add CreateTopic API

9 files changed, 703 insertions, 389 deletions

diff --git a/weed/mq/balancer/balancer.go b/weed/mq/balancer/balancer.go
index 837dc0ce3..b240f2d5f 100644
--- a/weed/mq/balancer/balancer.go
+++ b/weed/mq/balancer/balancer.go
@@ -7,7 +7,8 @@ import (
 )
 
 const (
-	MaxPartitionCount = 8 * 9 * 5 * 7 //2520
+	MaxPartitionCount  = 8 * 9 * 5 * 7 //2520
+	LockBrokerBalancer = "broker_balancer"
 )
 
 type Balancer struct {
diff --git a/weed/mq/broker/broker_grpc_lookup.go b/weed/mq/broker/broker_grpc_lookup.go
index 9fc9c9fe4..9dda9b7d1 100644
--- a/weed/mq/broker/broker_grpc_lookup.go
+++ b/weed/mq/broker/broker_grpc_lookup.go
@@ -7,6 +7,26 @@ import (
 	"google.golang.org/grpc/status"
 )
 
+func (broker *MessageQueueBroker) CreateTopic(ctx context.Context, request *mq_pb.CreateTopicRequest) (resp *mq_pb.CreateTopicResponse, err error) {
+	if broker.currentBalancer == "" {
+		return nil, status.Errorf(codes.Unavailable, "no balancer")
+	}
+	if !broker.lockAsBalancer.IsLocked() {
+		proxyErr := broker.withBrokerClient(false, broker.currentBalancer, func(client mq_pb.SeaweedMessagingClient) error {
+			resp, err = client.CreateTopic(ctx, request)
+			return nil
+		})
+		if proxyErr != nil {
+			return nil, proxyErr
+		}
+		return resp, err
+	}
+
+	ret := &mq_pb.CreateTopicResponse{}
+	ret.BrokerPartitionAssignments, err = broker.Balancer.LookupOrAllocateTopicPartitions(request.Topic, true)
+	return ret, err
+}
+
 // FindTopicBrokers returns the brokers that are serving the topic
 //
 //  1. lock the topic
diff --git a/weed/mq/broker/broker_server.go b/weed/mq/broker/broker_server.go
index 2ab20ac52..94888e14c 100644
--- a/weed/mq/broker/broker_server.go
+++ b/weed/mq/broker/broker_server.go
@@ -70,7 +70,7 @@ func NewMessageBroker(option *MessageQueueBrokerOption, grpcDialOption grpc.Dial
 		glog.V(1).Infof("broker %s found filer %s", self, mqBroker.currentFiler)
 
 		lockClient := cluster.NewLockClient(grpcDialOption, mqBroker.currentFiler)
-		mqBroker.lockAsBalancer = lockClient.StartLock(LockBrokerBalancer, self)
+		mqBroker.lockAsBalancer = lockClient.StartLock(balancer.LockBrokerBalancer, self)
 		for {
 			err := mqBroker.BrokerConnectToBalancer(self)
 			if err != nil {
diff --git a/weed/mq/broker/broker_stats.go b/weed/mq/broker/broker_stats.go
index 20dd7039e..3314f49a4 100644
--- a/weed/mq/broker/broker_stats.go
+++ b/weed/mq/broker/broker_stats.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
+	"github.com/seaweedfs/seaweedfs/weed/mq/balancer"
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
@@ -11,17 +12,13 @@ import (
 	"time"
 )
 
-const (
-	LockBrokerBalancer = "broker_balancer"
-)
-
 // BrokerConnectToBalancer connects to the broker balancer and sends stats
 func (broker *MessageQueueBroker) BrokerConnectToBalancer(self string) error {
 	// find the lock owner
 	var brokerBalancer string
 	err := broker.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
 		resp, err := client.FindLockOwner(context.Background(), &filer_pb.FindLockOwnerRequest{
-			Name: LockBrokerBalancer,
+			Name: balancer.LockBrokerBalancer,
 		})
 		if err != nil {
 			return err
@@ -32,6 +29,7 @@ func (broker *MessageQueueBroker) BrokerConnectToBalancer(self string) error {
 	if err != nil {
 		return err
 	}
+	broker.currentBalancer = pb.ServerAddress(brokerBalancer)
 
 	glog.V(1).Infof("broker %s found balancer %s", self, brokerBalancer)
 
diff --git a/weed/pb/mq.proto b/weed/pb/mq.proto
index 08c41f751..36329ef0e 100644
--- a/weed/pb/mq.proto
+++ b/weed/pb/mq.proto
@@ -26,6 +26,8 @@ service SeaweedMessaging {
     // control plane for topic partitions
     rpc LookupTopicBrokers (LookupTopicBrokersRequest) returns (LookupTopicBrokersResponse) {
     }
+    rpc CreateTopic (CreateTopicRequest) returns (CreateTopicResponse) {
+    }
     // a pub client will call this to get the topic partitions assignment
     rpc RequestTopicPartitions (RequestTopicPartitionsRequest) returns (RequestTopicPartitionsResponse) {
     }
@@ -128,6 +130,13 @@ message ConnectToBalancerRequest {
 message ConnectToBalancerResponse {
 }
 //////////////////////////////////////////////////
+message CreateTopicRequest {
+    Topic topic = 1;
+    int32 partition_count = 2;
+}
+message CreateTopicResponse {
+    repeated BrokerPartitionAssignment broker_partition_assignments = 2;
+}
 message LookupTopicBrokersRequest {
     Topic topic = 1;
     bool is_for_publish = 2;
diff --git a/weed/pb/mq_pb/mq.pb.go b/weed/pb/mq_pb/mq.pb.go
index 8bd661dd8..b8af3fb97 100644
--- a/weed/pb/mq_pb/mq.pb.go
+++ b/weed/pb/mq_pb/mq.pb.go
@@ -919,6 +919,108 @@ func (*ConnectToBalancerResponse) Descriptor() ([]byte, []int) {
 }
 
