server: create allocator no matter what mode

server/cluster/cluster.go

@@ -343,7 +343,7 @@ func (c *RaftCluster) Start(s Server) error {
 		log.Error("load external timestamp meets error", zap.Error(err))
 	}
 
-	if s.IsAPIServiceMode() {
+	if c.isAPIServiceMode {
 		// bootstrap keyspace group manager after starting other parts successfully.
 		// This order avoids a stuck goroutine in keyspaceGroupManager when it fails to create raftcluster.
 		err = c.keyspaceGroupManager.Bootstrap(c.ctx)

server/server.go

@@ -476,18 +476,16 @@
 	s.tsoDispatcher = tsoutil.NewTSODispatcher(tsoProxyHandleDuration, tsoProxyBatchSize)
 	s.tsoProtoFactory = &tsoutil.TSOProtoFactory{}
 	s.pdProtoFactory = &tsoutil.PDProtoFactory{}
-	if !s.IsAPIServiceMode() {
-		s.tsoAllocatorManager = tso.NewAllocatorManager(s.ctx, mcs.DefaultKeyspaceGroupID, s.member, s.rootPath, s.storage, s, false)
-		// When disabled the Local TSO, we should clean up the Local TSO Allocator's meta info written in etcd if it exists.
-		if !s.cfg.EnableLocalTSO {
-			if err = s.tsoAllocatorManager.CleanUpDCLocation(); err != nil {
-				return err
-			}
+	s.tsoAllocatorManager = tso.NewAllocatorManager(s.ctx, mcs.DefaultKeyspaceGroupID, s.member, s.rootPath, s.storage, s, false)
+	// When disabled the Local TSO, we should clean up the Local TSO Allocator's meta info written in etcd if it exists.
+	if !s.cfg.EnableLocalTSO {
+		if err = s.tsoAllocatorManager.CleanUpDCLocation(); err != nil {
+			return err
 		}
-		if zone, exist := s.cfg.Labels[config.ZoneLabel]; exist && zone != "" && s.cfg.EnableLocalTSO {
-			if err = s.tsoAllocatorManager.SetLocalTSOConfig(zone); err != nil {
-				return err
-			}
+	}
+	if zone, exist := s.cfg.Labels[config.ZoneLabel]; exist && zone != "" && s.cfg.EnableLocalTSO {
+		if err = s.tsoAllocatorManager.SetLocalTSOConfig(zone); err != nil {
+			return err
 		}
 	}