./mc cp --enc-s3 "sitea/" --quiet /etc/hosts sitea/bucket
sleep 1

echo "Copying data to source sitea/olockbucket"
./mc cp --quiet /etc/hosts sitea/olockbucket
sleep 1

echo "Verifying the metadata difference between source and target"
if diff -pruN <(./mc stat --json sitea/bucket/hosts | jq .) <(./mc stat --json siteb/bucket/hosts | jq .) | grep -q 'COMPLETED\|REPLICA'; then
	echo "verified sitea-> COMPLETED, siteb-> REPLICA"
fi

      SortedMap<K, ? extends V> sortedLeft = (SortedMap<K, ? extends V>) left;
      return difference(sortedLeft, right);
    }
    return difference(left, right, Equivalence.equals());
  }

  /**
   * Computes the difference between two maps. This difference is an immutable snapshot of the state
   * of the maps at the time this method is called. It will never change, even if the maps change at
   * a later time.
   *

	metric.Avg = metric.Sum / float64(metric.Count)
	subsysMetrics[key] = metric

	resourceMetricsMap[subSys] = subsysMetrics
}

// updateDriveIOStats - Updates the drive IO stats by calculating the difference between the current and latest updated values.
func updateDriveIOStats(currentStats madmin.DiskIOStats, latestStats madmin.DiskIOStats, labels map[string]string) {
	sectorSize := uint64(512)
	kib := float64(1 << 10)

	policiesToUpdate := set.CreateStringSet(policies...)
	var newPolicySet set.StringSet
	newPolicyMapping := mp
	if isAttach {
		// new policies to attach => inputPolicies - existing (set difference)
		policiesToUpdate = policiesToUpdate.Difference(existingPolicySet)
		// validate that new policies to add are defined.
		for _, p := range policiesToUpdate.ToSlice() {
			if _, found := cache.iamPolicyDocsMap[p]; !found {

				bucketsToBeUpdated.Add(bucket.Name)
				continue
			}
			if !globalDomainIPs.Intersection(set.CreateStringSet(getHostsSlice(r)...)).IsEmpty() {
				if globalDomainIPs.Difference(set.CreateStringSet(getHostsSlice(r)...)).IsEmpty() && !domainMissing {
					// No difference in terms of domainIPs and nothing
					// has changed so we don't change anything on the etcd.
					//
					// Additionally also check if domain is updated/missing with more

const (
	// Limit fields size (except file) to 1Mib since Policy document
	// can reach that size according to https://aws.amazon.com/articles/1434
	maxFormFieldSize = int64(1 * humanize.MiByte)

	// The maximum allowed time difference between the incoming request
	// date and server date during signature verification.
	globalMaxSkewTime = 15 * time.Minute // 15 minutes skew allowed.

	if delta < 0 {
		delta *= -1
	}
	if delta > DefaultSkewTime {
		return errSkewedAuthTime
	}

	return nil
}

// IsAuthValid - To authenticate and verify the time difference.
func (s *storageRESTServer) IsAuthValid(w http.ResponseWriter, r *http.Request) bool {
	if s.getStorage() == nil {
		s.writeErrorResponse(w, errDiskNotFound)
		return false
	}

		HTTPStatusCode: http.StatusPreconditionFailed,
	},
	ErrRequestTimeTooSkewed: {
		Code:           "RequestTimeTooSkewed",
		Description:    "The difference between the request time and the server's time is too large.",
		HTTPStatusCode: http.StatusForbidden,
	},
	ErrSignatureDoesNotMatch: {
		Code:           "SignatureDoesNotMatch",

		validPolicies, _ := sys.store.FilterPolicies(rolePolicies, "")
		knownPoliciesSet := newMappedPolicy(validPolicies).policySet()
		unknownPoliciesSet := specifiedPoliciesSet.Difference(knownPoliciesSet)
		if len(unknownPoliciesSet) > 0 {
			authz := newGlobalAuthZPluginFn()
			if authz == nil {
				// Print a warning that some policies mapped to a role are not defined.
				errMsg := fmt.Errorf(

// returns a slice with site names participating in site replciation but unspecified while adding
// a new site.
func getMissingSiteNames(oldDeps, newDeps set.StringSet, currSites []madmin.PeerInfo) []string {
	diff := oldDeps.Difference(newDeps)
	var diffSlc []string
	for _, v := range currSites {
		if diff.Contains(v.DeploymentID) {
			diffSlc = append(diffSlc, v.Name)
		}
	}
	return diffSlc
}