diff --git a/actions/log.go b/actions/log.go
index 93f473faf..fd69e41e5 100644
--- a/actions/log.go
+++ b/actions/log.go
@@ -79,7 +79,7 @@ func (aL *actCDRLog) execute(ctx *context.Context, data utils.MapStorage, _ stri
 		utils.MetaCDR: utils.NewOrderedNavigableMap(),
 	}
 	// construct an AgentRequest so we can build the reply and send it to CDRServer
-	cdrLogReq := engine.NewExportRequest(map[string]utils.MapStorage{
+	cdrLogReq := engine.NewExportRequest(map[string]utils.DataStorage{
 		utils.MetaReq:  reqNm,
 		utils.MetaOpts: optsMS,
 		utils.MetaCfg:  aL.config.GetDataProvider(),
diff --git a/ees/ee.go b/ees/ee.go
index c33a4c531..33c6de161 100644
--- a/ees/ee.go
+++ b/ees/ee.go
@@ -30,12 +30,12 @@ type EventExporter interface {
 	ID() string                                    // return the exporter identificator
 	ExportEvent(cgrEv *utils.CGREvent) (err error) // called on each event to be exported
 	OnEvicted(itmID string, value interface{})     // called when the exporter needs to terminate
-	GetMetrics() utils.MapStorage                  // called to get metrics
+	GetMetrics() *utils.SafeMapStorage             // called to get metrics
 }
 
 // NewEventExporter produces exporters
 func NewEventExporter(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS) (ee EventExporter, err error) {
-	var dc utils.MapStorage
+	var dc *utils.SafeMapStorage
 	if dc, err = newEEMetrics(utils.FirstNonEmpty(
 		cgrCfg.EEsCfg().Exporters[cfgIdx].Timezone,
 		cgrCfg.GeneralCfg().DefaultTimezone)); err != nil {
diff --git a/ees/ee_test.go b/ees/ee_test.go
index 5cfd530d6..736bd525e 100644
--- a/ees/ee_test.go
+++ b/ees/ee_test.go
@@ -53,11 +53,11 @@ func TestNewEventExporter(t *testing.T) {
 		t.Error("\nExpected an error")
 	}
 	newEE := ee.(*FileCSVee)
-	newEE.dc[utils.TimeNow] = nil
-	newEE.dc[utils.ExportPath] = nil
+	newEE.dc.MapStorage[utils.TimeNow] = nil
+	newEE.dc.MapStorage[utils.ExportPath] = nil
 	eeExpect.csvWriter = nil
-	eeExpect.dc[utils.TimeNow] = nil
-	eeExpect.dc[utils.ExportPath] = nil
+	eeExpect.dc.MapStorage[utils.TimeNow] = nil
+	eeExpect.dc.MapStorage[utils.ExportPath] = nil
 	if !reflect.DeepEqual(eeExpect, newEE) {
 		t.Errorf("Expected %+v \n but got %+v", utils.ToJSON(eeExpect), utils.ToJSON(newEE))
 	}
@@ -89,10 +89,10 @@ func TestNewEventExporterCase2(t *testing.T) {
 		t.Error("\nExpected an error")
 	}
 	newEE := ee.(*FileFWVee)
-	newEE.dc[utils.TimeNow] = nil
-	newEE.dc[utils.ExportPath] = nil
-	eeExpect.dc[utils.TimeNow] = nil
-	eeExpect.dc[utils.ExportPath] = nil
+	newEE.dc.MapStorage[utils.TimeNow] = nil
+	newEE.dc.MapStorage[utils.ExportPath] = nil
+	eeExpect.dc.MapStorage[utils.TimeNow] = nil
+	eeExpect.dc.MapStorage[utils.ExportPath] = nil
 	if !reflect.DeepEqual(eeExpect, newEE) {
 		t.Errorf("Expected %+v \n but got %+v", utils.ToJSON(eeExpect), utils.ToJSON(newEE))
 	}
@@ -118,8 +118,8 @@ func TestNewEventExporterCase3(t *testing.T) {
 		t.Error(err)
 	}
 	newEE := ee.(*HTTPPost)
-	newEE.dc[utils.TimeNow] = nil
-	eeExpect.dc[utils.TimeNow] = nil
+	newEE.dc.MapStorage[utils.TimeNow] = nil
+	eeExpect.dc.MapStorage[utils.TimeNow] = nil
 	if !reflect.DeepEqual(eeExpect, newEE) {
 		t.Errorf("Expected %+v \n but got %+v", utils.ToJSON(eeExpect), utils.ToJSON(newEE))
 	}
@@ -145,8 +145,8 @@ func TestNewEventExporterCase4(t *testing.T) {
 		t.Error(err)
 	}
 	newEE := ee.(*HTTPjsonMapEE)
-	newEE.dc[utils.TimeNow] = nil
-	eeExpect.dc[utils.TimeNow] = nil
+	newEE.dc.MapStorage[utils.TimeNow] = nil
+	eeExpect.dc.MapStorage[utils.TimeNow] = nil
 	if !reflect.DeepEqual(eeExpect, newEE) {
 		t.Errorf("Expected %+v \n but got %+v", utils.ToJSON(eeExpect), utils.ToJSON(newEE))
 	}
@@ -172,8 +172,8 @@ func TestNewEventExporterCase5(t *testing.T) {
 		t.Error(err)
 	}
 	newEE := ee.(*PosterJSONMapEE)
-	newEE.dc[utils.TimeNow] = nil
-	eeExpect.dc[utils.TimeNow] = nil
+	newEE.dc.MapStorage[utils.TimeNow] = nil
+	eeExpect.dc.MapStorage[utils.TimeNow] = nil
 	if !reflect.DeepEqual(eeExpect, newEE) {
 		t.Errorf("Expected %+v \n but got %+v", utils.ToJSON(eeExpect), utils.ToJSON(newEE))
 	}
@@ -199,8 +199,8 @@ func TestNewEventExporterCase6(t *testing.T) {
 		t.Error(err)
 	}
 	newEE := ee.(*VirtualEe)
-	newEE.dc[utils.TimeNow] = nil
-	eeExpect.dc[utils.TimeNow] = nil
+	newEE.dc.MapStorage[utils.TimeNow] = nil
+	eeExpect.dc.MapStorage[utils.TimeNow] = nil
 	if !reflect.DeepEqual(eeExpect, newEE) {
 		t.Errorf("Expected %+v \n but got %+v", utils.ToJSON(eeExpect), utils.ToJSON(newEE))
 	}
@@ -239,8 +239,8 @@ func TestNewEventExporterCase7(t *testing.T) {
 		t.Error(err)
 	}
 	newEE := ee.(*ElasticEe)
-	newEE.dc[utils.TimeNow] = nil
-	eeExpect.dc[utils.TimeNow] = nil
+	newEE.dc.MapStorage[utils.TimeNow] = nil
+	eeExpect.dc.MapStorage[utils.TimeNow] = nil
 	eeExpect.eClnt = newEE.eClnt
 	if !reflect.DeepEqual(eeExpect, newEE) {
 		t.Errorf("Expected %+v \n but got %+v", eeExpect, newEE)
diff --git a/ees/ees.go b/ees/ees.go
index 66566bf65..cf9124e15 100644
--- a/ees/ees.go
+++ b/ees/ees.go
@@ -216,7 +216,7 @@ func (eeS *EventExporterS) V1ProcessEvent(cgrEv *utils.CGREventWithEeIDs, rply *
 			if sync {
 				if hasVerbose {
 					metricMapLock.Lock()
-					metricsMap[ee.ID()] = ee.GetMetrics()
+					metricsMap[ee.ID()] = ee.GetMetrics().MapStorage
 					metricMapLock.Unlock()
 				}
 				wg.Done()
@@ -254,86 +254,93 @@ func (eeS *EventExporterS) V1ProcessEvent(cgrEv *utils.CGREventWithEeIDs, rply *
 	return
 }
 
-func newEEMetrics(location string) (utils.MapStorage, error) {
+func newEEMetrics(location string) (*utils.SafeMapStorage, error) {
 	tNow := time.Now()
 	loc, err := time.LoadLocation(location)
 	if err != nil {
 		return nil, err
 	}
-	return utils.MapStorage{
+	return &utils.SafeMapStorage{MapStorage: utils.MapStorage{
 		utils.NumberOfEvents:  int64(0),
 		utils.PositiveExports: utils.StringSet{},
 		utils.NegativeExports: utils.StringSet{},
 		utils.TimeNow: time.Date(tNow.Year(), tNow.Month(), tNow.Day(),
 			tNow.Hour(), tNow.Minute(), tNow.Second(), tNow.Nanosecond(), loc),
-	}, nil
+	}}, nil
 }
 