 // ////////////////////////////////////////////////
+type CreateTopicRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Topic          *Topic `protobuf:"bytes,1,opt,name=topic,proto3" json:"topic,omitempty"`
+	PartitionCount int32  `protobuf:"varint,2,opt,name=partition_count,json=partitionCount,proto3" json:"partition_count,omitempty"`
+}
+
+func (x *CreateTopicRequest) Reset() {
+	*x = CreateTopicRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_mq_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateTopicRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateTopicRequest) ProtoMessage() {}
+
+func (x *CreateTopicRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_mq_proto_msgTypes[16]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateTopicRequest.ProtoReflect.Descriptor instead.
+func (*CreateTopicRequest) Descriptor() ([]byte, []int) {
+	return file_mq_proto_rawDescGZIP(), []int{16}
+}
+
+func (x *CreateTopicRequest) GetTopic() *Topic {
+	if x != nil {
+		return x.Topic
+	}
+	return nil
+}
+
+func (x *CreateTopicRequest) GetPartitionCount() int32 {
+	if x != nil {
+		return x.PartitionCount
+	}
+	return 0
+}
+
+type CreateTopicResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	BrokerPartitionAssignments []*BrokerPartitionAssignment `protobuf:"bytes,2,rep,name=broker_partition_assignments,json=brokerPartitionAssignments,proto3" json:"broker_partition_assignments,omitempty"`
+}
+
+func (x *CreateTopicResponse) Reset() {
+	*x = CreateTopicResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_mq_proto_msgTypes[17]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateTopicResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateTopicResponse) ProtoMessage() {}
+
+func (x *CreateTopicResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_mq_proto_msgTypes[17]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateTopicResponse.ProtoReflect.Descriptor instead.
+func (*CreateTopicResponse) Descriptor() ([]byte, []int) {
+	return file_mq_proto_rawDescGZIP(), []int{17}
+}
+
+func (x *CreateTopicResponse) GetBrokerPartitionAssignments() []*BrokerPartitionAssignment {
+	if x != nil {
+		return x.BrokerPartitionAssignments
+	}
+	return nil
+}
+
 type LookupTopicBrokersRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -931,7 +1033,7 @@ type LookupTopicBrokersRequest struct {
 func (x *LookupTopicBrokersRequest) Reset() {
 	*x = LookupTopicBrokersRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[16]
+		mi := &file_mq_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -944,7 +1046,7 @@ func (x *LookupTopicBrokersRequest) String() string {
 func (*LookupTopicBrokersRequest) ProtoMessage() {}
 
 func (x *LookupTopicBrokersRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[16]
+	mi := &file_mq_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -957,7 +1059,7 @@ func (x *LookupTopicBrokersRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LookupTopicBrokersRequest.ProtoReflect.Descriptor instead.
 func (*LookupTopicBrokersRequest) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{16}
+	return file_mq_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *LookupTopicBrokersRequest) GetTopic() *Topic {
@@ -986,7 +1088,7 @@ type LookupTopicBrokersResponse struct {
 func (x *LookupTopicBrokersResponse) Reset() {
 	*x = LookupTopicBrokersResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[17]
+		mi := &file_mq_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -999,7 +1101,7 @@ func (x *LookupTopicBrokersResponse) String() string {
 func (*LookupTopicBrokersResponse) ProtoMessage() {}
 
 func (x *LookupTopicBrokersResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[17]
+	mi := &file_mq_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1012,7 +1114,7 @@ func (x *LookupTopicBrokersResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LookupTopicBrokersResponse.ProtoReflect.Descriptor instead.
 func (*LookupTopicBrokersResponse) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{17}
+	return file_mq_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *LookupTopicBrokersResponse) GetTopic() *Topic {
@@ -1042,7 +1144,7 @@ type BrokerPartitionAssignment struct {
 func (x *BrokerPartitionAssignment) Reset() {
 	*x = BrokerPartitionAssignment{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[18]
+		mi := &file_mq_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1055,7 +1157,7 @@ func (x *BrokerPartitionAssignment) String() string {
 func (*BrokerPartitionAssignment) ProtoMessage() {}
 
 func (x *BrokerPartitionAssignment) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[18]
+	mi := &file_mq_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1068,7 +1170,7 @@ func (x *BrokerPartitionAssignment) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BrokerPartitionAssignment.ProtoReflect.Descriptor instead.
 func (*BrokerPartitionAssignment) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{18}
+	return file_mq_proto_rawDescGZIP(), []int{20}
 }
 
 func (x *BrokerPartitionAssignment) GetPartition() *Partition {
@@ -1104,7 +1206,7 @@ type RequestTopicPartitionsRequest struct {
 func (x *RequestTopicPartitionsRequest) Reset() {
 	*x = RequestTopicPartitionsRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[19]
+		mi := &file_mq_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1117,7 +1219,7 @@ func (x *RequestTopicPartitionsRequest) String() string {
 func (*RequestTopicPartitionsRequest) ProtoMessage() {}
 
 func (x *RequestTopicPartitionsRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[19]
+	mi := &file_mq_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1130,7 +1232,7 @@ func (x *RequestTopicPartitionsRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RequestTopicPartitionsRequest.ProtoReflect.Descriptor instead.
 func (*RequestTopicPartitionsRequest) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{19}
+	return file_mq_proto_rawDescGZIP(), []int{21}
 }
 
