diff --git a/cmd/cgr-engine/cgr-engine.go b/cmd/cgr-engine/cgr-engine.go
index 31af38dfe..e32883cee 100644
--- a/cmd/cgr-engine/cgr-engine.go
+++ b/cmd/cgr-engine/cgr-engine.go
@@ -521,7 +521,7 @@ func main() {
 	// Start ServiceManager
 	srvManager := servmanager.NewServiceManager(cfg, exitChan)
 
-	attrS := services.NewAttributeService(cfg, dm, cacheS, filterSChan, server)
+	attrS := services.NewAttributeService(cfg, dmService, cacheS, filterSChan, server)
 	dspS := services.NewDispatcherService(cfg, dm, cacheS, filterSChan, server, attrS.GetIntenternalChan())
 	chrS := services.NewChargerService(cfg, dm, cacheS, filterSChan, server,
 		attrS.GetIntenternalChan(), dspS.GetIntenternalChan())
diff --git a/config/config.go b/config/config.go
index 4c80fd8cd..a7bee3da3 100755
--- a/config/config.go
+++ b/config/config.go
@@ -1516,6 +1516,7 @@ func (cfg *CGRConfig) reloadSection(section string) (err error) {
 		}
 		fallthrough
 	case DATADB_JSN:
+		cfg.rldChans[DATADB_JSN] <- struct{}{}
 		if !fall {
 			break
 		}
@@ -1618,6 +1619,7 @@ func (cfg *CGRConfig) reloadSection(section string) (err error) {
 		}
 		fallthrough
 	case ATTRIBUTE_JSN:
+		cfg.rldChans[DATADB_JSN] <- struct{}{} // reload datadb before
 		cfg.rldChans[ATTRIBUTE_JSN] <- struct{}{}
 		if !fall {
 			break
diff --git a/services/attributes.go b/services/attributes.go
index 3fe69368e..0d123bfd4 100644
--- a/services/attributes.go
+++ b/services/attributes.go
@@ -31,7 +31,7 @@ import (
 )
 
 // NewAttributeService returns the Attribute Service
-func NewAttributeService(cfg *config.CGRConfig, dm *engine.DataManager,
+func NewAttributeService(cfg *config.CGRConfig, dm *DataDBService,
 	cacheS *engine.CacheS, filterSChan chan *engine.FilterS,
 	server *utils.Server) servmanager.Service {
 	return &AttributeService{
@@ -48,7 +48,7 @@ func NewAttributeService(cfg *config.CGRConfig, dm *engine.DataManager,
 type AttributeService struct {
 	sync.RWMutex
 	cfg         *config.CGRConfig
-	dm          *engine.DataManager
+	dm          *DataDBService
 	cacheS      *engine.CacheS
 	filterSChan chan *engine.FilterS
 	server      *utils.Server
@@ -72,7 +72,7 @@ func (attrS *AttributeService) Start() (err error) {
 
 	attrS.Lock()
 	defer attrS.Unlock()
-	attrS.attrS, err = engine.NewAttributeService(attrS.dm, filterS, attrS.cfg)
+	attrS.attrS, err = engine.NewAttributeService(attrS.dm.GetDM(), filterS, attrS.cfg)
 	if err != nil {
 		utils.Logger.Crit(
 			fmt.Sprintf("<%s> Could not init, error: %s",
diff --git a/services/attributes_it_test.go b/services/attributes_it_test.go
index 39fdffd3f..d23899390 100644
--- a/services/attributes_it_test.go
+++ b/services/attributes_it_test.go
@@ -46,15 +46,19 @@ func TestAttributeSReload(t *testing.T) {
 	close(chS.GetPrecacheChannel(utils.CacheAttributeFilterIndexes))
 	server := utils.NewServer()
 	srvMngr := servmanager.NewServiceManager(cfg, engineShutdown)
