diff --git a/cdc/processor/pipeline/sorter.go b/cdc/processor/pipeline/sorter.go
index e237654be78..81d279d80b1 100644
--- a/cdc/processor/pipeline/sorter.go
+++ b/cdc/processor/pipeline/sorter.go
@@ -267,7 +267,7 @@ func (n *sorterNode) handleRawEvent(ctx context.Context, event *model.Polymorphi
 		}
 		atomic.StoreUint64(&n.resolvedTs, rawKV.CRTs)
 
-		if resolvedTs > n.barrierTs &&
+		if resolvedTs > n.BarrierTs() &&
 			!redo.IsConsistentEnabled(n.replConfig.Consistent.Level) {
 			// Do not send resolved ts events that is larger than
 			// barrier ts.
@@ -278,7 +278,7 @@ func (n *sorterNode) handleRawEvent(ctx context.Context, event *model.Polymorphi
 			// resolved ts, conflicts to this change.
 			// TODO: Remove redolog check once redolog decouples for global
 			//       resolved ts.
-			event = model.NewResolvedPolymorphicEvent(0, n.barrierTs)
+			event = model.NewResolvedPolymorphicEvent(0, n.BarrierTs())
 		}
 	}
 	n.sorter.AddEntry(ctx, event)
@@ -299,7 +299,7 @@ func (n *sorterNode) TryHandleDataMessage(ctx context.Context, msg pipeline.Mess
 }
 
 func (n *sorterNode) updateBarrierTs(barrierTs model.Ts) {
-	if barrierTs > atomic.LoadUint64(&n.barrierTs) {
+	if barrierTs > n.BarrierTs() {
 		atomic.StoreUint64(&n.barrierTs, barrierTs)
 	}
 }
@@ -328,3 +328,8 @@ func (n *sorterNode) Destroy(ctx pipeline.NodeContext) error {
 func (n *sorterNode) ResolvedTs() model.Ts {
 	return atomic.LoadUint64(&n.resolvedTs)
 }
+
+// BarrierTs returns the sorter barrierTs
+func (n *sorterNode) BarrierTs() model.Ts {
+	return atomic.LoadUint64(&n.barrierTs)
+}
diff --git a/cdc/processor/pipeline/sorter_test.go b/cdc/processor/pipeline/sorter_test.go
index 06cc897bc64..6741b0abf6f 100644
--- a/cdc/processor/pipeline/sorter_test.go
+++ b/cdc/processor/pipeline/sorter_test.go
@@ -120,7 +120,7 @@ func TestSorterResolvedTsLessEqualBarrierTs(t *testing.T) {
 	)
 	err = sn.Receive(nctx)
 	require.Nil(t, err)
-	require.EqualValues(t, 2, sn.barrierTs)
+	require.EqualValues(t, 2, sn.BarrierTs())
 	// Barrier message must be passed to the next node.
 	require.EqualValues(t, pipeline.BarrierMessage(2), <-ch)
 
@@ -152,7 +152,7 @@ func TestSorterUpdateBarrierTs(t *testing.T) {
 	t.Parallel()
 	s := &sorterNode{barrierTs: 1}
 	s.updateBarrierTs(model.Ts(2))
-	require.Equal(t, model.Ts(2), s.barrierTs)
+	require.Equal(t, model.Ts(2), s.BarrierTs())
 	s.updateBarrierTs(model.Ts(1))
-	require.Equal(t, model.Ts(2), s.barrierTs)
+	require.Equal(t, model.Ts(2), s.BarrierTs())
 }
diff --git a/tests/integration_tests/_utils/start_tidb_cluster_impl b/tests/integration_tests/_utils/start_tidb_cluster_impl
index e127bfa290b..4339b572faa 100755
--- a/tests/integration_tests/_utils/start_tidb_cluster_impl
+++ b/tests/integration_tests/_utils/start_tidb_cluster_impl
@@ -17,7 +17,7 @@ random_file_name=
 randomGenSocketsConf() {
 	random_str=$(date '+%s%N')
 	if [ "$(uname)" == "Darwin" ]; then
-		random_str=$(cat /dev/random | LC_CTYPE=C tr -dc "a-zA-Z0-9" | head -c 10)
+		random_str=$(cat /dev/random | LC_ALL=C tr -dc "a-zA-Z0-9" | head -c 10)
 	fi
 	random_file_name="$OUT_DIR/tidb-config-$random_str.toml"
 
diff --git a/tests/integration_tests/bank_table_actor/conf/ticdc_table_actor.toml b/tests/integration_tests/bank_table_actor/conf/ticdc_table_actor.toml
new file mode 100644
index 00000000000..4baed7a5c84
--- /dev/null
+++ b/tests/integration_tests/bank_table_actor/conf/ticdc_table_actor.toml
@@ -0,0 +1,2 @@
+[debug]
+enable-table-actor=true
diff --git a/tests/integration_tests/bank_table_actor/run.sh b/tests/integration_tests/bank_table_actor/run.sh
new file mode 100644
index 00000000000..69458ac29fc
--- /dev/null
+++ b/tests/integration_tests/bank_table_actor/run.sh
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# TODO: remove this integration test once table actor is enabled by default.
+
+set -eu
+
+CUR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+source $CUR/../_utils/test_prepare
+WORK_DIR=$OUT_DIR/$TEST_NAME
+CDC_BINARY=cdc.test
+SINK_TYPE=$1
+
+function prepare() {
+
+	rm -rf $WORK_DIR && mkdir -p $WORK_DIR
+
+	start_tidb_cluster --workdir $WORK_DIR
+
+	cd $WORK_DIR
+
+	# create table to upstream.
+	run_sql "CREATE DATABASE bank" ${UP_TIDB_HOST} ${UP_TIDB_PORT}
+	run_sql "CREATE DATABASE bank" ${DOWN_TIDB_HOST} ${DOWN_TIDB_PORT}
+
+	run_cdc_server --workdir $WORK_DIR --binary $CDC_BINARY --config $CUR/conf/ticdc_table_actor.toml
+
+	run_cdc_cli changefeed create --sink-uri="mysql://root@${DOWN_TIDB_HOST}:${DOWN_TIDB_PORT}/"
+}
+
+trap stop_tidb_cluster EXIT
+# kafka is not supported yet.
+if [ "$SINK_TYPE" != "kafka" ]; then
+	prepare $*
+
+	cd "$(dirname "$0")"
+	set -euxo pipefail
+
+	GO111MODULE=on go run ../bank/bank.go ../bank/case.go -u "root@tcp(${UP_TIDB_HOST}:${UP_TIDB_PORT})/bank" \
+		-d "root@tcp(${DOWN_TIDB_HOST}:${DOWN_TIDB_PORT})/bank" --test-round=20000
+
+	cleanup_process $CDC_BINARY
+	echo "[$(date)] <<<<<< run test case $TEST_NAME success! >>>>>>"
+fi