 func (x *RequestTopicPartitionsRequest) GetTopic() *Topic {
@@ -1158,7 +1260,7 @@ type RequestTopicPartitionsResponse struct {
 func (x *RequestTopicPartitionsResponse) Reset() {
 	*x = RequestTopicPartitionsResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[20]
+		mi := &file_mq_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1171,7 +1273,7 @@ func (x *RequestTopicPartitionsResponse) String() string {
 func (*RequestTopicPartitionsResponse) ProtoMessage() {}
 
 func (x *RequestTopicPartitionsResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[20]
+	mi := &file_mq_proto_msgTypes[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1184,7 +1286,7 @@ func (x *RequestTopicPartitionsResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RequestTopicPartitionsResponse.ProtoReflect.Descriptor instead.
 func (*RequestTopicPartitionsResponse) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{20}
+	return file_mq_proto_rawDescGZIP(), []int{22}
 }
 
 func (x *RequestTopicPartitionsResponse) GetBrokerPartitionAssignments() []*BrokerPartitionAssignment {
@@ -1207,7 +1309,7 @@ type AssignTopicPartitionsRequest struct {
 func (x *AssignTopicPartitionsRequest) Reset() {
 	*x = AssignTopicPartitionsRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[21]
+		mi := &file_mq_proto_msgTypes[23]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1220,7 +1322,7 @@ func (x *AssignTopicPartitionsRequest) String() string {
 func (*AssignTopicPartitionsRequest) ProtoMessage() {}
 
 func (x *AssignTopicPartitionsRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[21]
+	mi := &file_mq_proto_msgTypes[23]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1233,7 +1335,7 @@ func (x *AssignTopicPartitionsRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AssignTopicPartitionsRequest.ProtoReflect.Descriptor instead.
 func (*AssignTopicPartitionsRequest) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{21}
+	return file_mq_proto_rawDescGZIP(), []int{23}
 }
 
 func (x *AssignTopicPartitionsRequest) GetTopic() *Topic {
@@ -1266,7 +1368,7 @@ type AssignTopicPartitionsResponse struct {
 func (x *AssignTopicPartitionsResponse) Reset() {
 	*x = AssignTopicPartitionsResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[22]
+		mi := &file_mq_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1279,7 +1381,7 @@ func (x *AssignTopicPartitionsResponse) String() string {
 func (*AssignTopicPartitionsResponse) ProtoMessage() {}
 
 func (x *AssignTopicPartitionsResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[22]
+	mi := &file_mq_proto_msgTypes[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1292,7 +1394,7 @@ func (x *AssignTopicPartitionsResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AssignTopicPartitionsResponse.ProtoReflect.Descriptor instead.
 func (*AssignTopicPartitionsResponse) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{22}
+	return file_mq_proto_rawDescGZIP(), []int{24}
 }
 
 type CheckTopicPartitionsStatusRequest struct {
@@ -1309,7 +1411,7 @@ type CheckTopicPartitionsStatusRequest struct {
 func (x *CheckTopicPartitionsStatusRequest) Reset() {
 	*x = CheckTopicPartitionsStatusRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[23]
+		mi := &file_mq_proto_msgTypes[25]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1322,7 +1424,7 @@ func (x *CheckTopicPartitionsStatusRequest) String() string {
 func (*CheckTopicPartitionsStatusRequest) ProtoMessage() {}
 
 func (x *CheckTopicPartitionsStatusRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[23]
+	mi := &file_mq_proto_msgTypes[25]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1335,7 +1437,7 @@ func (x *CheckTopicPartitionsStatusRequest) ProtoReflect() protoreflect.Message
 
 // Deprecated: Use CheckTopicPartitionsStatusRequest.ProtoReflect.Descriptor instead.
 func (*CheckTopicPartitionsStatusRequest) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{23}
+	return file_mq_proto_rawDescGZIP(), []int{25}
 }
 
 func (x *CheckTopicPartitionsStatusRequest) GetNamespace() string {
@@ -1377,7 +1479,7 @@ type CheckTopicPartitionsStatusResponse struct {
 func (x *CheckTopicPartitionsStatusResponse) Reset() {
 	*x = CheckTopicPartitionsStatusResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[24]
+		mi := &file_mq_proto_msgTypes[26]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1390,7 +1492,7 @@ func (x *CheckTopicPartitionsStatusResponse) String() string {
 func (*CheckTopicPartitionsStatusResponse) ProtoMessage() {}
 
 func (x *CheckTopicPartitionsStatusResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[24]
+	mi := &file_mq_proto_msgTypes[26]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1403,7 +1505,7 @@ func (x *CheckTopicPartitionsStatusResponse) ProtoReflect() protoreflect.Message
 
 // Deprecated: Use CheckTopicPartitionsStatusResponse.ProtoReflect.Descriptor instead.
 func (*CheckTopicPartitionsStatusResponse) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{24}
+	return file_mq_proto_rawDescGZIP(), []int{26}
 }
 
 func (x *CheckTopicPartitionsStatusResponse) GetBrokerPartitionAssignments() []*BrokerPartitionAssignment {
@@ -1426,7 +1528,7 @@ type DataMessage struct {
 func (x *DataMessage) Reset() {
 	*x = DataMessage{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[25]
+		mi := &file_mq_proto_msgTypes[27]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1439,7 +1541,7 @@ func (x *DataMessage) String() string {
 func (*DataMessage) ProtoMessage() {}
 
 func (x *DataMessage) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[25]
+	mi := &file_mq_proto_msgTypes[27]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1452,7 +1554,7 @@ func (x *DataMessage) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DataMessage.ProtoReflect.Descriptor instead.
 func (*DataMessage) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{25}
+	return file_mq_proto_rawDescGZIP(), []int{27}
 }
 