-func updateEEMetrics(dc utils.MapStorage, ev engine.MapEvent, timezone string) {
+func updateEEMetrics(dc *utils.SafeMapStorage, cgrID string, ev engine.MapEvent, hasError bool, timezone string) {
+	dc.Lock()
+	defer dc.Unlock()
+	if hasError {
+		dc.MapStorage[utils.NegativeExports].(utils.StringSet).Add(cgrID)
+	} else {
+		dc.MapStorage[utils.PositiveExports].(utils.StringSet).Add(cgrID)
+	}
 	if aTime, err := ev.GetTime(utils.AnswerTime, timezone); err == nil {
-		if _, has := dc[utils.FirstEventATime]; !has {
-			dc[utils.FirstEventATime] = time.Time{}
+		if _, has := dc.MapStorage[utils.FirstEventATime]; !has {
+			dc.MapStorage[utils.FirstEventATime] = time.Time{}
 		}
-		if _, has := dc[utils.LastEventATime]; !has {
-			dc[utils.LastEventATime] = time.Time{}
+		if _, has := dc.MapStorage[utils.LastEventATime]; !has {
+			dc.MapStorage[utils.LastEventATime] = time.Time{}
 		}
-		if dc[utils.FirstEventATime].(time.Time).IsZero() ||
-			aTime.Before(dc[utils.FirstEventATime].(time.Time)) {
-			dc[utils.FirstEventATime] = aTime
+		if dc.MapStorage[utils.FirstEventATime].(time.Time).IsZero() ||
+			aTime.Before(dc.MapStorage[utils.FirstEventATime].(time.Time)) {
+			dc.MapStorage[utils.FirstEventATime] = aTime
 		}
-		if aTime.After(dc[utils.LastEventATime].(time.Time)) {
-			dc[utils.LastEventATime] = aTime
+		if aTime.After(dc.MapStorage[utils.LastEventATime].(time.Time)) {
+			dc.MapStorage[utils.LastEventATime] = aTime
 		}
 	}
 	if oID, err := ev.GetTInt64(utils.OrderID); err == nil {
-		if _, has := dc[utils.FirstExpOrderID]; !has {
-			dc[utils.FirstExpOrderID] = int64(0)
+		if _, has := dc.MapStorage[utils.FirstExpOrderID]; !has {
+			dc.MapStorage[utils.FirstExpOrderID] = int64(0)
 		}
-		if _, has := dc[utils.LastExpOrderID]; !has {
-			dc[utils.LastExpOrderID] = int64(0)
+		if _, has := dc.MapStorage[utils.LastExpOrderID]; !has {
+			dc.MapStorage[utils.LastExpOrderID] = int64(0)
 		}
-		if dc[utils.FirstExpOrderID].(int64) == 0 ||
-			dc[utils.FirstExpOrderID].(int64) > oID {
-			dc[utils.FirstExpOrderID] = oID
+		if dc.MapStorage[utils.FirstExpOrderID].(int64) == 0 ||
+			dc.MapStorage[utils.FirstExpOrderID].(int64) > oID {
+			dc.MapStorage[utils.FirstExpOrderID] = oID
 		}
-		if dc[utils.LastExpOrderID].(int64) < oID {
-			dc[utils.LastExpOrderID] = oID
+		if dc.MapStorage[utils.LastExpOrderID].(int64) < oID {
+			dc.MapStorage[utils.LastExpOrderID] = oID
 		}
 	}
 	if cost, err := ev.GetFloat64(utils.Cost); err == nil {
-		if _, has := dc[utils.TotalCost]; !has {
-			dc[utils.TotalCost] = float64(0.0)
+		if _, has := dc.MapStorage[utils.TotalCost]; !has {
+			dc.MapStorage[utils.TotalCost] = float64(0.0)
 		}
-		dc[utils.TotalCost] = dc[utils.TotalCost].(float64) + cost
+		dc.MapStorage[utils.TotalCost] = dc.MapStorage[utils.TotalCost].(float64) + cost
 	}
 	if tor, err := ev.GetString(utils.ToR); err == nil {
 		if usage, err := ev.GetDuration(utils.Usage); err == nil {
 			switch tor {
 			case utils.MetaVoice:
-				if _, has := dc[utils.TotalDuration]; !has {
-					dc[utils.TotalDuration] = time.Duration(0)
+				if _, has := dc.MapStorage[utils.TotalDuration]; !has {
+					dc.MapStorage[utils.TotalDuration] = time.Duration(0)
 				}
-				dc[utils.TotalDuration] = dc[utils.TotalDuration].(time.Duration) + usage
+				dc.MapStorage[utils.TotalDuration] = dc.MapStorage[utils.TotalDuration].(time.Duration) + usage
 			case utils.MetaSMS:
-				if _, has := dc[utils.TotalSMSUsage]; !has {
-					dc[utils.TotalSMSUsage] = time.Duration(0)
+				if _, has := dc.MapStorage[utils.TotalSMSUsage]; !has {
+					dc.MapStorage[utils.TotalSMSUsage] = time.Duration(0)
 				}
-				dc[utils.TotalSMSUsage] = dc[utils.TotalSMSUsage].(time.Duration) + usage
+				dc.MapStorage[utils.TotalSMSUsage] = dc.MapStorage[utils.TotalSMSUsage].(time.Duration) + usage
 			case utils.MetaMMS:
-				if _, has := dc[utils.TotalMMSUsage]; !has {
-					dc[utils.TotalMMSUsage] = time.Duration(0)
+				if _, has := dc.MapStorage[utils.TotalMMSUsage]; !has {
+					dc.MapStorage[utils.TotalMMSUsage] = time.Duration(0)
 				}
-				dc[utils.TotalMMSUsage] = dc[utils.TotalMMSUsage].(time.Duration) + usage
+				dc.MapStorage[utils.TotalMMSUsage] = dc.MapStorage[utils.TotalMMSUsage].(time.Duration) + usage
 			case utils.MetaGeneric:
-				if _, has := dc[utils.TotalGenericUsage]; !has {
-					dc[utils.TotalGenericUsage] = time.Duration(0)
+				if _, has := dc.MapStorage[utils.TotalGenericUsage]; !has {
+					dc.MapStorage[utils.TotalGenericUsage] = time.Duration(0)
 				}
-				dc[utils.TotalGenericUsage] = dc[utils.TotalGenericUsage].(time.Duration) + usage
+				dc.MapStorage[utils.TotalGenericUsage] = dc.MapStorage[utils.TotalGenericUsage].(time.Duration) + usage
 			case utils.MetaData:
-				if _, has := dc[utils.TotalDataUsage]; !has {
-					dc[utils.TotalDataUsage] = time.Duration(0)
+				if _, has := dc.MapStorage[utils.TotalDataUsage]; !has {
+					dc.MapStorage[utils.TotalDataUsage] = time.Duration(0)
 				}
-				dc[utils.TotalDataUsage] = dc[utils.TotalDataUsage].(time.Duration) + usage
+				dc.MapStorage[utils.TotalDataUsage] = dc.MapStorage[utils.TotalDataUsage].(time.Duration) + usage
 			}
 		}
 	}
diff --git a/ees/ees_test.go b/ees/ees_test.go
index 4cc7f1895..2cd7ffd82 100644
--- a/ees/ees_test.go
+++ b/ees/ees_test.go
@@ -307,12 +307,12 @@ func (mockEventExporter) ExportEvent(cgrEv *utils.CGREvent) error { return nil }
 func (mockEventExporter) OnEvicted(itdmID string, value interface{}) {
 	utils.Logger.Warning("NOT IMPLEMENTED")
 }
-func (mockEventExporter) GetMetrics() utils.MapStorage {
-	return utils.MapStorage{
+func (mockEventExporter) GetMetrics() *utils.SafeMapStorage {
+	return &utils.SafeMapStorage{MapStorage: utils.MapStorage{
 		utils.NumberOfEvents:  int64(0),
 		utils.PositiveExports: utils.StringSet{},
 		utils.NegativeExports: 5,
-	}
+	}}
 }
 
 func TestV1ProcessEventMockMetrics(t *testing.T) {
@@ -449,14 +449,15 @@ func TestUpdateEEMetrics(t *testing.T) {
 		utils.Usage:      time.Second,
 	}
 	exp, _ := newEEMetrics(utils.EmptyString)
-	exp[utils.FirstEventATime] = tnow
-	exp[utils.LastEventATime] = tnow
-	exp[utils.FirstExpOrderID] = int64(1)
-	exp[utils.LastExpOrderID] = int64(1)
-	exp[utils.TotalCost] = float64(5.5)
-	exp[utils.TotalDuration] = time.Second
-	exp[utils.TimeNow] = dc[utils.TimeNow]
-	if updateEEMetrics(dc, ev, utils.EmptyString); !reflect.DeepEqual(dc, exp) {
+	exp.MapStorage[utils.FirstEventATime] = tnow
+	exp.MapStorage[utils.LastEventATime] = tnow
+	exp.MapStorage[utils.FirstExpOrderID] = int64(1)
+	exp.MapStorage[utils.LastExpOrderID] = int64(1)
+	exp.MapStorage[utils.TotalCost] = float64(5.5)
+	exp.MapStorage[utils.TotalDuration] = time.Second
+	exp.MapStorage[utils.TimeNow] = dc.MapStorage[utils.TimeNow]
+	exp.MapStorage[utils.PositiveExports] = utils.StringSet{"": {}}
+	if updateEEMetrics(dc, "", ev, false, utils.EmptyString); !reflect.DeepEqual(dc, exp) {
 		t.Errorf("Expected: %s,received: %s", utils.ToJSON(exp), utils.ToJSON(dc))
 	}
 
@@ -468,11 +469,11 @@ func TestUpdateEEMetrics(t *testing.T) {
 		utils.ToR:        utils.MetaSMS,
 		utils.Usage:      time.Second,
 	}
-	exp[utils.LastEventATime] = tnow
-	exp[utils.LastExpOrderID] = int64(2)
-	exp[utils.TotalCost] = float64(11)
-	exp[utils.TotalSMSUsage] = time.Second
-	if updateEEMetrics(dc, ev, utils.EmptyString); !reflect.DeepEqual(dc, exp) {
+	exp.MapStorage[utils.LastEventATime] = tnow
+	exp.MapStorage[utils.LastExpOrderID] = int64(2)
+	exp.MapStorage[utils.TotalCost] = float64(11)
+	exp.MapStorage[utils.TotalSMSUsage] = time.Second
+	if updateEEMetrics(dc, "", ev, false, utils.EmptyString); !reflect.DeepEqual(dc, exp) {
 		t.Errorf("Expected: %s,received: %s", utils.ToJSON(exp), utils.ToJSON(dc))
 	}
 
@@ -484,11 +485,11 @@ func TestUpdateEEMetrics(t *testing.T) {
 		utils.ToR:        utils.MetaMMS,
 		utils.Usage:      time.Second,
 	}
-	exp[utils.LastEventATime] = tnow
-	exp[utils.LastExpOrderID] = int64(3)
-	exp[utils.TotalCost] = float64(16.5)
-	exp[utils.TotalMMSUsage] = time.Second
-	if updateEEMetrics(dc, ev, utils.EmptyString); !reflect.DeepEqual(dc, exp) {
+	exp.MapStorage[utils.LastEventATime] = tnow
+	exp.MapStorage[utils.LastExpOrderID] = int64(3)
+	exp.MapStorage[utils.TotalCost] = float64(16.5)
+	exp.MapStorage[utils.TotalMMSUsage] = time.Second
+	if updateEEMetrics(dc, "", ev, false, utils.EmptyString); !reflect.DeepEqual(dc, exp) {
 		t.Errorf("Expected: %s,received: %s", utils.ToJSON(exp), utils.ToJSON(dc))
 	}
 
@@ -500,11 +501,11 @@ func TestUpdateEEMetrics(t *testing.T) {
 		utils.ToR:        utils.MetaGeneric,
 		utils.Usage:      time.Second,
 	}
-	exp[utils.LastEventATime] = tnow
-	exp[utils.LastExpOrderID] = int64(4)
-	exp[utils.TotalCost] = float64(22)
-	exp[utils.TotalGenericUsage] = time.Second
-	if updateEEMetrics(dc, ev, utils.EmptyString); !reflect.DeepEqual(dc, exp) {
+	exp.MapStorage[utils.LastEventATime] = tnow
+	exp.MapStorage[utils.LastExpOrderID] = int64(4)
+	exp.MapStorage[utils.TotalCost] = float64(22)
+	exp.MapStorage[utils.TotalGenericUsage] = time.Second
+	if updateEEMetrics(dc, "", ev, false, utils.EmptyString); !reflect.DeepEqual(dc, exp) {
 		t.Errorf("Expected: %s,received: %s", utils.ToJSON(exp), utils.ToJSON(dc))
 	}
 
@@ -516,11 +517,11 @@ func TestUpdateEEMetrics(t *testing.T) {
 		utils.ToR:        utils.MetaData,
 		utils.Usage:      time.Second,
 	}
-	exp[utils.LastEventATime] = tnow
-	exp[utils.LastExpOrderID] = int64(5)
-	exp[utils.TotalCost] = float64(27.5)
-	exp[utils.TotalDataUsage] = time.Second
-	if updateEEMetrics(dc, ev, utils.EmptyString); !reflect.DeepEqual(dc, exp) {
+	exp.MapStorage[utils.LastEventATime] = tnow
+	exp.MapStorage[utils.LastExpOrderID] = int64(5)
+	exp.MapStorage[utils.TotalCost] = float64(27.5)
+	exp.MapStorage[utils.TotalDataUsage] = time.Second
+	if updateEEMetrics(dc, "", ev, false, utils.EmptyString); !reflect.DeepEqual(dc, exp) {
 		t.Errorf("Expected: %s,received: %s", utils.ToJSON(exp), utils.ToJSON(dc))
 	}
 }
diff --git a/ees/elastic.go b/ees/elastic.go
index 93b66ca88..80521105e 100644
--- a/ees/elastic.go
+++ b/ees/elastic.go
@@ -23,7 +23,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"strings"
-	"sync"
 
