diff --git a/apier/v1/apier.go b/apier/v1/apier.go
index af2778192..1e24c650f 100644
--- a/apier/v1/apier.go
+++ b/apier/v1/apier.go
@@ -264,8 +264,7 @@ func (apierSv1 *APIerSv1) LoadDestination(ctx *context.Context, attrs *AttrLoadD
 	}
 	dbReader, err := engine.NewTpReader(apierSv1.DataManager.DataDB(), apierSv1.StorDb,
 		attrs.TPid, apierSv1.Config.GeneralCfg().DefaultTimezone, apierSv1.Config.ApierCfg().CachesConns,
-		apierSv1.Config.ApierCfg().SchedulerConns,
-		apierSv1.Config.DataDbCfg().Type == utils.MetaInternal)
+		apierSv1.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
@@ -296,8 +295,7 @@ func (apierSv1 *APIerSv1) LoadRatingPlan(ctx *context.Context, attrs *AttrLoadRa
 	}
 	dbReader, err := engine.NewTpReader(apierSv1.DataManager.DataDB(), apierSv1.StorDb,
 		attrs.TPid, apierSv1.Config.GeneralCfg().DefaultTimezone,
-		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns,
-		apierSv1.Config.DataDbCfg().Type == utils.MetaInternal)
+		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
@@ -320,8 +318,7 @@ func (apierSv1 *APIerSv1) LoadRatingProfile(ctx *context.Context, attrs *utils.T
 	}
 	dbReader, err := engine.NewTpReader(apierSv1.DataManager.DataDB(), apierSv1.StorDb,
 		attrs.TPid, apierSv1.Config.GeneralCfg().DefaultTimezone,
-		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns,
-		apierSv1.Config.DataDbCfg().Type == utils.MetaInternal)
+		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
@@ -355,8 +352,7 @@ func (apierSv1 *APIerSv1) LoadSharedGroup(ctx *context.Context, attrs *AttrLoadS
 	}
 	dbReader, err := engine.NewTpReader(apierSv1.DataManager.DataDB(), apierSv1.StorDb,
 		attrs.TPid, apierSv1.Config.GeneralCfg().DefaultTimezone,
-		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns,
-		apierSv1.Config.DataDbCfg().Type == utils.MetaInternal)
+		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
@@ -382,8 +378,7 @@ func (apierSv1 *APIerSv1) LoadTariffPlanFromStorDb(ctx *context.Context, attrs *
 	}
 	dbReader, err := engine.NewTpReader(apierSv1.DataManager.DataDB(), apierSv1.StorDb,
 		attrs.TPid, apierSv1.Config.GeneralCfg().DefaultTimezone,
-		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns,
-		apierSv1.Config.DataDbCfg().Type == utils.MetaInternal)
+		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
@@ -970,8 +965,7 @@ func (apierSv1 *APIerSv1) LoadAccountActions(ctx *context.Context, attrs *utils.
 	}
 	dbReader, err := engine.NewTpReader(apierSv1.DataManager.DataDB(), apierSv1.StorDb,
 		attrs.TPid, apierSv1.Config.GeneralCfg().DefaultTimezone,
-		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns,
-		apierSv1.Config.DataDbCfg().Type == utils.MetaInternal)
+		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
@@ -1014,8 +1008,7 @@ func (apierSv1 *APIerSv1) LoadTariffPlanFromFolder(ctx *context.Context, attrs *
 	// create the TpReader
 	loader, err := engine.NewTpReader(apierSv1.DataManager.DataDB(),
 		csvStorage, "", apierSv1.Config.GeneralCfg().DefaultTimezone,
-		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns,
-		apierSv1.Config.DataDbCfg().Type == utils.MetaInternal)
+		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
@@ -1091,8 +1084,7 @@ func (apierSv1 *APIerSv1) RemoveTPFromFolder(ctx *context.Context, attrs *utils.
 	// create the TpReader
 	loader, err := engine.NewTpReader(apierSv1.DataManager.DataDB(),
 		csvStorage, "", apierSv1.Config.GeneralCfg().DefaultTimezone,
-		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns,
-		apierSv1.Config.DataDbCfg().Type == utils.MetaInternal)
+		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
@@ -1150,8 +1142,7 @@ func (apierSv1 *APIerSv1) RemoveTPFromStorDB(ctx *context.Context, attrs *AttrLo
 	}
 	dbReader, err := engine.NewTpReader(apierSv1.DataManager.DataDB(), apierSv1.StorDb,
 		attrs.TPid, apierSv1.Config.GeneralCfg().DefaultTimezone,
-		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns,
-		apierSv1.Config.DataDbCfg().Type == utils.MetaInternal)
+		apierSv1.Config.ApierCfg().CachesConns, apierSv1.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
diff --git a/apier/v2/apier.go b/apier/v2/apier.go
index b4b57d98f..afabdf384 100644
--- a/apier/v2/apier.go
+++ b/apier/v2/apier.go
@@ -51,8 +51,7 @@ func (apiv2 *APIerSv2) LoadRatingProfile(ctx *context.Context, attrs *AttrLoadRa
 	}
 	dbReader, err := engine.NewTpReader(apiv2.DataManager.DataDB(), apiv2.StorDb,
 		attrs.TPid, apiv2.Config.GeneralCfg().DefaultTimezone,
-		apiv2.Config.ApierCfg().CachesConns, apiv2.Config.ApierCfg().SchedulerConns,
-		apiv2.Config.DataDbCfg().Type == utils.MetaInternal)
+		apiv2.Config.ApierCfg().CachesConns, apiv2.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
@@ -86,8 +85,7 @@ func (apiv2 *APIerSv2) LoadAccountActions(ctx *context.Context, attrs *AttrLoadA
 	}
 	dbReader, err := engine.NewTpReader(apiv2.DataManager.DataDB(), apiv2.StorDb,
 		attrs.TPid, apiv2.Config.GeneralCfg().DefaultTimezone,
-		apiv2.Config.ApierCfg().CachesConns, apiv2.Config.ApierCfg().SchedulerConns,
-		apiv2.Config.DataDbCfg().Type == utils.MetaInternal)
+		apiv2.Config.ApierCfg().CachesConns, apiv2.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
@@ -127,8 +125,7 @@ func (apiv2 *APIerSv2) LoadTariffPlanFromFolder(ctx *context.Context, attrs *uti
 