 func (x *DataMessage) GetKey() []byte {
@@ -1485,7 +1587,7 @@ type PublishRequest struct {
 func (x *PublishRequest) Reset() {
 	*x = PublishRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[26]
+		mi := &file_mq_proto_msgTypes[28]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1498,7 +1600,7 @@ func (x *PublishRequest) String() string {
 func (*PublishRequest) ProtoMessage() {}
 
 func (x *PublishRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[26]
+	mi := &file_mq_proto_msgTypes[28]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1511,7 +1613,7 @@ func (x *PublishRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PublishRequest.ProtoReflect.Descriptor instead.
 func (*PublishRequest) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{26}
+	return file_mq_proto_rawDescGZIP(), []int{28}
 }
 
 func (m *PublishRequest) GetMessage() isPublishRequest_Message {
@@ -1571,7 +1673,7 @@ type PublishResponse struct {
 func (x *PublishResponse) Reset() {
 	*x = PublishResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[27]
+		mi := &file_mq_proto_msgTypes[29]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1584,7 +1686,7 @@ func (x *PublishResponse) String() string {
 func (*PublishResponse) ProtoMessage() {}
 
 func (x *PublishResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[27]
+	mi := &file_mq_proto_msgTypes[29]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1597,7 +1699,7 @@ func (x *PublishResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PublishResponse.ProtoReflect.Descriptor instead.
 func (*PublishResponse) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{27}
+	return file_mq_proto_rawDescGZIP(), []int{29}
 }
 
 func (x *PublishResponse) GetAckSequence() int64 {
@@ -1633,7 +1735,7 @@ type SubscribeRequest struct {
 func (x *SubscribeRequest) Reset() {
 	*x = SubscribeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[28]
+		mi := &file_mq_proto_msgTypes[30]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1646,7 +1748,7 @@ func (x *SubscribeRequest) String() string {
 func (*SubscribeRequest) ProtoMessage() {}
 
 func (x *SubscribeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[28]
+	mi := &file_mq_proto_msgTypes[30]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1659,7 +1761,7 @@ func (x *SubscribeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SubscribeRequest.ProtoReflect.Descriptor instead.
 func (*SubscribeRequest) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{28}
+	return file_mq_proto_rawDescGZIP(), []int{30}
 }
 
 func (x *SubscribeRequest) GetConsumer() *SubscribeRequest_Consumer {
@@ -1691,7 +1793,7 @@ type SubscribeResponse struct {
 func (x *SubscribeResponse) Reset() {
 	*x = SubscribeResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[29]
+		mi := &file_mq_proto_msgTypes[31]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1704,7 +1806,7 @@ func (x *SubscribeResponse) String() string {
 func (*SubscribeResponse) ProtoMessage() {}
 
 func (x *SubscribeResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[29]
+	mi := &file_mq_proto_msgTypes[31]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1717,7 +1819,7 @@ func (x *SubscribeResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SubscribeResponse.ProtoReflect.Descriptor instead.
 func (*SubscribeResponse) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{29}
+	return file_mq_proto_rawDescGZIP(), []int{31}
 }
 
 func (m *SubscribeResponse) GetMessage() isSubscribeResponse_Message {
@@ -1768,7 +1870,7 @@ type ConnectToBalancerRequest_InitMessage struct {
 func (x *ConnectToBalancerRequest_InitMessage) Reset() {
 	*x = ConnectToBalancerRequest_InitMessage{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[31]
+		mi := &file_mq_proto_msgTypes[33]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1781,7 +1883,7 @@ func (x *ConnectToBalancerRequest_InitMessage) String() string {
 func (*ConnectToBalancerRequest_InitMessage) ProtoMessage() {}
 
 func (x *ConnectToBalancerRequest_InitMessage) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[31]
+	mi := &file_mq_proto_msgTypes[33]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1817,7 +1919,7 @@ type PublishRequest_InitMessage struct {
 func (x *PublishRequest_InitMessage) Reset() {
 	*x = PublishRequest_InitMessage{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[32]
+		mi := &file_mq_proto_msgTypes[34]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1830,7 +1932,7 @@ func (x *PublishRequest_InitMessage) String() string {
 func (*PublishRequest_InitMessage) ProtoMessage() {}
 
 func (x *PublishRequest_InitMessage) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[32]
+	mi := &file_mq_proto_msgTypes[34]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1843,7 +1945,7 @@ func (x *PublishRequest_InitMessage) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PublishRequest_InitMessage.ProtoReflect.Descriptor instead.
 func (*PublishRequest_InitMessage) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{26, 0}
+	return file_mq_proto_rawDescGZIP(), []int{28, 0}
 }
 
 func (x *PublishRequest_InitMessage) GetTopic() *Topic {
@@ -1880,7 +1982,7 @@ type SubscribeRequest_Consumer struct {
 func (x *SubscribeRequest_Consumer) Reset() {
 	*x = SubscribeRequest_Consumer{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[33]
+		mi := &file_mq_proto_msgTypes[35]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1893,7 +1995,7 @@ func (x *SubscribeRequest_Consumer) String() string {
 func (*SubscribeRequest_Consumer) ProtoMessage() {}
 
 func (x *SubscribeRequest_Consumer) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[33]
+	mi := &file_mq_proto_msgTypes[35]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1906,7 +2008,7 @@ func (x *SubscribeRequest_Consumer) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SubscribeRequest_Consumer.ProtoReflect.Descriptor instead.
 func (*SubscribeRequest_Consumer) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{28, 0}
+	return file_mq_proto_rawDescGZIP(), []int{30, 0}
 }
 