 	"github.com/elastic/go-elasticsearch/esapi"
 
@@ -34,7 +33,7 @@ import (
 )
 
 func NewElasticExporter(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS,
-	dc utils.MapStorage) (eEe *ElasticEe, err error) {
+	dc *utils.SafeMapStorage) (eEe *ElasticEe, err error) {
 	eEe = &ElasticEe{id: cgrCfg.EEsCfg().Exporters[cfgIdx].ID,
 		cgrCfg: cgrCfg, cfgIdx: cfgIdx, filterS: filterS, dc: dc}
 	err = eEe.init()
@@ -48,9 +47,8 @@ type ElasticEe struct {
 	cgrCfg  *config.CGRConfig
 	cfgIdx  int // index of config instance within ERsCfg.Readers
 	filterS *engine.FilterS
-	sync.RWMutex
-	dc   utils.MapStorage
-	opts esapi.IndexRequest // this variable is used only for storing the options from OptsMap
+	dc      *utils.SafeMapStorage
+	opts    esapi.IndexRequest // this variable is used only for storing the options from OptsMap
 }
 
 // init will create all the necessary dependencies, including opening the file
@@ -124,17 +122,13 @@ func (eEe *ElasticEe) OnEvicted(_ string, _ interface{}) {
 
 // ExportEvent implements EventExporter
 func (eEe *ElasticEe) ExportEvent(cgrEv *utils.CGREvent) (err error) {
-	eEe.Lock()
 	defer func() {
-		if err != nil {
-			eEe.dc[utils.NegativeExports].(utils.StringSet).Add(cgrEv.ID)
-		} else {
-			eEe.dc[utils.PositiveExports].(utils.StringSet).Add(cgrEv.ID)
-		}
-		eEe.Unlock()
+		updateEEMetrics(eEe.dc, cgrEv.ID, cgrEv.Event, err != nil, utils.FirstNonEmpty(eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Timezone,
+			eEe.cgrCfg.GeneralCfg().DefaultTimezone))
 	}()
-	eEe.dc[utils.NumberOfEvents] = eEe.dc[utils.NumberOfEvents].(int64) + 1
-
+	eEe.dc.Lock()
+	eEe.dc.MapStorage[utils.NumberOfEvents] = eEe.dc.MapStorage[utils.NumberOfEvents].(int64) + 1
+	eEe.dc.Unlock()
 	valMp := make(map[string]interface{})
 	if len(eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].ContentFields()) == 0 {
 		valMp = cgrEv.Event
@@ -142,10 +136,10 @@ func (eEe *ElasticEe) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 		oNm := map[string]*utils.OrderedNavigableMap{
 			utils.MetaExp: utils.NewOrderedNavigableMap(),
 		}
-		eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
-			utils.MetaReq:  cgrEv.Event,
+		eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
+			utils.MetaReq:  utils.MapStorage(cgrEv.Event),
 			utils.MetaDC:   eEe.dc,
-			utils.MetaOpts: cgrEv.APIOpts,
+			utils.MetaOpts: utils.MapStorage(cgrEv.APIOpts),
 			utils.MetaCfg:  eEe.cgrCfg.GetDataProvider(),
 		}, utils.FirstNonEmpty(cgrEv.Tenant, eEe.cgrCfg.GeneralCfg().DefaultTenant),
 			eEe.filterS, oNm)
@@ -159,8 +153,7 @@ func (eEe *ElasticEe) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 			valMp[strings.Join(path, utils.NestingSep)] = nmIt.String()
 		}
 	}
-	updateEEMetrics(eEe.dc, cgrEv.Event, utils.FirstNonEmpty(eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Timezone,
-		eEe.cgrCfg.GeneralCfg().DefaultTimezone))
+
 	// Set up the request object
 	cgrID := utils.FirstNonEmpty(engine.MapEvent(cgrEv.Event).GetStringIgnoreErrors(utils.CGRID), utils.GenUUID())
 	runID := utils.FirstNonEmpty(engine.MapEvent(cgrEv.Event).GetStringIgnoreErrors(utils.RunID), utils.MetaDefault)
@@ -198,6 +191,6 @@ func (eEe *ElasticEe) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 	return
 }
 
-func (eEe *ElasticEe) GetMetrics() utils.MapStorage {
+func (eEe *ElasticEe) GetMetrics() *utils.SafeMapStorage {
 	return eEe.dc.Clone()
 }
diff --git a/ees/filecsv.go b/ees/filecsv.go
index 173f3d05f..0a692c558 100644
--- a/ees/filecsv.go
+++ b/ees/filecsv.go
@@ -24,7 +24,6 @@ import (
 	"io"
 	"os"
 	"path"
-	"sync"
 
 	"github.com/cgrates/cgrates/engine"
 
@@ -33,7 +32,7 @@ import (
 )
 
 func NewFileCSVee(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS,
-	dc utils.MapStorage) (fCsv *FileCSVee, err error) {
+	dc *utils.SafeMapStorage) (fCsv *FileCSVee, err error) {
 	fCsv = &FileCSVee{id: cgrCfg.EEsCfg().Exporters[cfgIdx].ID,
 		cgrCfg: cgrCfg, cfgIdx: cfgIdx, filterS: filterS, dc: dc}
 	err = fCsv.init()
@@ -48,8 +47,7 @@ type FileCSVee struct {
 	filterS   *engine.FilterS
 	file      io.WriteCloser
 	csvWriter *csv.Writer
-	sync.RWMutex
-	dc utils.MapStorage
+	dc        *utils.SafeMapStorage
 }
 
 // init will create all the necessary dependencies, including opening the file
@@ -57,9 +55,9 @@ func (fCsv *FileCSVee) init() (err error) {
 	// create the file
 	filePath := path.Join(fCsv.cgrCfg.EEsCfg().Exporters[fCsv.cfgIdx].ExportPath,
 		fCsv.id+utils.Underline+utils.UUIDSha1Prefix()+utils.CSVSuffix)
-	fCsv.Lock()
-	fCsv.dc[utils.ExportPath] = filePath
-	fCsv.Unlock()
+	fCsv.dc.Lock()
+	fCsv.dc.MapStorage[utils.ExportPath] = filePath
+	fCsv.dc.Unlock()
 	if fCsv.file, err = os.Create(filePath); err != nil {
 		return
 	}
@@ -92,16 +90,13 @@ func (fCsv *FileCSVee) OnEvicted(_ string, _ interface{}) {
 
 // ExportEvent implements EventExporter
 func (fCsv *FileCSVee) ExportEvent(cgrEv *utils.CGREvent) (err error) {
-	fCsv.Lock()
 	defer func() {
-		if err != nil {
-			fCsv.dc[utils.NegativeExports].(utils.StringSet).Add(cgrEv.ID)
-		} else {
-			fCsv.dc[utils.PositiveExports].(utils.StringSet).Add(cgrEv.ID)
-		}
-		fCsv.Unlock()
+		updateEEMetrics(fCsv.dc, cgrEv.ID, cgrEv.Event, err != nil, utils.FirstNonEmpty(fCsv.cgrCfg.EEsCfg().Exporters[fCsv.cfgIdx].Timezone,
+			fCsv.cgrCfg.GeneralCfg().DefaultTimezone))
 	}()
-	fCsv.dc[utils.NumberOfEvents] = fCsv.dc[utils.NumberOfEvents].(int64) + 1
+	fCsv.dc.Lock()
+	fCsv.dc.MapStorage[utils.NumberOfEvents] = fCsv.dc.MapStorage[utils.NumberOfEvents].(int64) + 1
+	fCsv.dc.Unlock()
 
 	var csvRecord []string
 	if len(fCsv.cgrCfg.EEsCfg().Exporters[fCsv.cfgIdx].ContentFields()) == 0 {
@@ -113,10 +108,10 @@ func (fCsv *FileCSVee) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 		oNm := map[string]*utils.OrderedNavigableMap{
 			utils.MetaExp: utils.NewOrderedNavigableMap(),
 		}
-		eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
-			utils.MetaReq:  cgrEv.Event,
+		eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
+			utils.MetaReq:  utils.MapStorage(cgrEv.Event),
 			utils.MetaDC:   fCsv.dc,
-			utils.MetaOpts: cgrEv.APIOpts,
+			utils.MetaOpts: utils.MapStorage(cgrEv.APIOpts),
 			utils.MetaCfg:  fCsv.cgrCfg.GetDataProvider(),
 		}, utils.FirstNonEmpty(cgrEv.Tenant, fCsv.cgrCfg.GeneralCfg().DefaultTenant),
 			fCsv.filterS, oNm)
@@ -127,8 +122,6 @@ func (fCsv *FileCSVee) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 		csvRecord = eeReq.ExpData[utils.MetaExp].OrderedFieldsAsStrings()
 	}
 
-	updateEEMetrics(fCsv.dc, cgrEv.Event, utils.FirstNonEmpty(fCsv.cgrCfg.EEsCfg().Exporters[fCsv.cfgIdx].Timezone,
-		fCsv.cgrCfg.GeneralCfg().DefaultTimezone))
 	return fCsv.csvWriter.Write(csvRecord)
 }
 
@@ -140,7 +133,7 @@ func (fCsv *FileCSVee) composeHeader() (err error) {
 	oNm := map[string]*utils.OrderedNavigableMap{
 		utils.MetaHdr: utils.NewOrderedNavigableMap(),
 	}
-	eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
+	eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
 		utils.MetaDC:  fCsv.dc,
 		utils.MetaCfg: fCsv.cgrCfg.GetDataProvider(),
 	}, fCsv.cgrCfg.GeneralCfg().DefaultTenant,
@@ -159,7 +152,7 @@ func (fCsv *FileCSVee) composeTrailer() (err error) {
 	oNm := map[string]*utils.OrderedNavigableMap{
 		utils.MetaTrl: utils.NewOrderedNavigableMap(),
 	}
-	eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
+	eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
 		utils.MetaDC:  fCsv.dc,
 		utils.MetaCfg: fCsv.cgrCfg.GetDataProvider(),
 	}, fCsv.cgrCfg.GeneralCfg().DefaultTenant,
@@ -171,6 +164,6 @@ func (fCsv *FileCSVee) composeTrailer() (err error) {
 	return fCsv.csvWriter.Write(eeReq.ExpData[utils.MetaTrl].OrderedFieldsAsStrings())
 }
 
