok {
		fi.TransitionedObjName = string(o)
	}
	if rv, ok := j.MetaSys[metaTierVersionID]; ok {
		fi.TransitionVersionID = string(rv)
	}
	if sc, ok := j.MetaSys[metaTierName]; ok {
		fi.TransitionTier = string(sc)
	}

	for i, tc := range tests {
		w := httptest.NewRecorder()
		lc.SetPredictionHeaders(w, tc.obj)
		if expHdrs, ok := w.Header()[xhttp.AmzExpiration]; ok && !strings.Contains(expHdrs[0], lc.Rules[tc.expRuleID].ID) {
			t.Fatalf("Test %d: Expected %s header", i+1, xhttp.AmzExpiration)
		}
		if transHdrs, ok := w.Header()[xhttp.MinIOTransition]; ok {
			if !strings.Contains(transHdrs[0], lc.Rules[tc.transRuleID].ID) {

	// Get header map.
	headerMap := make(map[string][]string)
	for k, vv := range req.Header {
		// If request header key is not in ignored headers, then add it.
		if _, ok := ignoredStreamingHeaders[http.CanonicalHeaderKey(k)]; !ok {
			headerMap[strings.ToLower(k)] = vv
		}
	}

	// Get header keys.
	headers := []string{"host"}
	for k := range headerMap {
		headers = append(headers, k)
	}