 	loader, err := engine.NewTpReader(apiv2.DataManager.DataDB(),
 		csvStorage, "", apiv2.Config.GeneralCfg().DefaultTimezone,
-		apiv2.Config.ApierCfg().CachesConns, apiv2.Config.ApierCfg().SchedulerConns,
-		apiv2.Config.DataDbCfg().Type == utils.MetaInternal)
+		apiv2.Config.ApierCfg().CachesConns, apiv2.Config.ApierCfg().SchedulerConns)
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
diff --git a/cmd/cgr-loader/cgr-loader.go b/cmd/cgr-loader/cgr-loader.go
index 91833b678..3dac218e9 100644
--- a/cmd/cgr-loader/cgr-loader.go
+++ b/cmd/cgr-loader/cgr-loader.go
@@ -403,7 +403,7 @@ func main() {
 	if tpReader, err = engine.NewTpReader(dataDB, loader,
 		ldrCfg.LoaderCgrCfg().TpID, ldrCfg.GeneralCfg().DefaultTimezone,
 		ldrCfg.LoaderCgrCfg().CachesConns,
-		ldrCfg.LoaderCgrCfg().SchedulerConns, false); err != nil {
+		ldrCfg.LoaderCgrCfg().SchedulerConns); err != nil {
 		log.Fatal(err)
 	}
 	if err = tpReader.LoadAll(); err != nil {
diff --git a/config/config.go b/config/config.go
index 590bbae82..ec9779bb4 100644
--- a/config/config.go
+++ b/config/config.go
@@ -479,8 +479,8 @@ func (cfg *CGRConfig) loadDataDBCfg(jsnCfg *CgrJsonCfg) (err error) {
 	// in case of internalDB we need to disable the cache
 	// so we enforce it here
 	if cfg.dataDbCfg.Type == utils.MetaInternal {
-		// overwrite only DataDBPartitions and leave other unmodified ( e.g. *diameter_messages, *closed_sessions, etc... )
-		for key := range utils.DataDBPartitions {
+		// overwrite only StatelessDataDBPartitions and leave other unmodified ( e.g. *diameter_messages, *closed_sessions, etc... )
+		for key := range utils.StatelessDataDBPartitions {
 			if _, has := cfg.cacheCfg.Partitions[key]; has {
 				cfg.cacheCfg.Partitions[key] = &CacheParamCfg{}
 			}
diff --git a/config/configsanity.go b/config/configsanity.go
index ce2eddd2d..2dc38d228 100644
--- a/config/configsanity.go
+++ b/config/configsanity.go
@@ -1111,8 +1111,8 @@ func (cfg *CGRConfig) checkConfigSanity() error {
 	// DataDB sanity checks
 	if cfg.dataDbCfg.Type == utils.MetaInternal {
 		for key, config := range cfg.cacheCfg.Partitions {
-			if utils.DataDBPartitions.Has(key) && config.Limit != 0 {
-				return fmt.Errorf("<%s> %s needs to be 0 when DataBD is *internal, received : %d", utils.CacheS, key, config.Limit)
+			if utils.StatelessDataDBPartitions.Has(key) && config.Limit != 0 {
+				return fmt.Errorf("<%s> %s needs to be 0 when DataBD is *internal and with no persistence, received : %d", utils.CacheS, key, config.Limit)
 			}
 		}
 		if (cfg.dataDbCfg.Opts.InternalDBDumpInterval != 0 ||
diff --git a/engine/tpreader.go b/engine/tpreader.go
index 64a2f7b55..3f7b37022 100644
--- a/engine/tpreader.go
+++ b/engine/tpreader.go
@@ -62,11 +62,10 @@ type TpReader struct {
 	acntActionPlans    map[string][]string
 	cacheConns         []string
 	schedulerConns     []string
-	isInternalDB       bool // do not reload cache if we use intarnalDB
 }
 