-	attrS := NewAttributeService(cfg, nil,
+	db := NewDataDBService(cfg)
+	attrS := NewAttributeService(cfg, db,
 		chS, filterSChan, server)
-	srvMngr.AddServices(attrS, NewLoaderService(cfg, nil, filterSChan, server, nil, nil, engineShutdown))
+	srvMngr.AddServices(attrS, NewLoaderService(cfg, nil, filterSChan, server, nil, nil, engineShutdown), db)
 	if err = srvMngr.StartServices(); err != nil {
 		t.Error(err)
 	}
 	if attrS.IsRunning() {
 		t.Errorf("Expected service to be down")
 	}
+	if db.IsRunning() {
+		t.Errorf("Expected service to be down")
+	}
 	var reply string
 	if err := cfg.V1ReloadConfig(&config.ConfigReloadWithArgDispatcher{
 		Path:    path.Join("/usr", "share", "cgrates", "conf", "samples", "tutmongo"),
@@ -68,6 +72,9 @@ func TestAttributeSReload(t *testing.T) {
 	if !attrS.IsRunning() {
 		t.Errorf("Expected service to be running")
 	}
+	if !db.IsRunning() {
+		t.Errorf("Expected service to be running")
+	}
 	cfg.AttributeSCfg().Enabled = false
 	cfg.GetReloadChan(config.ATTRIBUTE_JSN) <- struct{}{}
 	time.Sleep(10 * time.Millisecond)
diff --git a/services/chargers_it_test.go b/services/chargers_it_test.go
index b03946796..405d1096a 100644
--- a/services/chargers_it_test.go
+++ b/services/chargers_it_test.go
@@ -48,9 +48,10 @@ func TestChargerSReload(t *testing.T) {
 	filterSChan <- nil
 	server := utils.NewServer()
 	srvMngr := servmanager.NewServiceManager(cfg, engineShutdown)
-	attrS := NewAttributeService(cfg, nil, chS, filterSChan, server)
+	db := NewDataDBService(cfg)
+	attrS := NewAttributeService(cfg, db, chS, filterSChan, server)
 	chrS := NewChargerService(cfg, nil, chS, filterSChan, server, attrS.GetIntenternalChan(), nil)
-	srvMngr.AddServices(attrS, chrS, NewLoaderService(cfg, nil, filterSChan, server, nil, nil, engineShutdown))
+	srvMngr.AddServices(attrS, chrS, NewLoaderService(cfg, nil, filterSChan, server, nil, nil, engineShutdown), db)
 	if err = srvMngr.StartServices(); err != nil {
 		t.Error(err)
 	}
diff --git a/services/datadb_it_test.go b/services/datadb_it_test.go
new file mode 100644
index 000000000..2b5e83cb2
--- /dev/null
+++ b/services/datadb_it_test.go
@@ -0,0 +1,91 @@
+// +build integration
+
+/*
+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 services
+
+import (
+	"path"
+	"reflect"
+	"testing"
+	"time"
+
+	"github.com/cgrates/cgrates/config"
+	"github.com/cgrates/cgrates/engine"
+	"github.com/cgrates/cgrates/servmanager"
+	"github.com/cgrates/cgrates/utils"
+)
+
+func TestDataDBReload(t *testing.T) {
+	cfg, err := config.NewDefaultCGRConfig()
+	if err != nil {
+		t.Fatal(err)
+	}
+	utils.Newlogger(utils.MetaSysLog, cfg.GeneralCfg().NodeID)
+	utils.Logger.SetLogLevel(7)
+
+	engineShutdown := make(chan bool, 1)
+	chS := engine.NewCacheS(cfg, nil)
+	filterSChan := make(chan *engine.FilterS, 1)
+	filterSChan <- nil
+	close(chS.GetPrecacheChannel(utils.CacheAttributeProfiles))
+	close(chS.GetPrecacheChannel(utils.CacheAttributeFilterIndexes))