 func (x *SubscribeRequest_Consumer) GetConsumerGroup() string {
@@ -1948,7 +2050,7 @@ type SubscribeRequest_Cursor struct {
 func (x *SubscribeRequest_Cursor) Reset() {
 	*x = SubscribeRequest_Cursor{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[34]
+		mi := &file_mq_proto_msgTypes[36]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1961,7 +2063,7 @@ func (x *SubscribeRequest_Cursor) String() string {
 func (*SubscribeRequest_Cursor) ProtoMessage() {}
 
 func (x *SubscribeRequest_Cursor) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[34]
+	mi := &file_mq_proto_msgTypes[36]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1974,7 +2076,7 @@ func (x *SubscribeRequest_Cursor) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SubscribeRequest_Cursor.ProtoReflect.Descriptor instead.
 func (*SubscribeRequest_Cursor) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{28, 1}
+	return file_mq_proto_rawDescGZIP(), []int{30, 1}
 }
 
 func (x *SubscribeRequest_Cursor) GetTopic() *Topic {
@@ -2047,7 +2149,7 @@ type SubscribeResponse_CtrlMessage struct {
 func (x *SubscribeResponse_CtrlMessage) Reset() {
 	*x = SubscribeResponse_CtrlMessage{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_mq_proto_msgTypes[35]
+		mi := &file_mq_proto_msgTypes[37]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2060,7 +2162,7 @@ func (x *SubscribeResponse_CtrlMessage) String() string {
 func (*SubscribeResponse_CtrlMessage) ProtoMessage() {}
 
 func (x *SubscribeResponse_CtrlMessage) ProtoReflect() protoreflect.Message {
-	mi := &file_mq_proto_msgTypes[35]
+	mi := &file_mq_proto_msgTypes[37]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2073,7 +2175,7 @@ func (x *SubscribeResponse_CtrlMessage) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SubscribeResponse_CtrlMessage.ProtoReflect.Descriptor instead.
 func (*SubscribeResponse_CtrlMessage) Descriptor() ([]byte, []int) {
-	return file_mq_proto_rawDescGZIP(), []int{29, 0}
+	return file_mq_proto_rawDescGZIP(), []int{31, 0}
 }
 
 func (x *SubscribeResponse_CtrlMessage) GetError() string {
@@ -2199,248 +2301,268 @@ var file_mq_proto_rawDesc = []byte{
 	0x6b, 0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x62, 0x72, 0x6f, 0x6b, 0x65,
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 }
 
 var (
@@ -2455,7 +2577,7 @@ func file_mq_proto_rawDescGZIP() []byte {
 	return file_mq_proto_rawDescData
 }
 