 func NewTpReader(db DataDB, lr LoadReader, tpid, timezone string,
-	cacheConns, schedulerConns []string, isInternalDB bool) (*TpReader, error) {
+	cacheConns, schedulerConns []string) (*TpReader, error) {
 
 	tpr := &TpReader{
 		tpid:           tpid,
@@ -75,7 +74,6 @@ func NewTpReader(db DataDB, lr LoadReader, tpid, timezone string,
 		lr:             lr,
 		cacheConns:     cacheConns,
 		schedulerConns: schedulerConns,
-		isInternalDB:   isInternalDB,
 	}
 	tpr.Init()
 	//add default timing tag (in case of no timings file)
@@ -2389,9 +2387,6 @@ func (tpr *TpReader) RemoveFromDatabase(verbose, disableReverse bool) (err error
 }
 
 func (tpr *TpReader) ReloadCache(caching string, verbose bool, opts map[string]any, tenant string) (err error) {
-	if tpr.isInternalDB {
-		return
-	}
 	if len(tpr.cacheConns) == 0 {
 		log.Print("Disabled automatic reload")
 		return
diff --git a/utils/consts.go b/utils/consts.go
index 96fde9b2c..25d4ed5d9 100644
--- a/utils/consts.go
+++ b/utils/consts.go
@@ -36,6 +36,18 @@ var (
 		CacheCDRIDs, CacheRPCConnections, CacheUCH, CacheSTIR, CacheEventCharges, MetaAPIBan, MetaSentryPeer,
 		CacheRatingProfilesTmp, CacheCapsEvents, CacheReplicationHosts})
 
+	// DataDBPartitions excluding Resources, Thresholds, Trends, Rankings, IPs, Stats
+	StatelessDataDBPartitions = NewStringSet([]string{
+		CacheDestinations, CacheReverseDestinations, CacheRatingPlans,
+		CacheRatingProfiles, CacheDispatcherProfiles, CacheDispatcherHosts,
+		CacheChargerProfiles, CacheActions, CacheActionTriggers, CacheSharedGroups,
+		CacheTimings, CacheFilters, CacheRouteProfiles, CacheAttributeProfiles,
+		CacheRouteFilterIndexes, CacheAttributeFilterIndexes,
+		CacheChargerFilterIndexes, CacheDispatcherFilterIndexes, CacheLoadIDs,
+		CacheReverseFilterIndexes, CacheActionPlans, CacheAccountActionPlans,
+		CacheAccounts, CacheVersions,
+	})
+
 	DataDBPartitions = NewStringSet([]string{
 		CacheDestinations, CacheReverseDestinations, CacheRatingPlans,
 		CacheRatingProfiles, CacheDispatcherProfiles, CacheDispatcherHosts,