diff --git a/ddl/index.go b/ddl/index.go
index d664472f7539f..be91c301e55b0 100644
--- a/ddl/index.go
+++ b/ddl/index.go
@@ -740,9 +740,9 @@ func pickBackfillType(ctx context.Context, job *model.Job, unique bool, d *ddlCt
 				return model.ReorgTypeNone, err
 			}
 			if variable.EnableDistTask.Load() {
-				_, err = ingest.LitBackCtxMgr.Register(ctx, unique, job.ID, d.etcdCli)
+				_, err = ingest.LitBackCtxMgr.Register(ctx, unique, job.ID, d.etcdCli, job.ReorgMeta.ResourceGroupName)
 			} else {
-				_, err = ingest.LitBackCtxMgr.Register(ctx, unique, job.ID, nil)
+				_, err = ingest.LitBackCtxMgr.Register(ctx, unique, job.ID, nil, job.ReorgMeta.ResourceGroupName)
 			}
 			if err != nil {
 				return model.ReorgTypeNone, err
@@ -921,7 +921,7 @@ func runIngestReorgJob(w *worker, d *ddlCtx, t *meta.Meta, job *model.Job,
 		return true, 0, nil
 	}
 	ctx := logutil.WithCategory(w.ctx, "ddl-ingest")
-	bc, err = ingest.LitBackCtxMgr.Register(ctx, indexInfo.Unique, job.ID, nil)
+	bc, err = ingest.LitBackCtxMgr.Register(ctx, indexInfo.Unique, job.ID, nil, job.ReorgMeta.ResourceGroupName)
 	if err != nil {
 		ver, err = convertAddIdxJob2RollbackJob(d, t, job, tbl.Meta(), indexInfo, err)
 		return false, ver, errors.Trace(err)
@@ -1819,7 +1819,7 @@ func (w *worker) addPhysicalTableIndex(t table.PhysicalTable, reorgInfo *reorgIn
 // addTableIndex handles the add index reorganization state for a table.
 func (w *worker) addTableIndex(t table.Table, reorgInfo *reorgInfo) error {
 	// TODO: Support typeAddIndexMergeTmpWorker.
-	if reorgInfo.Job.ReorgMeta.IsDistReorg && !reorgInfo.mergingTmpIdx {
+	if reorgInfo.ReorgMeta.IsDistReorg && !reorgInfo.mergingTmpIdx {
 		if reorgInfo.ReorgMeta.ReorgTp == model.ReorgTypeLitMerge {
 			err := w.executeDistGlobalTask(reorgInfo)
 			if err != nil {
@@ -1831,7 +1831,7 @@ func (w *worker) addTableIndex(t table.Table, reorgInfo *reorgInfo) error {
 			}
 			if indexInfo.Unique {
 				ctx := logutil.WithCategory(w.ctx, "ddl-ingest")
-				bc, err := ingest.LitBackCtxMgr.Register(ctx, indexInfo.Unique, reorgInfo.ID, nil)
+				bc, err := ingest.LitBackCtxMgr.Register(ctx, indexInfo.Unique, reorgInfo.ID, nil, reorgInfo.ReorgMeta.ResourceGroupName)
 				if err != nil {
 					return err
 				}
diff --git a/ddl/ingest/backend_mgr.go b/ddl/ingest/backend_mgr.go
index c3254c134dd1c..d1e9f907e460c 100644
--- a/ddl/ingest/backend_mgr.go
+++ b/ddl/ingest/backend_mgr.go
@@ -35,7 +35,7 @@ import (
 // BackendCtxMgr is used to manage the backend context.
 type BackendCtxMgr interface {
 	CheckAvailable() (bool, error)
-	Register(ctx context.Context, unique bool, jobID int64, etcdClient *clientv3.Client) (BackendCtx, error)
+	Register(ctx context.Context, unique bool, jobID int64, etcdClient *clientv3.Client, resourceGroupName string) (BackendCtx, error)
 	Unregister(jobID int64)
 	Load(jobID int64) (BackendCtx, bool)
 }
@@ -87,7 +87,7 @@ func (m *litBackendCtxMgr) CheckAvailable() (bool, error) {
 }
 