-var file_mq_proto_msgTypes = make([]protoimpl.MessageInfo, 36)
+var file_mq_proto_msgTypes = make([]protoimpl.MessageInfo, 38)
 var file_mq_proto_goTypes = []interface{}{
 	(*SegmentInfo)(nil),                          // 0: messaging_pb.SegmentInfo
 	(*FindBrokerLeaderRequest)(nil),              // 1: messaging_pb.FindBrokerLeaderRequest
@@ -2473,85 +2595,91 @@ var file_mq_proto_goTypes = []interface{}{
 	(*TopicPartitionStats)(nil),                  // 13: messaging_pb.TopicPartitionStats
 	(*ConnectToBalancerRequest)(nil),             // 14: messaging_pb.ConnectToBalancerRequest
 	(*ConnectToBalancerResponse)(nil),            // 15: messaging_pb.ConnectToBalancerResponse
-	(*LookupTopicBrokersRequest)(nil),            // 16: messaging_pb.LookupTopicBrokersRequest
-	(*LookupTopicBrokersResponse)(nil),           // 17: messaging_pb.LookupTopicBrokersResponse
-	(*BrokerPartitionAssignment)(nil),            // 18: messaging_pb.BrokerPartitionAssignment
-	(*RequestTopicPartitionsRequest)(nil),        // 19: messaging_pb.RequestTopicPartitionsRequest
-	(*RequestTopicPartitionsResponse)(nil),       // 20: messaging_pb.RequestTopicPartitionsResponse
-	(*AssignTopicPartitionsRequest)(nil),         // 21: messaging_pb.AssignTopicPartitionsRequest
-	(*AssignTopicPartitionsResponse)(nil),        // 22: messaging_pb.AssignTopicPartitionsResponse
-	(*CheckTopicPartitionsStatusRequest)(nil),    // 23: messaging_pb.CheckTopicPartitionsStatusRequest
-	(*CheckTopicPartitionsStatusResponse)(nil),   // 24: messaging_pb.CheckTopicPartitionsStatusResponse
-	(*DataMessage)(nil),                          // 25: messaging_pb.DataMessage
-	(*PublishRequest)(nil),                       // 26: messaging_pb.PublishRequest
-	(*PublishResponse)(nil),                      // 27: messaging_pb.PublishResponse
-	(*SubscribeRequest)(nil),                     // 28: messaging_pb.SubscribeRequest
-	(*SubscribeResponse)(nil),                    // 29: messaging_pb.SubscribeResponse
-	nil,                                          // 30: messaging_pb.BrokerStats.StatsEntry
-	(*ConnectToBalancerRequest_InitMessage)(nil), // 31: messaging_pb.ConnectToBalancerRequest.InitMessage
-	(*PublishRequest_InitMessage)(nil),           // 32: messaging_pb.PublishRequest.InitMessage
-	(*SubscribeRequest_Consumer)(nil),            // 33: messaging_pb.SubscribeRequest.Consumer
-	(*SubscribeRequest_Cursor)(nil),              // 34: messaging_pb.SubscribeRequest.Cursor
-	(*SubscribeResponse_CtrlMessage)(nil),        // 35: messaging_pb.SubscribeResponse.CtrlMessage
+	(*CreateTopicRequest)(nil),                   // 16: messaging_pb.CreateTopicRequest
+	(*CreateTopicResponse)(nil),                  // 17: messaging_pb.CreateTopicResponse
+	(*LookupTopicBrokersRequest)(nil),            // 18: messaging_pb.LookupTopicBrokersRequest
+	(*LookupTopicBrokersResponse)(nil),           // 19: messaging_pb.LookupTopicBrokersResponse
+	(*BrokerPartitionAssignment)(nil),            // 20: messaging_pb.BrokerPartitionAssignment
+	(*RequestTopicPartitionsRequest)(nil),        // 21: messaging_pb.RequestTopicPartitionsRequest
+	(*RequestTopicPartitionsResponse)(nil),       // 22: messaging_pb.RequestTopicPartitionsResponse
+	(*AssignTopicPartitionsRequest)(nil),         // 23: messaging_pb.AssignTopicPartitionsRequest
+	(*AssignTopicPartitionsResponse)(nil),        // 24: messaging_pb.AssignTopicPartitionsResponse
+	(*CheckTopicPartitionsStatusRequest)(nil),    // 25: messaging_pb.CheckTopicPartitionsStatusRequest
+	(*CheckTopicPartitionsStatusResponse)(nil),   // 26: messaging_pb.CheckTopicPartitionsStatusResponse
+	(*DataMessage)(nil),                          // 27: messaging_pb.DataMessage
+	(*PublishRequest)(nil),                       // 28: messaging_pb.PublishRequest
+	(*PublishResponse)(nil),                      // 29: messaging_pb.PublishResponse
+	(*SubscribeRequest)(nil),                     // 30: messaging_pb.SubscribeRequest
+	(*SubscribeResponse)(nil),                    // 31: messaging_pb.SubscribeResponse
+	nil,                                          // 32: messaging_pb.BrokerStats.StatsEntry
+	(*ConnectToBalancerRequest_InitMessage)(nil), // 33: messaging_pb.ConnectToBalancerRequest.InitMessage
+	(*PublishRequest_InitMessage)(nil),           // 34: messaging_pb.PublishRequest.InitMessage
+	(*SubscribeRequest_Consumer)(nil),            // 35: messaging_pb.SubscribeRequest.Consumer
+	(*SubscribeRequest_Cursor)(nil),              // 36: messaging_pb.SubscribeRequest.Cursor
+	(*SubscribeResponse_CtrlMessage)(nil),        // 37: messaging_pb.SubscribeResponse.CtrlMessage
 }
 var file_mq_proto_depIdxs = []int32{
 	5,  // 0: messaging_pb.SegmentInfo.segment:type_name -> messaging_pb.Segment
 	4,  // 1: messaging_pb.Segment.partition:type_name -> messaging_pb.Partition
 	5,  // 2: messaging_pb.AssignSegmentBrokersRequest.segment:type_name -> messaging_pb.Segment
 	5,  // 3: messaging_pb.CheckSegmentStatusRequest.segment:type_name -> messaging_pb.Segment
-	30, // 4: messaging_pb.BrokerStats.stats:type_name -> messaging_pb.BrokerStats.StatsEntry
+	32, // 4: messaging_pb.BrokerStats.stats:type_name -> messaging_pb.BrokerStats.StatsEntry
