diff --git a/utils/consts.go b/utils/consts.go
index cf49047e5..802120051 100755
--- a/utils/consts.go
+++ b/utils/consts.go
@@ -42,29 +42,32 @@ var (
 		MetaS3jsonMap:     ContentJSON,
 	}
 
-	// CachePartitions enables creation of cache partitions
-	CachePartitions = NewStringSet([]string{CacheDestinations, CacheReverseDestinations,
-		CacheRatingPlans, CacheRatingProfiles, CacheActions, CacheActionPlans,
-		CacheAccountActionPlans, CacheActionTriggers, CacheSharedGroups, CacheTimings,
-		CacheResourceProfiles, CacheResources, CacheEventResources, CacheStatQueueProfiles,
-		CacheStatQueues, CacheThresholdProfiles, CacheThresholds, CacheFilters,
-		CacheRouteProfiles, CacheAttributeProfiles, CacheChargerProfiles, CacheActionProfiles,
-		CacheDispatcherProfiles, CacheDispatcherHosts, CacheDispatchers, CacheResourceFilterIndexes,
-		CacheStatFilterIndexes, CacheThresholdFilterIndexes, CacheRouteFilterIndexes,
-		CacheAttributeFilterIndexes, CacheChargerFilterIndexes, CacheDispatcherFilterIndexes,
-		CacheDispatcherRoutes, CacheDispatcherLoads, CacheDiameterMessages, CacheRPCResponses,
-		CacheClosedSessions, CacheCDRIDs, CacheLoadIDs, CacheRPCConnections, CacheRatingProfilesTmp,
-		CacheUCH, CacheSTIR, CacheEventCharges, CacheRateProfiles, CacheRateProfilesFilterIndexes,
-		CacheRateFilterIndexes, CacheActionProfilesFilterIndexes, CacheAccountProfilesFilterIndexes,
-		CacheAccountProfiles, CacheReverseFilterIndexes, MetaAPIBan, CacheCapsEvents,
-		// only internalDB
-		CacheVersions, CacheAccounts,
-		CacheTBLTPTimings, CacheTBLTPDestinations, CacheTBLTPRates, CacheTBLTPDestinationRates,
+	extraDBPartition = NewStringSet([]string{CacheDispatchers,
+		CacheDispatcherRoutes, CacheDispatcherLoads, CacheDiameterMessages, CacheRPCResponses, CacheClosedSessions,
+		CacheCDRIDs, CacheRPCConnections, CacheUCH, CacheSTIR, CacheEventCharges, MetaAPIBan,
+		CacheCapsEvents, CacheVersions})
+
+	dataDBPartition = NewStringSet([]string{CacheDestinations, CacheReverseDestinations, CacheRatingPlans,
+		CacheRatingProfiles, CacheActions, CacheActionTriggers, CacheSharedGroups, CacheTimings,
+		CacheResourceProfiles, CacheResources, CacheEventResources, CacheStatQueueProfiles, CacheStatQueues,
+		CacheThresholdProfiles, CacheThresholds, CacheFilters, CacheRouteProfiles, CacheAttributeProfiles,
+		CacheChargerProfiles, CacheActionProfiles, CacheDispatcherProfiles, CacheDispatcherHosts,
+		CacheResourceFilterIndexes, CacheStatFilterIndexes, CacheThresholdFilterIndexes, CacheRouteFilterIndexes,
+		CacheAttributeFilterIndexes, CacheChargerFilterIndexes, CacheDispatcherFilterIndexes, CacheLoadIDs,
+		CacheRatingProfilesTmp, CacheRateProfiles, CacheRateProfilesFilterIndexes, CacheRateFilterIndexes,
+		CacheActionProfilesFilterIndexes, CacheAccountProfilesFilterIndexes, CacheReverseFilterIndexes,
+		CacheActionPlans, CacheAccountActionPlans, CacheAccountProfiles, CacheAccounts})
+
+	storDBPartition = NewStringSet([]string{CacheTBLTPTimings, CacheTBLTPDestinations, CacheTBLTPRates, CacheTBLTPDestinationRates,
 		CacheTBLTPRatingPlans, CacheTBLTPRatingProfiles, CacheTBLTPSharedGroups, CacheTBLTPActions,
 		CacheTBLTPActionPlans, CacheTBLTPActionTriggers, CacheTBLTPAccountActions, CacheTBLTPResources,
 		CacheTBLTPStats, CacheTBLTPThresholds, CacheTBLTPFilters, CacheSessionCostsTBL, CacheCDRsTBL,
 		CacheTBLTPRoutes, CacheTBLTPAttributes, CacheTBLTPChargers, CacheTBLTPDispatchers,
 		CacheTBLTPDispatcherHosts, CacheTBLTPRateProfiles, CacheTBLTPActionProfiles, CacheTBLTPAccountProfiles})
+
+	// CachePartitions enables creation of cache partitions
+	CachePartitions = Join(extraDBPartition, dataDBPartition, storDBPartition)
+
 	CacheInstanceToPrefix = map[string]string{
 		CacheDestinations:                 DestinationPrefix,
 		CacheReverseDestinations:          ReverseDestinationPrefix,
diff --git a/utils/set.go b/utils/stringset.go
similarity index 93%
rename from utils/set.go
rename to utils/stringset.go
index 494ad3b21..6bb25f958 100644
--- a/utils/set.go
+++ b/utils/stringset.go
@@ -18,7 +18,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 
 package utils
 
-import "sort"
+import (
+	"sort"
+)
 
 // NewStringSet returns a new StringSet
 func NewStringSet(dataSlice []string) (s StringSet) {
@@ -109,3 +111,13 @@ func (s StringSet) GetOne() string {
 	}
 	return EmptyString
 }
+
+func Join(s ...StringSet) (conc StringSet) {
+	conc = make(StringSet)
+	for _, k := range s {
+		for key := range k {
+			conc.Add(key)
+		}
+	}
+	return
+}
diff --git a/utils/set_test.go b/utils/stringset_test.go
similarity index 92%
rename from utils/set_test.go
rename to utils/stringset_test.go
index 48357fdfa..2185df9cf 100644
--- a/utils/set_test.go
+++ b/utils/stringset_test.go
@@ -235,3 +235,27 @@ func TestGetOne(t *testing.T) {
 		t.Errorf("Expected %+v, received %+v", EmptyString, value)
 	}
 }
+
+func TestStringSetJoin(t *testing.T) {
+	set1 := StringSet{
+		"test1": struct{}{},
+	}
+	set2 := StringSet{
+		"test2": struct{}{},
+		"test5": struct{}{},
+	}
+	set3 := StringSet{
+		"test3": struct{}{},
+	}
+	rcv := Join(set1, set2, set3)
+
+	expected := StringSet{
+		"test1": struct{}{},
+		"test2": struct{}{},
+		"test3": struct{}{},
+		"test5": struct{}{},
+	}
+	if !reflect.DeepEqual(rcv, expected) {
+		t.Errorf("Expected %+v, received %+v", ToJSON(expected), ToJSON(rcv))
+	}
+}