-func (fCsv *FileCSVee) GetMetrics() utils.MapStorage {
+func (fCsv *FileCSVee) GetMetrics() *utils.SafeMapStorage {
 	return fCsv.dc.Clone()
 }
diff --git a/ees/filecsv_test.go b/ees/filecsv_test.go
index 1aa06a45e..0cb9b3655 100644
--- a/ees/filecsv_test.go
+++ b/ees/filecsv_test.go
@@ -76,7 +76,7 @@ func TestFileCsvComposeHeader(t *testing.T) {
 		filterS:   filterS,
 		file:      nopCloser{byteBuff},
 		csvWriter: csvNW,
-		dc:        utils.MapStorage{},
+		dc:        &utils.SafeMapStorage{},
 	}
 	cgrCfg.EEsCfg().Exporters[fCsv.cfgIdx].Fields = []*config.FCTemplate{
 		{
@@ -140,7 +140,7 @@ func TestFileCsvComposeTrailer(t *testing.T) {
 		filterS:   filterS,
 		file:      nopCloser{byteBuff},
 		csvWriter: csvNW,
-		dc:        utils.MapStorage{},
+		dc:        &utils.SafeMapStorage{},
 	}
 	cgrCfg.EEsCfg().Exporters[fCsv.cfgIdx].Fields = []*config.FCTemplate{
 		{
@@ -286,7 +286,7 @@ func TestFileCsvOnEvictedTrailer(t *testing.T) {
 		filterS:   filterS,
 		file:      nopCloserWrite{byteBuff},
 		csvWriter: csvNW,
-		dc:        utils.MapStorage{},
+		dc:        &utils.SafeMapStorage{},
 	}
 	cgrCfg.EEsCfg().Exporters[fCsv.cfgIdx].Fields = []*config.FCTemplate{
 		{
@@ -321,7 +321,7 @@ func TestFileCsvOnEvictedClose(t *testing.T) {
 		filterS:   filterS,
 		file:      nopCloserError{byteBuff},
 		csvWriter: csvNW,
-		dc:        utils.MapStorage{},
+		dc:        &utils.SafeMapStorage{},
 	}
 	cgrCfg.EEsCfg().Exporters[fCsv.cfgIdx].Fields = []*config.FCTemplate{
 		{
diff --git a/ees/filefwv.go b/ees/filefwv.go
index 788891fed..8b36192b5 100644
--- a/ees/filefwv.go
+++ b/ees/filefwv.go
@@ -23,14 +23,13 @@ import (
 	"io"
 	"os"
 	"path"
-	"sync"
 
 	"github.com/cgrates/cgrates/config"
 	"github.com/cgrates/cgrates/engine"
 	"github.com/cgrates/cgrates/utils"
 )
 
-func NewFileFWVee(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS, dc utils.MapStorage) (fFwv *FileFWVee, err error) {
+func NewFileFWVee(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS, dc *utils.SafeMapStorage) (fFwv *FileFWVee, err error) {
 	fFwv = &FileFWVee{id: cgrCfg.EEsCfg().Exporters[cfgIdx].ID,
 		cgrCfg: cgrCfg, cfgIdx: cfgIdx, filterS: filterS, dc: dc}
 	err = fFwv.init()
@@ -44,17 +43,16 @@ type FileFWVee struct {
 	cfgIdx  int // index of config instance within ERsCfg.Readers
 	filterS *engine.FilterS
 	file    io.WriteCloser
-	dc      utils.MapStorage
-	sync.RWMutex
+	dc      *utils.SafeMapStorage
 }
 
 // init will create all the necessary dependencies, including opening the file
 func (fFwv *FileFWVee) init() (err error) {
 	filePath := path.Join(fFwv.cgrCfg.EEsCfg().Exporters[fFwv.cfgIdx].ExportPath,
 		fFwv.id+utils.Underline+utils.UUIDSha1Prefix()+utils.FWVSuffix)
-	fFwv.Lock()
-	fFwv.dc[utils.ExportPath] = filePath
-	fFwv.Unlock()
+	fFwv.dc.Lock()
+	fFwv.dc.MapStorage[utils.ExportPath] = filePath
+	fFwv.dc.Unlock()
 	// create the file
 	if fFwv.file, err = os.Create(filePath); err != nil {
 		return
@@ -82,16 +80,13 @@ func (fFwv *FileFWVee) OnEvicted(_ string, _ interface{}) {
 
 // ExportEvent implements EventExporter
 func (fFwv *FileFWVee) ExportEvent(cgrEv *utils.CGREvent) (err error) {
-	fFwv.Lock()
 	defer func() {
-		if err != nil {
-			fFwv.dc[utils.NegativeExports].(utils.StringSet).Add(cgrEv.ID)
-		} else {
-			fFwv.dc[utils.PositiveExports].(utils.StringSet).Add(cgrEv.ID)
-		}
-		fFwv.Unlock()
+		updateEEMetrics(fFwv.dc, cgrEv.ID, cgrEv.Event, err != nil, utils.FirstNonEmpty(fFwv.cgrCfg.EEsCfg().Exporters[fFwv.cfgIdx].Timezone,
+			fFwv.cgrCfg.GeneralCfg().DefaultTimezone))
 	}()
-	fFwv.dc[utils.NumberOfEvents] = fFwv.dc[utils.NumberOfEvents].(int64) + 1
+	fFwv.dc.Lock()
+	fFwv.dc.MapStorage[utils.NumberOfEvents] = fFwv.dc.MapStorage[utils.NumberOfEvents].(int64) + 1
+	fFwv.dc.Unlock()
 	var records []string
 	if len(fFwv.cgrCfg.EEsCfg().Exporters[fFwv.cfgIdx].ContentFields()) == 0 {
 		records = make([]string, 0, len(cgrEv.Event))
@@ -102,10 +97,10 @@ func (fFwv *FileFWVee) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 		oNm := map[string]*utils.OrderedNavigableMap{
 			utils.MetaExp: utils.NewOrderedNavigableMap(),
 		}
-		eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
-			utils.MetaReq:  cgrEv.Event,
+		eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
+			utils.MetaReq:  utils.MapStorage(cgrEv.Event),
 			utils.MetaDC:   fFwv.dc,
-			utils.MetaOpts: cgrEv.APIOpts,
+			utils.MetaOpts: utils.MapStorage(cgrEv.APIOpts),
 			utils.MetaCfg:  fFwv.cgrCfg.GetDataProvider(),
 		}, utils.FirstNonEmpty(cgrEv.Tenant, fFwv.cgrCfg.GeneralCfg().DefaultTenant),
 			fFwv.filterS, oNm)
@@ -116,8 +111,6 @@ func (fFwv *FileFWVee) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 		records = eeReq.ExpData[utils.MetaExp].OrderedFieldsAsStrings()
 	}
 
-	updateEEMetrics(fFwv.dc, cgrEv.Event, utils.FirstNonEmpty(fFwv.cgrCfg.EEsCfg().Exporters[fFwv.cfgIdx].Timezone,
-		fFwv.cgrCfg.GeneralCfg().DefaultTimezone))
 	for _, record := range records {
 		if _, err = io.WriteString(fFwv.file, record); err != nil {
 			return
@@ -135,7 +128,7 @@ func (fFwv *FileFWVee) composeHeader() (err error) {
 	oNm := map[string]*utils.OrderedNavigableMap{
 		utils.MetaHdr: utils.NewOrderedNavigableMap(),
 	}
-	eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
+	eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
 		utils.MetaDC:  fFwv.dc,
 		utils.MetaCfg: fFwv.cgrCfg.GetDataProvider(),
 	}, fFwv.cgrCfg.GeneralCfg().DefaultTenant,
@@ -160,7 +153,7 @@ func (fFwv *FileFWVee) composeTrailer() (err error) {
 	oNm := map[string]*utils.OrderedNavigableMap{
 		utils.MetaTrl: utils.NewOrderedNavigableMap(),
 	}
-	eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
+	eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
 		utils.MetaDC:  fFwv.dc,
 		utils.MetaCfg: fFwv.cgrCfg.GetDataProvider(),
 	}, fFwv.cgrCfg.GeneralCfg().DefaultTenant,
@@ -177,6 +170,6 @@ func (fFwv *FileFWVee) composeTrailer() (err error) {
 	return
 }
 
-func (fFwv *FileFWVee) GetMetrics() utils.MapStorage {
+func (fFwv *FileFWVee) GetMetrics() *utils.SafeMapStorage {
 	return fFwv.dc.Clone()
 }
diff --git a/ees/filefwv_test.go b/ees/filefwv_test.go
index 343d8a510..adcf1dc66 100644
--- a/ees/filefwv_test.go
+++ b/ees/filefwv_test.go
@@ -78,7 +78,7 @@ func TestFileFwvComposeHeader(t *testing.T) {
 		cfgIdx:  0,
 		filterS: filterS,
 		file:    nopCloser{byteBuff},
-		dc:      utils.MapStorage{},
+		dc:      &utils.SafeMapStorage{},
 	}
 	cgrCfg.EEsCfg().Exporters[fFwv.cfgIdx].Fields = []*config.FCTemplate{
 		{
@@ -141,7 +141,7 @@ func TestFileFwvComposeTrailer(t *testing.T) {
 		cfgIdx:  0,
 		filterS: filterS,
 		file:    nopCloser{byteBuff},
-		dc:      utils.MapStorage{},
+		dc:      &utils.SafeMapStorage{},
 	}
 	cgrCfg.EEsCfg().Exporters[fFwv.cfgIdx].Fields = []*config.FCTemplate{
 		{
@@ -327,7 +327,7 @@ func TestFileFwvComposeHeaderWriteError(t *testing.T) {
 		cfgIdx:  0,
 		filterS: filterS,
 		file:    nopCloserWrite{byteBuff},
-		dc:      utils.MapStorage{},
+		dc:      &utils.SafeMapStorage{},
 	}
 	cgrCfg.EEsCfg().Exporters[fFwv.cfgIdx].Fields = []*config.FCTemplate{
 		{
@@ -360,7 +360,7 @@ func TestFileFwvComposeTrailerWriteError(t *testing.T) {
 		cfgIdx:  0,
 		filterS: filterS,
 		file:    nopCloserWrite{byteBuff},
-		dc:      utils.MapStorage{},
+		dc:      &utils.SafeMapStorage{},
 	}
 	cgrCfg.EEsCfg().Exporters[fFwv.cfgIdx].Fields = []*config.FCTemplate{
 		{
@@ -392,7 +392,7 @@ func TestFileFwvOnEvictedTrailer(t *testing.T) {
 		cfgIdx:  0,
 		filterS: filterS,
 		file:    nopCloserWrite{byteBuff},
-		dc:      utils.MapStorage{},
+		dc:      &utils.SafeMapStorage{},
 	}
 	cgrCfg.EEsCfg().Exporters[fFwv.cfgIdx].Fields = []*config.FCTemplate{
 		{
@@ -431,7 +431,7 @@ func TestFileFwvOnEvictedClose(t *testing.T) {
 		cfgIdx:  0,
 		filterS: filterS,
 		file:    nopCloserError{byteBuff},
-		dc:      utils.MapStorage{},
+		dc:      &utils.SafeMapStorage{},
 	}
 	cgrCfg.EEsCfg().Exporters[fFwv.cfgIdx].Fields = []*config.FCTemplate{
 		{
diff --git a/ees/httpjsonmap.go b/ees/httpjsonmap.go
index b02001233..7a56cb5c4 100644
--- a/ees/httpjsonmap.go
+++ b/ees/httpjsonmap.go
@@ -22,7 +22,6 @@ import (
 	"encoding/json"
 	"net/http"
 	"strings"
-	"sync"
 