+	server := utils.NewServer()
+	srvMngr := servmanager.NewServiceManager(cfg, engineShutdown)
+	db := NewDataDBService(cfg)
+	srvMngr.AddServices(NewAttributeService(cfg, db,
+		chS, filterSChan, server), NewLoaderService(cfg, nil, filterSChan, server, nil, nil, engineShutdown), db)
+	if err = srvMngr.StartServices(); err != nil {
+		t.Error(err)
+	}
+	if db.IsRunning() {
+		t.Errorf("Expected service to be down")
+	}
+	var reply string
+	cfg.AttributeSCfg().Enabled = true
+	if err := cfg.V1ReloadConfig(&config.ConfigReloadWithArgDispatcher{
+		Path:    path.Join("/usr", "share", "cgrates", "conf", "samples", "tutmongo"),
+		Section: config.DATADB_JSN,
+	}, &reply); err != nil {
+		t.Error(err)
+	} else if reply != utils.OK {
+		t.Errorf("Expecting OK ,received %s", reply)
+	}
+	time.Sleep(10 * time.Millisecond) //need to switch to gorutine
+	if !db.IsRunning() {
+		t.Errorf("Expected service to be running")
+	}
+	oldcfg := &config.DataDbCfg{
+		DataDbType:   utils.MONGO,
+		DataDbHost:   "127.0.0.1",
+		DataDbPort:   "27017",
+		DataDbName:   "10",
+		DataDbUser:   "cgrates",
+		QueryTimeout: 10 * time.Second,
+	}
+	if !reflect.DeepEqual(oldcfg, db.oldDBCfg) {
+		t.Errorf("Expected %s received:%s", utils.ToJSON(oldcfg), utils.ToJSON(db.oldDBCfg))
+	}
+	cfg.AttributeSCfg().Enabled = false
+	cfg.GetReloadChan(config.DATADB_JSN) <- struct{}{}
+	time.Sleep(10 * time.Millisecond)
+	if db.IsRunning() {
+		t.Errorf("Expected service to be down")
+	}
+	engineShutdown <- true
+}
diff --git a/services/dispatchers_it_test.go b/services/dispatchers_it_test.go
index 3826508f0..c6e684a0a 100644
--- a/services/dispatchers_it_test.go
+++ b/services/dispatchers_it_test.go
@@ -49,9 +49,10 @@ func TestDispatcherSReload(t *testing.T) {
 	filterSChan <- nil
 	server := utils.NewServer()
 	srvMngr := servmanager.NewServiceManager(cfg, engineShutdown)
-	attrS := NewAttributeService(cfg, nil, chS, filterSChan, server)
+	db := NewDataDBService(cfg)
+	attrS := NewAttributeService(cfg, db, chS, filterSChan, server)
 	srv := NewDispatcherService(cfg, nil, chS, filterSChan, server, attrS.GetIntenternalChan())
-	srvMngr.AddServices(attrS, srv, NewLoaderService(cfg, nil, filterSChan, server, nil, nil, engineShutdown))
+	srvMngr.AddServices(attrS, srv, NewLoaderService(cfg, nil, filterSChan, server, nil, nil, engineShutdown), db)
 	if err = srvMngr.StartServices(); err != nil {
 		t.Error(err)
 	}
diff --git a/servmanager/servmanager.go b/servmanager/servmanager.go
index 11d6e8c75..ab226ddcc 100644
--- a/servmanager/servmanager.go
+++ b/servmanager/servmanager.go
@@ -293,6 +293,10 @@ func (srvMngr *ServiceManager) handleReload() {
 			if err = srvMngr.reloadService(utils.DispatcherS); err != nil {
 				return
 			}
+		case <-srvMngr.GetConfig().GetReloadChan(config.DATADB_JSN):
+			if err = srvMngr.reloadService(utils.DataDB); err != nil {
+				return
+			}
 		}
 		// handle RPC server
 	}