 	3,  // 5: messaging_pb.TopicPartitionStats.topic:type_name -> messaging_pb.Topic
 	4,  // 6: messaging_pb.TopicPartitionStats.partition:type_name -> messaging_pb.Partition
-	31, // 7: messaging_pb.ConnectToBalancerRequest.init:type_name -> messaging_pb.ConnectToBalancerRequest.InitMessage
+	33, // 7: messaging_pb.ConnectToBalancerRequest.init:type_name -> messaging_pb.ConnectToBalancerRequest.InitMessage
 	12, // 8: messaging_pb.ConnectToBalancerRequest.stats:type_name -> messaging_pb.BrokerStats
-	3,  // 9: messaging_pb.LookupTopicBrokersRequest.topic:type_name -> messaging_pb.Topic
-	3,  // 10: messaging_pb.LookupTopicBrokersResponse.topic:type_name -> messaging_pb.Topic
-	18, // 11: messaging_pb.LookupTopicBrokersResponse.broker_partition_assignments:type_name -> messaging_pb.BrokerPartitionAssignment
-	4,  // 12: messaging_pb.BrokerPartitionAssignment.partition:type_name -> messaging_pb.Partition
-	3,  // 13: messaging_pb.RequestTopicPartitionsRequest.topic:type_name -> messaging_pb.Topic
-	18, // 14: messaging_pb.RequestTopicPartitionsResponse.broker_partition_assignments:type_name -> messaging_pb.BrokerPartitionAssignment
-	3,  // 15: messaging_pb.AssignTopicPartitionsRequest.topic:type_name -> messaging_pb.Topic
-	18, // 16: messaging_pb.AssignTopicPartitionsRequest.broker_partition_assignments:type_name -> messaging_pb.BrokerPartitionAssignment
-	18, // 17: messaging_pb.CheckTopicPartitionsStatusRequest.broker_partition_assignment:type_name -> messaging_pb.BrokerPartitionAssignment
-	18, // 18: messaging_pb.CheckTopicPartitionsStatusResponse.broker_partition_assignments:type_name -> messaging_pb.BrokerPartitionAssignment
-	32, // 19: messaging_pb.PublishRequest.init:type_name -> messaging_pb.PublishRequest.InitMessage
-	25, // 20: messaging_pb.PublishRequest.data:type_name -> messaging_pb.DataMessage
-	33, // 21: messaging_pb.SubscribeRequest.consumer:type_name -> messaging_pb.SubscribeRequest.Consumer
-	34, // 22: messaging_pb.SubscribeRequest.cursor:type_name -> messaging_pb.SubscribeRequest.Cursor
-	35, // 23: messaging_pb.SubscribeResponse.ctrl:type_name -> messaging_pb.SubscribeResponse.CtrlMessage
-	25, // 24: messaging_pb.SubscribeResponse.data:type_name -> messaging_pb.DataMessage
-	13, // 25: messaging_pb.BrokerStats.StatsEntry.value:type_name -> messaging_pb.TopicPartitionStats
-	3,  // 26: messaging_pb.PublishRequest.InitMessage.topic:type_name -> messaging_pb.Topic
-	4,  // 27: messaging_pb.PublishRequest.InitMessage.partition:type_name -> messaging_pb.Partition
-	3,  // 28: messaging_pb.SubscribeRequest.Cursor.topic:type_name -> messaging_pb.Topic
-	4,  // 29: messaging_pb.SubscribeRequest.Cursor.partition:type_name -> messaging_pb.Partition
-	1,  // 30: messaging_pb.SeaweedMessaging.FindBrokerLeader:input_type -> messaging_pb.FindBrokerLeaderRequest
-	6,  // 31: messaging_pb.SeaweedMessaging.AssignSegmentBrokers:input_type -> messaging_pb.AssignSegmentBrokersRequest
-	8,  // 32: messaging_pb.SeaweedMessaging.CheckSegmentStatus:input_type -> messaging_pb.CheckSegmentStatusRequest
-	10, // 33: messaging_pb.SeaweedMessaging.CheckBrokerLoad:input_type -> messaging_pb.CheckBrokerLoadRequest
-	14, // 34: messaging_pb.SeaweedMessaging.ConnectToBalancer:input_type -> messaging_pb.ConnectToBalancerRequest
-	16, // 35: messaging_pb.SeaweedMessaging.LookupTopicBrokers:input_type -> messaging_pb.LookupTopicBrokersRequest
-	19, // 36: messaging_pb.SeaweedMessaging.RequestTopicPartitions:input_type -> messaging_pb.RequestTopicPartitionsRequest
-	21, // 37: messaging_pb.SeaweedMessaging.AssignTopicPartitions:input_type -> messaging_pb.AssignTopicPartitionsRequest
-	23, // 38: messaging_pb.SeaweedMessaging.CheckTopicPartitionsStatus:input_type -> messaging_pb.CheckTopicPartitionsStatusRequest
-	26, // 39: messaging_pb.SeaweedMessaging.Publish:input_type -> messaging_pb.PublishRequest
-	28, // 40: messaging_pb.SeaweedMessaging.Subscribe:input_type -> messaging_pb.SubscribeRequest
-	2,  // 41: messaging_pb.SeaweedMessaging.FindBrokerLeader:output_type -> messaging_pb.FindBrokerLeaderResponse
-	7,  // 42: messaging_pb.SeaweedMessaging.AssignSegmentBrokers:output_type -> messaging_pb.AssignSegmentBrokersResponse
-	9,  // 43: messaging_pb.SeaweedMessaging.CheckSegmentStatus:output_type -> messaging_pb.CheckSegmentStatusResponse
-	11, // 44: messaging_pb.SeaweedMessaging.CheckBrokerLoad:output_type -> messaging_pb.CheckBrokerLoadResponse
-	15, // 45: messaging_pb.SeaweedMessaging.ConnectToBalancer:output_type -> messaging_pb.ConnectToBalancerResponse
-	17, // 46: messaging_pb.SeaweedMessaging.LookupTopicBrokers:output_type -> messaging_pb.LookupTopicBrokersResponse
-	20, // 47: messaging_pb.SeaweedMessaging.RequestTopicPartitions:output_type -> messaging_pb.RequestTopicPartitionsResponse
-	22, // 48: messaging_pb.SeaweedMessaging.AssignTopicPartitions:output_type -> messaging_pb.AssignTopicPartitionsResponse
-	24, // 49: messaging_pb.SeaweedMessaging.CheckTopicPartitionsStatus:output_type -> messaging_pb.CheckTopicPartitionsStatusResponse
-	27, // 50: messaging_pb.SeaweedMessaging.Publish:output_type -> messaging_pb.PublishResponse