 	"github.com/cgrates/cgrates/config"
 	"github.com/cgrates/cgrates/engine"
@@ -30,7 +29,7 @@ import (
 )
 
 func NewHTTPjsonMapEE(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS,
-	dc utils.MapStorage) (pstrJSON *HTTPjsonMapEE, err error) {
+	dc *utils.SafeMapStorage) (pstrJSON *HTTPjsonMapEE, err error) {
 	pstrJSON = &HTTPjsonMapEE{
 		id:      cgrCfg.EEsCfg().Exporters[cfgIdx].ID,
 		cgrCfg:  cgrCfg,
@@ -53,8 +52,7 @@ type HTTPjsonMapEE struct {
 	cfgIdx  int // index of config instance within ERsCfg.Readers
 	filterS *engine.FilterS
 	pstr    *engine.HTTPPoster
-	dc      utils.MapStorage
-	sync.RWMutex
+	dc      *utils.SafeMapStorage
 }
 
 // ID returns the identificator of this exporter
@@ -68,17 +66,13 @@ func (httpEE *HTTPjsonMapEE) OnEvicted(string, interface{}) {
 
 // ExportEvent implements EventExporter
 func (httpEE *HTTPjsonMapEE) ExportEvent(cgrEv *utils.CGREvent) (err error) {
-	httpEE.Lock()
 	defer func() {
-		if err != nil {
-			httpEE.dc[utils.NegativeExports].(utils.StringSet).Add(cgrEv.ID)
-		} else {
-			httpEE.dc[utils.PositiveExports].(utils.StringSet).Add(cgrEv.ID)
-		}
-		httpEE.Unlock()
+		updateEEMetrics(httpEE.dc, cgrEv.ID, cgrEv.Event, err != nil, utils.FirstNonEmpty(httpEE.cgrCfg.EEsCfg().Exporters[httpEE.cfgIdx].Timezone,
+			httpEE.cgrCfg.GeneralCfg().DefaultTimezone))
 	}()
-
-	httpEE.dc[utils.NumberOfEvents] = httpEE.dc[utils.NumberOfEvents].(int64) + 1
+	httpEE.dc.Lock()
+	httpEE.dc.MapStorage[utils.NumberOfEvents] = httpEE.dc.MapStorage[utils.NumberOfEvents].(int64) + 1
+	httpEE.dc.Unlock()
 
 	valMp := make(map[string]interface{})
 	hdr := http.Header{}
@@ -88,10 +82,10 @@ func (httpEE *HTTPjsonMapEE) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 		oNm := map[string]*utils.OrderedNavigableMap{
 			utils.MetaExp: utils.NewOrderedNavigableMap(),
 		}
-		eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
-			utils.MetaReq:  cgrEv.Event,
+		eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
+			utils.MetaReq:  utils.MapStorage(cgrEv.Event),
 			utils.MetaDC:   httpEE.dc,
-			utils.MetaOpts: cgrEv.APIOpts,
+			utils.MetaOpts: utils.MapStorage(cgrEv.APIOpts),
 			utils.MetaCfg:  httpEE.cgrCfg.GetDataProvider(),
 		}, utils.FirstNonEmpty(cgrEv.Tenant, httpEE.cgrCfg.GeneralCfg().DefaultTenant),
 			httpEE.filterS, oNm)
@@ -109,8 +103,7 @@ func (httpEE *HTTPjsonMapEE) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 			return
 		}
 	}
-	updateEEMetrics(httpEE.dc, cgrEv.Event, utils.FirstNonEmpty(httpEE.cgrCfg.EEsCfg().Exporters[httpEE.cfgIdx].Timezone,
-		httpEE.cgrCfg.GeneralCfg().DefaultTimezone))
+
 	var body []byte
 	if body, err = json.Marshal(valMp); err != nil {
 		return
@@ -125,7 +118,7 @@ func (httpEE *HTTPjsonMapEE) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 	return
 }
 
-func (httpEE *HTTPjsonMapEE) GetMetrics() utils.MapStorage {
+func (httpEE *HTTPjsonMapEE) GetMetrics() *utils.SafeMapStorage {
 	return httpEE.dc.Clone()
 }
 
@@ -138,7 +131,7 @@ func (httpEE *HTTPjsonMapEE) composeHeader() (hdr http.Header, err error) {
 	oNm := map[string]*utils.OrderedNavigableMap{
 		utils.MetaHdr: utils.NewOrderedNavigableMap(),
 	}
-	eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
+	eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
 		utils.MetaDC:  httpEE.dc,
 		utils.MetaCfg: httpEE.cgrCfg.GetDataProvider(),
 	}, httpEE.cgrCfg.GeneralCfg().DefaultTenant,
diff --git a/ees/httpjsonmap_test.go b/ees/httpjsonmap_test.go
index 199e247fa..e4b4973e3 100644
--- a/ees/httpjsonmap_test.go
+++ b/ees/httpjsonmap_test.go
@@ -83,8 +83,8 @@ func TestHttpJsonMapExportEvent1(t *testing.T) {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, httpEE.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, httpEE.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, httpEE.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, httpEE.dc.MapStorage[utils.NumberOfEvents])
 	}
 }
 
@@ -143,8 +143,8 @@ func TestHttpJsonMapExportEvent2(t *testing.T) {
 		t.Error(err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, httpEE.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, httpEE.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, httpEE.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, httpEE.dc.MapStorage[utils.NumberOfEvents])
 	}
 }
 
@@ -190,8 +190,8 @@ func TestHttpJsonMapExportEvent3(t *testing.T) {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, httpEE.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, httpEE.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, httpEE.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, httpEE.dc.MapStorage[utils.NumberOfEvents])
 	}
 }
 func TestHttpJsonMapExportEvent4(t *testing.T) {
@@ -239,8 +239,8 @@ func TestHttpJsonMapExportEvent4(t *testing.T) {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, httpEE.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, httpEE.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, httpEE.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, httpEE.dc.MapStorage[utils.NumberOfEvents])
 	}
 }
 
@@ -292,8 +292,8 @@ func TestHttpJsonMapExportEvent5(t *testing.T) {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, httpEE.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, httpEE.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, httpEE.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, httpEE.dc.MapStorage[utils.NumberOfEvents])
 	}
 	httpEE.OnEvicted("test", "test")
 }
diff --git a/ees/httppost.go b/ees/httppost.go
index bf6cc30ce..0580b561e 100644
--- a/ees/httppost.go
+++ b/ees/httppost.go
@@ -22,7 +22,6 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
-	"sync"
 
 	"github.com/cgrates/cgrates/config"
 	"github.com/cgrates/cgrates/engine"
@@ -30,7 +29,7 @@ import (
 )
 
 func NewHTTPPostEe(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS,
-	dc utils.MapStorage) (httpPost *HTTPPost, err error) {
+	dc *utils.SafeMapStorage) (httpPost *HTTPPost, err error) {
 	httpPost = &HTTPPost{id: cgrCfg.EEsCfg().Exporters[cfgIdx].ID,
 		cgrCfg: cgrCfg, cfgIdx: cfgIdx, filterS: filterS, dc: dc}
 	httpPost.httpPoster = engine.NewHTTPPoster(cgrCfg.GeneralCfg().ReplyTimeout,
@@ -47,8 +46,7 @@ type HTTPPost struct {
 	cfgIdx     int // index of config instance within ERsCfg.Readers
 	filterS    *engine.FilterS
 	httpPoster *engine.HTTPPoster
-	sync.RWMutex
-	dc utils.MapStorage
+	dc         *utils.SafeMapStorage
 }
 
 // ID returns the identificator of this exporter
@@ -62,16 +60,13 @@ func (httpPost *HTTPPost) OnEvicted(_ string, _ interface{}) {
 
 // ExportEvent implements EventExporter
 func (httpPost *HTTPPost) ExportEvent(cgrEv *utils.CGREvent) (err error) {
-	httpPost.Lock()
 	defer func() {
-		if err != nil {
-			httpPost.dc[utils.NegativeExports].(utils.StringSet).Add(cgrEv.ID)
-		} else {
-			httpPost.dc[utils.PositiveExports].(utils.StringSet).Add(cgrEv.ID)
-		}
-		httpPost.Unlock()
+		updateEEMetrics(httpPost.dc, cgrEv.ID, cgrEv.Event, err != nil, utils.FirstNonEmpty(httpPost.cgrCfg.EEsCfg().Exporters[httpPost.cfgIdx].Timezone,
+			httpPost.cgrCfg.GeneralCfg().DefaultTimezone))
 	}()
-	httpPost.dc[utils.NumberOfEvents] = httpPost.dc[utils.NumberOfEvents].(int64) + 1
+	httpPost.dc.Lock()
+	httpPost.dc.MapStorage[utils.NumberOfEvents] = httpPost.dc.MapStorage[utils.NumberOfEvents].(int64) + 1
+	httpPost.dc.Unlock()
 
 	urlVals := url.Values{}
 	hdr := http.Header{}
@@ -83,10 +78,10 @@ func (httpPost *HTTPPost) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 		oNm := map[string]*utils.OrderedNavigableMap{
 			utils.MetaExp: utils.NewOrderedNavigableMap(),
 		}
-		eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
-			utils.MetaReq:  cgrEv.Event,
+		eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
+			utils.MetaReq:  utils.MapStorage(cgrEv.Event),
 			utils.MetaDC:   httpPost.dc,
-			utils.MetaOpts: cgrEv.APIOpts,
+			utils.MetaOpts: utils.MapStorage(cgrEv.APIOpts),
 			utils.MetaCfg:  httpPost.cgrCfg.GetDataProvider(),
 		}, utils.FirstNonEmpty(cgrEv.Tenant, httpPost.cgrCfg.GeneralCfg().DefaultTenant),
 			httpPost.filterS, oNm)
@@ -103,8 +98,7 @@ func (httpPost *HTTPPost) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 			return
 		}
 	}
-	updateEEMetrics(httpPost.dc, cgrEv.Event, utils.FirstNonEmpty(httpPost.cgrCfg.EEsCfg().Exporters[httpPost.cfgIdx].Timezone,
-		httpPost.cgrCfg.GeneralCfg().DefaultTimezone))
+
 	if err = httpPost.httpPoster.PostValues(urlVals, hdr); err != nil &&
 		httpPost.cgrCfg.GeneralCfg().FailedPostsDir != utils.MetaNone {
 		engine.AddFailedPost(httpPost.cgrCfg.EEsCfg().Exporters[httpPost.cfgIdx].ExportPath,
@@ -117,7 +111,7 @@ func (httpPost *HTTPPost) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 	return
 }
 
-func (httpPost *HTTPPost) GetMetrics() utils.MapStorage {
+func (httpPost *HTTPPost) GetMetrics() *utils.SafeMapStorage {
 	return httpPost.dc.Clone()
 }
 