 // Register creates a new backend and registers it to the backend context.
-func (m *litBackendCtxMgr) Register(ctx context.Context, unique bool, jobID int64, etcdClient *clientv3.Client) (BackendCtx, error) {
+func (m *litBackendCtxMgr) Register(ctx context.Context, unique bool, jobID int64, etcdClient *clientv3.Client, resourceGroupName string) (BackendCtx, error) {
 	bc, exist := m.Load(jobID)
 	if !exist {
 		m.memRoot.RefreshConsumption()
@@ -100,7 +100,7 @@ func (m *litBackendCtxMgr) Register(ctx context.Context, unique bool, jobID int6
 			logutil.Logger(ctx).Warn(LitWarnConfigError, zap.Int64("job ID", jobID), zap.Error(err))
 			return nil, err
 		}
-		bd, err := createLocalBackend(ctx, cfg)
+		bd, err := createLocalBackend(ctx, cfg, resourceGroupName)
 		if err != nil {
 			logutil.Logger(ctx).Error(LitErrCreateBackendFail, zap.Int64("job ID", jobID), zap.Error(err))
 			return nil, err
@@ -119,7 +119,7 @@ func (m *litBackendCtxMgr) Register(ctx context.Context, unique bool, jobID int6
 	return bc, nil
 }
 
-func createLocalBackend(ctx context.Context, cfg *Config) (*local.Backend, error) {
+func createLocalBackend(ctx context.Context, cfg *Config, resourceGroupName string) (*local.Backend, error) {
 	tls, err := cfg.Lightning.ToTLS()
 	if err != nil {
 		logutil.Logger(ctx).Error(LitErrCreateBackendFail, zap.Error(err))
@@ -134,7 +134,7 @@ func createLocalBackend(ctx context.Context, cfg *Config) (*local.Backend, error
 	if cfg.IsRaftKV2 {
 		raftKV2SwitchModeDuration = config.DefaultSwitchTiKVModeInterval
 	}
-	backendConfig := local.NewBackendConfig(cfg.Lightning, int(LitRLimit), cfg.KeyspaceName, "", kvutil.ExplicitTypeDDL, raftKV2SwitchModeDuration)
+	backendConfig := local.NewBackendConfig(cfg.Lightning, int(LitRLimit), cfg.KeyspaceName, resourceGroupName, kvutil.ExplicitTypeDDL, raftKV2SwitchModeDuration)
 	return local.NewBackend(ctx, tls, backendConfig, regionSizeGetter)
 }
 
diff --git a/ddl/ingest/mock.go b/ddl/ingest/mock.go
index b2e8d9ed32675..e0c8812b28c9b 100644
--- a/ddl/ingest/mock.go
+++ b/ddl/ingest/mock.go
@@ -47,7 +47,7 @@ func (m *MockBackendCtxMgr) CheckAvailable() (bool, error) {
 }
 
 // Register implements BackendCtxMgr.Register interface.
-func (m *MockBackendCtxMgr) Register(_ context.Context, _ bool, jobID int64, _ *clientv3.Client) (BackendCtx, error) {
+func (m *MockBackendCtxMgr) Register(_ context.Context, _ bool, jobID int64, _ *clientv3.Client, _ string) (BackendCtx, error) {
 	logutil.BgLogger().Info("mock backend mgr register", zap.Int64("jobID", jobID))
 	if mockCtx, ok := m.runningJobs[jobID]; ok {
 		return mockCtx, nil
diff --git a/ddl/stage_scheduler.go b/ddl/stage_scheduler.go
index 852052f12f9ca..c8274be428c28 100644
--- a/ddl/stage_scheduler.go
+++ b/ddl/stage_scheduler.go
@@ -65,7 +65,7 @@ func NewBackfillSchedulerHandle(ctx context.Context, taskMeta []byte, d *ddl,
 		return nil, errors.New("index info not found")
 	}
 
-	bc, err := ingest.LitBackCtxMgr.Register(ctx, indexInfo.Unique, jobMeta.ID, d.etcdCli)
+	bc, err := ingest.LitBackCtxMgr.Register(ctx, indexInfo.Unique, jobMeta.ID, d.etcdCli, jobMeta.ReorgMeta.ResourceGroupName)
 	if err != nil {
 		return nil, errors.Trace(err)
 	}
diff --git a/tests/realtikvtest/addindextest/integration_test.go b/tests/realtikvtest/addindextest/integration_test.go
index 6bc617e50d1ac..becc553e5a98d 100644
--- a/tests/realtikvtest/addindextest/integration_test.go
+++ b/tests/realtikvtest/addindextest/integration_test.go
@@ -84,7 +84,7 @@ func TestAddIndexIngestLimitOneBackend(t *testing.T) {
 	tk2.MustExec("insert into t2 values (1, 1), (2, 2), (3, 3);")
 
 	// Mock there is a running ingest job.
-	_, err := ingest.LitBackCtxMgr.Register(context.Background(), false, 65535, nil)
+	_, err := ingest.LitBackCtxMgr.Register(context.Background(), false, 65535, nil, "")
 	require.NoError(t, err)
 	wg := &sync.WaitGroup{}
 	wg.Add(2)