@@ -130,7 +124,7 @@ func (httpPost *HTTPPost) composeHeader() (hdr http.Header, err error) {
 	oNm := map[string]*utils.OrderedNavigableMap{
 		utils.MetaHdr: utils.NewOrderedNavigableMap(),
 	}
-	eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
+	eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
 		utils.MetaDC:  httpPost.dc,
 		utils.MetaCfg: httpPost.cgrCfg.GetDataProvider(),
 	}, httpPost.cgrCfg.GeneralCfg().DefaultTenant,
diff --git a/ees/httppost_test.go b/ees/httppost_test.go
index d43031d9a..e6618a5c4 100644
--- a/ees/httppost_test.go
+++ b/ees/httppost_test.go
@@ -82,8 +82,8 @@ func TestHttpPostExportEvent(t *testing.T) {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, httpPost.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, httpPost.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, httpPost.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, httpPost.dc.MapStorage[utils.NumberOfEvents])
 	}
 }
 
@@ -140,8 +140,8 @@ func TestHttpPostExportEvent2(t *testing.T) {
 		t.Error(err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, httpPost.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, httpPost.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, httpPost.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, httpPost.dc.MapStorage[utils.NumberOfEvents])
 	}
 }
 
@@ -187,8 +187,8 @@ func TestHttpPostExportEvent3(t *testing.T) {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, httpPost.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, httpPost.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, httpPost.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, httpPost.dc.MapStorage[utils.NumberOfEvents])
 	}
 }
 
@@ -237,8 +237,8 @@ func TestHttpPostExportEvent4(t *testing.T) {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, httpPost.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, httpPost.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, httpPost.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, httpPost.dc.MapStorage[utils.NumberOfEvents])
 	}
 	httpPost.OnEvicted("test", "test")
 }
diff --git a/ees/posterjsonmap.go b/ees/posterjsonmap.go
index 8f237199b..9a13329b2 100644
--- a/ees/posterjsonmap.go
+++ b/ees/posterjsonmap.go
@@ -21,7 +21,6 @@ package ees
 import (
 	"encoding/json"
 	"strings"
-	"sync"
 
 	"github.com/cgrates/cgrates/config"
 	"github.com/cgrates/cgrates/engine"
@@ -29,7 +28,7 @@ import (
 )
 
 func NewPosterJSONMapEE(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS,
-	dc utils.MapStorage) (pstrJSON *PosterJSONMapEE, err error) {
+	dc *utils.SafeMapStorage) (pstrJSON *PosterJSONMapEE, err error) {
 	pstrJSON = &PosterJSONMapEE{
 		id:      cgrCfg.EEsCfg().Exporters[cfgIdx].ID,
 		cgrCfg:  cgrCfg,
@@ -68,8 +67,7 @@ type PosterJSONMapEE struct {
 	cfgIdx  int // index of config instance within ERsCfg.Readers
 	filterS *engine.FilterS
 	poster  engine.Poster
-	dc      utils.MapStorage
-	sync.RWMutex
+	dc      *utils.SafeMapStorage
 }
 
 // ID returns the identificator of this exporter
@@ -84,17 +82,13 @@ func (pstrEE *PosterJSONMapEE) OnEvicted(string, interface{}) {
 
 // ExportEvent implements EventExporter
 func (pstrEE *PosterJSONMapEE) ExportEvent(cgrEv *utils.CGREvent) (err error) {
-	pstrEE.Lock()
 	defer func() {
-		if err != nil {
-			pstrEE.dc[utils.NegativeExports].(utils.StringSet).Add(cgrEv.ID)
-		} else {
-			pstrEE.dc[utils.PositiveExports].(utils.StringSet).Add(cgrEv.ID)
-		}
-		pstrEE.Unlock()
+		updateEEMetrics(pstrEE.dc, cgrEv.ID, cgrEv.Event, err != nil, utils.FirstNonEmpty(pstrEE.cgrCfg.EEsCfg().Exporters[pstrEE.cfgIdx].Timezone,
+			pstrEE.cgrCfg.GeneralCfg().DefaultTimezone))
 	}()
-
-	pstrEE.dc[utils.NumberOfEvents] = pstrEE.dc[utils.NumberOfEvents].(int64) + 1
+	pstrEE.dc.Lock()
+	pstrEE.dc.MapStorage[utils.NumberOfEvents] = pstrEE.dc.MapStorage[utils.NumberOfEvents].(int64) + 1
+	pstrEE.dc.Unlock()
 
 	valMp := make(map[string]interface{})
 	if len(pstrEE.cgrCfg.EEsCfg().Exporters[pstrEE.cfgIdx].ContentFields()) == 0 {
@@ -103,10 +97,10 @@ func (pstrEE *PosterJSONMapEE) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 		oNm := map[string]*utils.OrderedNavigableMap{
 			utils.MetaExp: utils.NewOrderedNavigableMap(),
 		}
-		eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
-			utils.MetaReq:  cgrEv.Event,
+		eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
+			utils.MetaReq:  utils.MapStorage(cgrEv.Event),
 			utils.MetaDC:   pstrEE.dc,
-			utils.MetaOpts: cgrEv.APIOpts,
+			utils.MetaOpts: utils.MapStorage(cgrEv.APIOpts),
 			utils.MetaCfg:  pstrEE.cgrCfg.GetDataProvider(),
 		}, utils.FirstNonEmpty(cgrEv.Tenant, pstrEE.cgrCfg.GeneralCfg().DefaultTenant),
 			pstrEE.filterS, oNm)
@@ -121,8 +115,7 @@ func (pstrEE *PosterJSONMapEE) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 			valMp[strings.Join(path, utils.NestingSep)] = nmIt.String()
 		}
 	}
-	updateEEMetrics(pstrEE.dc, cgrEv.Event, utils.FirstNonEmpty(pstrEE.cgrCfg.EEsCfg().Exporters[pstrEE.cfgIdx].Timezone,
-		pstrEE.cgrCfg.GeneralCfg().DefaultTimezone))
+
 	cgrID := utils.FirstNonEmpty(engine.MapEvent(cgrEv.Event).GetStringIgnoreErrors(utils.CGRID), utils.GenUUID())
 	runID := utils.FirstNonEmpty(engine.MapEvent(cgrEv.Event).GetStringIgnoreErrors(utils.RunID), utils.MetaDefault)
 	var body []byte
@@ -138,6 +131,6 @@ func (pstrEE *PosterJSONMapEE) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 	return
 }
 
-func (pstrEE *PosterJSONMapEE) GetMetrics() utils.MapStorage {
+func (pstrEE *PosterJSONMapEE) GetMetrics() *utils.SafeMapStorage {
 	return pstrEE.dc.Clone()
 }
diff --git a/ees/posterjsonmap_test.go b/ees/posterjsonmap_test.go
index 430d8a60c..eecb22529 100644
--- a/ees/posterjsonmap_test.go
+++ b/ees/posterjsonmap_test.go
@@ -183,16 +183,16 @@ func TestPosterJsonMapExportEvent(t *testing.T) {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, pstrEE.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, pstrEE.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, pstrEE.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, pstrEE.dc.MapStorage[utils.NumberOfEvents])
 	}
 	cgrCfg.EEsCfg().Exporters[pstrEE.cfgIdx].ComputeFields()
 	if err := pstrEE.ExportEvent(cgrEv); err == nil || err.Error() != errExpect {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect = int64(2)
-	if !reflect.DeepEqual(dcExpect, pstrEE.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, pstrEE.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, pstrEE.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, pstrEE.dc.MapStorage[utils.NumberOfEvents])
 	}
 }
 
@@ -252,8 +252,8 @@ func TestPosterJsonMapExportEvent1(t *testing.T) {
 		t.Error(err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, pstrEE.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, pstrEE.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, pstrEE.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, pstrEE.dc.MapStorage[utils.NumberOfEvents])
 	}
 	bodyExpect := map[string]interface{}{
 		"2": "*req.field2",
@@ -310,8 +310,8 @@ func TestPosterJsonMapExportEvent2(t *testing.T) {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, pstrEE.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, pstrEE.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, pstrEE.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, pstrEE.dc.MapStorage[utils.NumberOfEvents])
 	}
 }
 
@@ -350,8 +350,8 @@ func TestPosterJsonMapExportEvent3(t *testing.T) {
 		t.Errorf("Expected %q but received %q", errExpect, err)
 	}
 	dcExpect := int64(1)
-	if !reflect.DeepEqual(dcExpect, pstrEE.dc[utils.NumberOfEvents]) {
-		t.Errorf("Expected %q but received %q", dcExpect, pstrEE.dc[utils.NumberOfEvents])
+	if !reflect.DeepEqual(dcExpect, pstrEE.dc.MapStorage[utils.NumberOfEvents]) {
+		t.Errorf("Expected %q but received %q", dcExpect, pstrEE.dc.MapStorage[utils.NumberOfEvents])
 	}
 	pstrEE.OnEvicted("test", "test")
 }
diff --git a/ees/sql.go b/ees/sql.go
index 757245329..71165ee25 100644
--- a/ees/sql.go
+++ b/ees/sql.go
@@ -23,7 +23,6 @@ import (
 	"fmt"
 	"net/url"
 	"strings"
-	"sync"
 
 	"gorm.io/driver/mysql"
 	"gorm.io/driver/postgres"
@@ -35,7 +34,7 @@ import (
 )
 
 func NewSQLEe(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS,
-	dc utils.MapStorage) (sqlEe *SQLEe, err error) {
+	dc *utils.SafeMapStorage) (sqlEe *SQLEe, err error) {
 	sqlEe = &SQLEe{id: cgrCfg.EEsCfg().Exporters[cfgIdx].ID,
 		cgrCfg: cgrCfg, cfgIdx: cfgIdx, filterS: filterS, dc: dc}
 
@@ -58,8 +57,7 @@ type SQLEe struct {
 
 	tableName string
 
-	sync.RWMutex
-	dc utils.MapStorage
+	dc *utils.SafeMapStorage
 }
 
 func (sqlEe *SQLEe) NewSQLEeURL(cgrCfg *config.CGRConfig) (dialect gorm.Dialector, err error) {
@@ -144,26 +142,23 @@ func (sqlEe *SQLEe) OnEvicted(_ string, _ interface{}) {
 
 // ExportEvent implements EventExporter
 func (sqlEe *SQLEe) ExportEvent(cgrEv *utils.CGREvent) (err error) {
-	sqlEe.Lock()
 	defer func() {
-		if err != nil {
-			sqlEe.dc[utils.NegativeExports].(utils.StringSet).Add(cgrEv.ID)
-		} else {
-			sqlEe.dc[utils.PositiveExports].(utils.StringSet).Add(cgrEv.ID)
-		}
-		sqlEe.Unlock()
+		updateEEMetrics(sqlEe.dc, cgrEv.ID, cgrEv.Event, err != nil, utils.FirstNonEmpty(sqlEe.cgrCfg.EEsCfg().Exporters[sqlEe.cfgIdx].Timezone,
+			sqlEe.cgrCfg.GeneralCfg().DefaultTimezone))
 	}()
-	sqlEe.dc[utils.NumberOfEvents] = sqlEe.dc[utils.NumberOfEvents].(int64) + 1
+	sqlEe.dc.Lock()
+	sqlEe.dc.MapStorage[utils.NumberOfEvents] = sqlEe.dc.MapStorage[utils.NumberOfEvents].(int64) + 1
+	sqlEe.dc.Unlock()
 
 	var vals []interface{}
 	var colNames []string
 	oNm := map[string]*utils.OrderedNavigableMap{
 		utils.MetaExp: utils.NewOrderedNavigableMap(),
 	}
-	eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
-		utils.MetaReq:  cgrEv.Event,
+	eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
+		utils.MetaReq:  utils.MapStorage(cgrEv.Event),
 		utils.MetaDC:   sqlEe.dc,
-		utils.MetaOpts: cgrEv.APIOpts,
+		utils.MetaOpts: utils.MapStorage(cgrEv.APIOpts),
 		utils.MetaCfg:  sqlEe.cgrCfg.GetDataProvider(),
 	}, utils.FirstNonEmpty(cgrEv.Tenant, sqlEe.cgrCfg.GeneralCfg().DefaultTenant),
 		sqlEe.filterS, oNm)
@@ -194,12 +189,10 @@ func (sqlEe *SQLEe) ExportEvent(cgrEv *utils.CGREvent) (err error) {
 	}
 
 	sqlEe.db.Table(sqlEe.tableName).Exec(sqlQuery, vals...)
-	updateEEMetrics(sqlEe.dc, cgrEv.Event, utils.FirstNonEmpty(sqlEe.cgrCfg.EEsCfg().Exporters[sqlEe.cfgIdx].Timezone,
-		sqlEe.cgrCfg.GeneralCfg().DefaultTimezone))
 
 	return
 }
 
-func (sqlEe *SQLEe) GetMetrics() utils.MapStorage {
+func (sqlEe *SQLEe) GetMetrics() *utils.SafeMapStorage {
 	return sqlEe.dc.Clone()
 }
diff --git a/ees/virtualee.go b/ees/virtualee.go
index 796af98fe..9a8e3a013 100644
--- a/ees/virtualee.go
+++ b/ees/virtualee.go
@@ -19,15 +19,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 package ees
 
 import (
-	"sync"
-
 	"github.com/cgrates/cgrates/config"
 	"github.com/cgrates/cgrates/engine"
 	"github.com/cgrates/cgrates/utils"
 )
 
 func NewVirtualExporter(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS,
-	dc utils.MapStorage) (vEe *VirtualEe, err error) {
+	dc *utils.SafeMapStorage) (vEe *VirtualEe, err error) {
 	vEe = &VirtualEe{id: cgrCfg.EEsCfg().Exporters[cfgIdx].ID,
 		cgrCfg: cgrCfg, cfgIdx: cfgIdx, filterS: filterS, dc: dc}
 	err = vEe.init()
@@ -40,8 +38,7 @@ type VirtualEe struct {
 	cgrCfg  *config.CGRConfig
 	cfgIdx  int // index of config instance within ERsCfg.Readers
 	filterS *engine.FilterS
-	sync.RWMutex
-	dc utils.MapStorage
+	dc      *utils.SafeMapStorage
 }
 
 // init will create all the necessary dependencies, including opening the file
@@ -60,35 +57,31 @@ func (vEe *VirtualEe) OnEvicted(_ string, _ interface{}) {
 
 // ExportEvent implements EventExporter
 func (vEe *VirtualEe) ExportEvent(cgrEv *utils.CGREvent) (err error) {
-	vEe.Lock()
 	defer func() {
-		if err != nil {
-			vEe.dc[utils.NegativeExports].(utils.StringSet).Add(cgrEv.ID)
-		} else {
-			vEe.dc[utils.PositiveExports].(utils.StringSet).Add(cgrEv.ID)
-		}
-		vEe.Unlock()
+		updateEEMetrics(vEe.dc, cgrEv.ID, cgrEv.Event, err != nil, utils.FirstNonEmpty(vEe.cgrCfg.EEsCfg().Exporters[vEe.cfgIdx].Timezone,
+			vEe.cgrCfg.GeneralCfg().DefaultTimezone))
 	}()
-	vEe.dc[utils.NumberOfEvents] = vEe.dc[utils.NumberOfEvents].(int64) + 1
+	vEe.dc.Lock()
+	vEe.dc.MapStorage[utils.NumberOfEvents] = vEe.dc.MapStorage[utils.NumberOfEvents].(int64) + 1
+	vEe.dc.Unlock()
 
 	oNm := map[string]*utils.OrderedNavigableMap{
 		utils.MetaExp: utils.NewOrderedNavigableMap(),
 	}
-	eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
-		utils.MetaReq:  cgrEv.Event,
+	eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
+		utils.MetaReq:  utils.MapStorage(cgrEv.Event),
 		utils.MetaDC:   vEe.dc,
-		utils.MetaOpts: cgrEv.APIOpts,
+		utils.MetaOpts: utils.MapStorage(cgrEv.APIOpts),
 		utils.MetaCfg:  vEe.cgrCfg.GetDataProvider(),
 	}, utils.FirstNonEmpty(cgrEv.Tenant, vEe.cgrCfg.GeneralCfg().DefaultTenant),
 		vEe.filterS, oNm)
 	if err = eeReq.SetFields(vEe.cgrCfg.EEsCfg().Exporters[vEe.cfgIdx].ContentFields()); err != nil {
 		return
 	}
-	updateEEMetrics(vEe.dc, cgrEv.Event, utils.FirstNonEmpty(vEe.cgrCfg.EEsCfg().Exporters[vEe.cfgIdx].Timezone,
-		vEe.cgrCfg.GeneralCfg().DefaultTimezone))
+
 	return
 }
 
-func (vEe *VirtualEe) GetMetrics() utils.MapStorage {
+func (vEe *VirtualEe) GetMetrics() *utils.SafeMapStorage {
 	return vEe.dc.Clone()
 }
diff --git a/engine/exportrequest.go b/engine/exportrequest.go
index 76d058b97..a356564df 100644
--- a/engine/exportrequest.go
+++ b/engine/exportrequest.go
@@ -28,7 +28,7 @@ import (
 )
 
 // NewExportRequest returns a new EventRequest
-func NewExportRequest(inData map[string]utils.MapStorage,
+func NewExportRequest(inData map[string]utils.DataStorage,
 	tnt string,
 	filterS *FilterS, oNM map[string]*utils.OrderedNavigableMap) (eeR *ExportRequest) {
 	eeR = &ExportRequest{
@@ -43,7 +43,7 @@ func NewExportRequest(inData map[string]utils.MapStorage,
 // ExportRequest represents data related to one request towards agent
 // implements utils.DataProvider so we can pass it to filters
 type ExportRequest struct {
-	inData  map[string]utils.MapStorage           // request
+	inData  map[string]utils.DataStorage          // request
 	ExpData map[string]*utils.OrderedNavigableMap // *exp:OrderNavMp *trl:OrderNavMp *cdr:OrderNavMp
 	tnt     string
 	filterS *FilterS
diff --git a/engine/exportrequest_test.go b/engine/exportrequest_test.go
index b192bc467..e6eddec96 100644
--- a/engine/exportrequest_test.go
+++ b/engine/exportrequest_test.go
@@ -28,8 +28,8 @@ import (
 	"github.com/cgrates/cgrates/utils"
 )
 
-func TestEventRequestParseFieldDateTimeDaily(t *testing.T) {
-	EventReq := NewExportRequest(map[string]utils.MapStorage{}, "", nil, nil)
+func TestExportRequestParseFieldDateTimeDaily(t *testing.T) {
+	EventReq := NewExportRequest(map[string]utils.DataStorage{}, "", nil, nil)
 	fctTemp := &config.FCTemplate{
 		Type:     utils.MetaDateTime,
 		Value:    config.NewRSRParsersMustCompile("*daily", utils.InfieldSep),
@@ -56,8 +56,8 @@ func TestEventRequestParseFieldDateTimeDaily(t *testing.T) {
 	}
 }
 
-func TestEventReqParseFieldDateTimeTimeZone(t *testing.T) {
-	EventReq := NewExportRequest(map[string]utils.MapStorage{}, "", nil, nil)
+func TestExportReqParseFieldDateTimeTimeZone(t *testing.T) {
+	EventReq := NewExportRequest(map[string]utils.DataStorage{}, "", nil, nil)
 	fctTemp := &config.FCTemplate{
 		Type:     utils.MetaDateTime,
 		Value:    config.NewRSRParsersMustCompile("*daily", utils.InfieldSep),
@@ -84,8 +84,8 @@ func TestEventReqParseFieldDateTimeTimeZone(t *testing.T) {
 	}
 }
 
-func TestEventReqParseFieldDateTimeMonthly(t *testing.T) {
-	EventReq := NewExportRequest(map[string]utils.MapStorage{}, "", nil, nil)
+func TestExportReqParseFieldDateTimeMonthly(t *testing.T) {
+	EventReq := NewExportRequest(map[string]utils.DataStorage{}, "", nil, nil)
 	fctTemp := &config.FCTemplate{
 		Type:     utils.MetaDateTime,
 		Value:    config.NewRSRParsersMustCompile("*monthly", utils.InfieldSep),
@@ -111,8 +111,8 @@ func TestEventReqParseFieldDateTimeMonthly(t *testing.T) {
 	}
 }
 
-func TestEventReqParseFieldDateTimeMonthlyEstimated(t *testing.T) {
-	EventReq := NewExportRequest(map[string]utils.MapStorage{}, "", nil, nil)
+func TestExportReqParseFieldDateTimeMonthlyEstimated(t *testing.T) {
+	EventReq := NewExportRequest(map[string]utils.DataStorage{}, "", nil, nil)
 	fctTemp := &config.FCTemplate{
 		Type:     utils.MetaDateTime,
 		Value:    config.NewRSRParsersMustCompile("*monthly_estimated", utils.InfieldSep),
@@ -138,8 +138,8 @@ func TestEventReqParseFieldDateTimeMonthlyEstimated(t *testing.T) {
 	}
 }
 
-func TestEventReqParseFieldDateTimeYearly(t *testing.T) {
-	EventReq := NewExportRequest(map[string]utils.MapStorage{}, "", nil, nil)
+func TestExportReqParseFieldDateTimeYearly(t *testing.T) {
+	EventReq := NewExportRequest(map[string]utils.DataStorage{}, "", nil, nil)
 	fctTemp := &config.FCTemplate{
 		Type:     utils.MetaDateTime,
 		Value:    config.NewRSRParsersMustCompile("*yearly", utils.InfieldSep),
@@ -165,8 +165,8 @@ func TestEventReqParseFieldDateTimeYearly(t *testing.T) {
 	}
 }
 
-func TestEventReqParseFieldDateTimeMetaUnlimited(t *testing.T) {
-	EventReq := NewExportRequest(map[string]utils.MapStorage{}, "", nil, nil)
+func TestExportReqParseFieldDateTimeMetaUnlimited(t *testing.T) {
+	EventReq := NewExportRequest(map[string]utils.DataStorage{}, "", nil, nil)
 	fctTemp := &config.FCTemplate{
 		Type:     utils.MetaDateTime,
 		Value:    config.NewRSRParsersMustCompile(utils.MetaUnlimited, utils.InfieldSep),
@@ -192,8 +192,8 @@ func TestEventReqParseFieldDateTimeMetaUnlimited(t *testing.T) {
 	}
 }
 
-func TestEventReqParseFieldDateTimeEmpty(t *testing.T) {
-	EventReq := NewExportRequest(map[string]utils.MapStorage{}, "", nil, nil)
+func TestExportReqParseFieldDateTimeEmpty(t *testing.T) {
+	EventReq := NewExportRequest(map[string]utils.DataStorage{}, "", nil, nil)
 	fctTemp := &config.FCTemplate{
 		Type:     utils.MetaDateTime,
 		Value:    config.NewRSRParsersMustCompile("", utils.InfieldSep),
@@ -219,8 +219,8 @@ func TestEventReqParseFieldDateTimeEmpty(t *testing.T) {
 	}
 }
 
-func TestEventReqParseFieldDateTimeMonthEnd(t *testing.T) {
-	EventReq := NewExportRequest(map[string]utils.MapStorage{}, "", nil, nil)
+func TestExportReqParseFieldDateTimeMonthEnd(t *testing.T) {
+	EventReq := NewExportRequest(map[string]utils.DataStorage{}, "", nil, nil)
 	fctTemp := &config.FCTemplate{
 		Type:     utils.MetaDateTime,
 		Value:    config.NewRSRParsersMustCompile("*month_endTest", utils.InfieldSep),
@@ -246,8 +246,8 @@ func TestEventReqParseFieldDateTimeMonthEnd(t *testing.T) {
 	}
 }
 
-func TestAgentRequestParseFieldDateTimeError(t *testing.T) {
-	EventReq := NewExportRequest(map[string]utils.MapStorage{}, "", nil, nil)
+func TestExportReqParseFieldDateTimeError(t *testing.T) {
+	EventReq := NewExportRequest(map[string]utils.DataStorage{}, "", nil, nil)
 	fctTemp := &config.FCTemplate{
 		Type:     utils.MetaDateTime,
 		Value:    config.NewRSRParsersMustCompile("*month_endTest", utils.InfieldSep),
@@ -261,13 +261,13 @@ func TestAgentRequestParseFieldDateTimeError(t *testing.T) {
 	}
 }
 
-func TestEventReqParseFieldDateTimeError2(t *testing.T) {
+func TestExportReqParseFieldDateTimeError2(t *testing.T) {
 	prsr, err := config.NewRSRParsersFromSlice([]string{"2.", "~*req.CGRID<~*opts.Converter>"})
 	if err != nil {
 		t.Fatal(err)
 	}
-	mS := map[string]utils.MapStorage{
-		utils.MetaOpts: {
+	mS := map[string]utils.DataStorage{
+		utils.MetaOpts: utils.MapStorage{
 			utils.AccountField: "1002",
 			utils.Usage:        "20m",
 		},
@@ -285,9 +285,9 @@ func TestEventReqParseFieldDateTimeError2(t *testing.T) {
 	}
 }
 
-func TestEventReqFieldAsInterface(t *testing.T) {
-	inData := map[string]utils.MapStorage{
-		utils.MetaReq: {
+func TestExportReqFieldAsInterface(t *testing.T) {
+	inData := map[string]utils.DataStorage{
+		utils.MetaReq: utils.MapStorage{
 			"Account": "1001",
 			"Usage":   "10m",
 		},
@@ -310,9 +310,9 @@ func TestEventReqFieldAsInterface(t *testing.T) {
 	}
 }
 
-func TestEventReqNewEventExporter(t *testing.T) {
-	inData := map[string]utils.MapStorage{
-		utils.MetaReq: {
+func TestExportReqNewEventExporter(t *testing.T) {
+	inData := map[string]utils.DataStorage{
+		utils.MetaReq: utils.MapStorage{
 			"Account": "1001",
 			"Usage":   "10m",
 		},
diff --git a/ers/ers.go b/ers/ers.go
index 18a989bc5..252519302 100644
--- a/ers/ers.go
+++ b/ers/ers.go
@@ -416,9 +416,9 @@ func (erS *ERService) onEvicted(id string, value interface{}) {
 			return
 		}
 		// convert the event to record
-		eeReq := engine.NewExportRequest(map[string]utils.MapStorage{
-			utils.MetaReq:  cgrEv.Event,
-			utils.MetaOpts: cgrEv.APIOpts,
+		eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
+			utils.MetaReq:  utils.MapStorage(cgrEv.Event),
+			utils.MetaOpts: utils.MapStorage(cgrEv.APIOpts),
 			utils.MetaCfg:  erS.cfg.GetDataProvider(),
 		}, utils.FirstNonEmpty(cgrEv.Tenant, erS.cfg.GeneralCfg().DefaultTenant),
 			erS.filterS, map[string]*utils.OrderedNavigableMap{
diff --git a/utils/mapstorage.go b/utils/mapstorage.go
index f4d1c6c3f..0f66c25fa 100644
--- a/utils/mapstorage.go
+++ b/utils/mapstorage.go
@@ -27,8 +27,8 @@ import (
 	"time"
 )
 
-// dataStorage is the DataProvider that can be updated
-type dataStorage interface {
+// DataStorage is the DataProvider that can be updated
+type DataStorage interface {
 	DataProvider
 
 	Set(fldPath []string, val interface{}) error
@@ -194,7 +194,7 @@ func (ms MapStorage) Set(fldPath []string, val interface{}) (err error) {
 		return nMap.Set(fldPath[1:], val)
 	}
 	switch dp := ms[fldPath[0]].(type) {
-	case dataStorage:
+	case DataStorage:
 		return dp.Set(fldPath[1:], val)
 	case map[string]interface{}:
 		return MapStorage(dp).Set(fldPath[1:], val)
@@ -232,7 +232,7 @@ func (ms MapStorage) GetKeys(nested bool, nestedLimit int, prefix string) (keys
 		for k, v := range ms { // in case of nested on false we take in consideraton the nestedLimit
 			//keys = append(keys, prefix+k)
 			switch rv := v.(type) { // and for performance we only take in consideration a limited set of types for nested false
-			case dataStorage:
+			case DataStorage:
 				keys = append(keys, rv.GetKeys(nested, nestedLimit-1, prefix+k)...)
 			case map[string]interface{}:
 				keys = append(keys, MapStorage(rv).GetKeys(nested, nestedLimit-1, prefix+k)...)
@@ -247,7 +247,7 @@ func (ms MapStorage) GetKeys(nested bool, nestedLimit int, prefix string) (keys
 	for k, v := range ms {
 		//keys = append(keys, prefix+k)
 		switch rv := v.(type) {
-		case dataStorage:
+		case DataStorage:
 			keys = append(keys, rv.GetKeys(nested, nestedLimit, prefix+k)...)
 		case map[string]interface{}:
 			keys = append(keys, MapStorage(rv).GetKeys(nested, nestedLimit, prefix+k)...)
@@ -257,7 +257,7 @@ func (ms MapStorage) GetKeys(nested bool, nestedLimit int, prefix string) (keys
 				// keys = append(keys, pref)
 				keys = append(keys, dp.GetKeys(nested, nestedLimit, pref)...)
 			}
-		case []dataStorage:
+		case []DataStorage:
 			for i, dp := range rv {
 				pref := prefix + k + fmt.Sprintf("[%v]", i)
 				// keys = append(keys, pref)
@@ -304,7 +304,7 @@ func (ms MapStorage) Remove(fldPath []string) (err error) {
 		return
 	}
 	switch dp := val.(type) {
-	case dataStorage:
+	case DataStorage:
 		return dp.Remove(fldPath[1:])
 	case map[string]interface{}:
 		return MapStorage(dp).Remove(fldPath[1:])
diff --git a/utils/mapstorage_test.go b/utils/mapstorage_test.go
index 14e26e3d8..5a43eeae5 100644
--- a/utils/mapstorage_test.go
+++ b/utils/mapstorage_test.go
@@ -631,7 +631,7 @@ func TestNavMapFieldAsInterface3(t *testing.T) {
 
 func TestNavMapGetKeys2(t *testing.T) {
 	navMp := MapStorage{
-		"FirstLevel": dataStorage(MapStorage{
+		"FirstLevel": DataStorage(MapStorage{
 			"SecondLevel": map[string]interface{}{
 				"ThirdLevel": MapStorage{
 					"Fld1": 123.123,
@@ -654,7 +654,7 @@ func TestNavMapGetKeys2(t *testing.T) {
 		},
 		"Field6":  []string{"1", "2"},
 		"Field7":  []interface{}{"1", "2"},
-		"Field8":  []dataStorage{MapStorage{"A": 1}},
+		"Field8":  []DataStorage{MapStorage{"A": 1}},
 		"Field9":  []MapStorage{{"A": 1}},
 		"Field10": []map[string]interface{}{{"A": 1}},
 	}
diff --git a/utils/safemapstorage.go b/utils/safemapstorage.go
new file mode 100644
index 000000000..07ab7449c
--- /dev/null
+++ b/utils/safemapstorage.go
@@ -0,0 +1,77 @@
+/*
+Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
+Copyright (C) ITsysCOM GmbH
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package utils
+
+import (
+	"sync"
+)
+
+// SafeMapStorage is a Mapstorage with mutex
+type SafeMapStorage struct {
+	MapStorage
+	sync.RWMutex
+}
+
+// String returns the map as json string
+func (ms *SafeMapStorage) String() string {
+	ms.RLock()
+	defer ms.RUnlock()
+	return ms.MapStorage.String()
+}
+
+// FieldAsInterface returns the value from the path
+func (ms *SafeMapStorage) FieldAsInterface(fldPath []string) (val interface{}, err error) {
+	ms.RLock()
+	defer ms.RUnlock()
+	return ms.MapStorage.FieldAsInterface(fldPath)
+}
+
+// FieldAsString returns the value from path as string
+func (ms *SafeMapStorage) FieldAsString(fldPath []string) (str string, err error) {
+	ms.RLock()
+	defer ms.RUnlock()
+	return ms.MapStorage.FieldAsString(fldPath)
+}
+
+// Set sets the value at the given path
+func (ms *SafeMapStorage) Set(fldPath []string, val interface{}) (err error) {
+	ms.Lock()
+	defer ms.Unlock()
+	return ms.MapStorage.Set(fldPath, val)
+}
+
+// GetKeys returns all the keys from map
+func (ms *SafeMapStorage) GetKeys(nested bool, nestedLimit int, prefix string) (keys []string) {
+	ms.RLock()
+	defer ms.RUnlock()
+	return ms.MapStorage.GetKeys(nested, nestedLimit, prefix)
+}
+
+// Remove removes the item at path
+func (ms *SafeMapStorage) Remove(fldPath []string) (err error) {
+	ms.Lock()
+	defer ms.Unlock()
+	return ms.MapStorage.Remove(fldPath)
+}
+
+func (ms *SafeMapStorage) Clone() (msClone *SafeMapStorage) {
+	ms.RLock()
+	defer ms.RUnlock()
+	return &SafeMapStorage{MapStorage: ms.MapStorage.Clone()}
+}