-	29, // 51: messaging_pb.SeaweedMessaging.Subscribe:output_type -> messaging_pb.SubscribeResponse
-	41, // [41:52] is the sub-list for method output_type
-	30, // [30:41] is the sub-list for method input_type
-	30, // [30:30] is the sub-list for extension type_name
-	30, // [30:30] is the sub-list for extension extendee
-	0,  // [0:30] is the sub-list for field type_name
+	3,  // 9: messaging_pb.CreateTopicRequest.topic:type_name -> messaging_pb.Topic
+	20, // 10: messaging_pb.CreateTopicResponse.broker_partition_assignments:type_name -> messaging_pb.BrokerPartitionAssignment
+	3,  // 11: messaging_pb.LookupTopicBrokersRequest.topic:type_name -> messaging_pb.Topic
+	3,  // 12: messaging_pb.LookupTopicBrokersResponse.topic:type_name -> messaging_pb.Topic
+	20, // 13: messaging_pb.LookupTopicBrokersResponse.broker_partition_assignments:type_name -> messaging_pb.BrokerPartitionAssignment
+	4,  // 14: messaging_pb.BrokerPartitionAssignment.partition:type_name -> messaging_pb.Partition
+	3,  // 15: messaging_pb.RequestTopicPartitionsRequest.topic:type_name -> messaging_pb.Topic
+	20, // 16: messaging_pb.RequestTopicPartitionsResponse.broker_partition_assignments:type_name -> messaging_pb.BrokerPartitionAssignment
+	3,  // 17: messaging_pb.AssignTopicPartitionsRequest.topic:type_name -> messaging_pb.Topic
+	20, // 18: messaging_pb.AssignTopicPartitionsRequest.broker_partition_assignments:type_name -> messaging_pb.BrokerPartitionAssignment
+	20, // 19: messaging_pb.CheckTopicPartitionsStatusRequest.broker_partition_assignment:type_name -> messaging_pb.BrokerPartitionAssignment
+	20, // 20: messaging_pb.CheckTopicPartitionsStatusResponse.broker_partition_assignments:type_name -> messaging_pb.BrokerPartitionAssignment
+	34, // 21: messaging_pb.PublishRequest.init:type_name -> messaging_pb.PublishRequest.InitMessage
+	27, // 22: messaging_pb.PublishRequest.data:type_name -> messaging_pb.DataMessage
+	35, // 23: messaging_pb.SubscribeRequest.consumer:type_name -> messaging_pb.SubscribeRequest.Consumer
+	36, // 24: messaging_pb.SubscribeRequest.cursor:type_name -> messaging_pb.SubscribeRequest.Cursor
+	37, // 25: messaging_pb.SubscribeResponse.ctrl:type_name -> messaging_pb.SubscribeResponse.CtrlMessage
+	27, // 26: messaging_pb.SubscribeResponse.data:type_name -> messaging_pb.DataMessage
+	13, // 27: messaging_pb.BrokerStats.StatsEntry.value:type_name -> messaging_pb.TopicPartitionStats
+	3,  // 28: messaging_pb.PublishRequest.InitMessage.topic:type_name -> messaging_pb.Topic
+	4,  // 29: messaging_pb.PublishRequest.InitMessage.partition:type_name -> messaging_pb.Partition
+	3,  // 30: messaging_pb.SubscribeRequest.Cursor.topic:type_name -> messaging_pb.Topic
+	4,  // 31: messaging_pb.SubscribeRequest.Cursor.partition:type_name -> messaging_pb.Partition
+	1,  // 32: messaging_pb.SeaweedMessaging.FindBrokerLeader:input_type -> messaging_pb.FindBrokerLeaderRequest
+	6,  // 33: messaging_pb.SeaweedMessaging.AssignSegmentBrokers:input_type -> messaging_pb.AssignSegmentBrokersRequest
+	8,  // 34: messaging_pb.SeaweedMessaging.CheckSegmentStatus:input_type -> messaging_pb.CheckSegmentStatusRequest
+	10, // 35: messaging_pb.SeaweedMessaging.CheckBrokerLoad:input_type -> messaging_pb.CheckBrokerLoadRequest
+	14, // 36: messaging_pb.SeaweedMessaging.ConnectToBalancer:input_type -> messaging_pb.ConnectToBalancerRequest
+	18, // 37: messaging_pb.SeaweedMessaging.LookupTopicBrokers:input_type -> messaging_pb.LookupTopicBrokersRequest
+	16, // 38: messaging_pb.SeaweedMessaging.CreateTopic:input_type -> messaging_pb.CreateTopicRequest
+	21, // 39: messaging_pb.SeaweedMessaging.RequestTopicPartitions:input_type -> messaging_pb.RequestTopicPartitionsRequest
+	23, // 40: messaging_pb.SeaweedMessaging.AssignTopicPartitions:input_type -> messaging_pb.AssignTopicPartitionsRequest
+	25, // 41: messaging_pb.SeaweedMessaging.CheckTopicPartitionsStatus:input_type -> messaging_pb.CheckTopicPartitionsStatusRequest
+	28, // 42: messaging_pb.SeaweedMessaging.Publish:input_type -> messaging_pb.PublishRequest
+	30, // 43: messaging_pb.SeaweedMessaging.Subscribe:input_type -> messaging_pb.SubscribeRequest
+	2,  // 44: messaging_pb.SeaweedMessaging.FindBrokerLeader:output_type -> messaging_pb.FindBrokerLeaderResponse
+	7,  // 45: messaging_pb.SeaweedMessaging.AssignSegmentBrokers:output_type -> messaging_pb.AssignSegmentBrokersResponse
+	9,  // 46: messaging_pb.SeaweedMessaging.CheckSegmentStatus:output_type -> messaging_pb.CheckSegmentStatusResponse
+	11, // 47: messaging_pb.SeaweedMessaging.CheckBrokerLoad:output_type -> messaging_pb.CheckBrokerLoadResponse
+	15, // 48: messaging_pb.SeaweedMessaging.ConnectToBalancer:output_type -> messaging_pb.ConnectToBalancerResponse
+	19, // 49: messaging_pb.SeaweedMessaging.LookupTopicBrokers:output_type -> messaging_pb.LookupTopicBrokersResponse
+	17, // 50: messaging_pb.SeaweedMessaging.CreateTopic:output_type -> messaging_pb.CreateTopicResponse
+	22, // 51: messaging_pb.SeaweedMessaging.RequestTopicPartitions:output_type -> messaging_pb.RequestTopicPartitionsResponse
+	24, // 52: messaging_pb.SeaweedMessaging.AssignTopicPartitions:output_type -> messaging_pb.AssignTopicPartitionsResponse
+	26, // 53: messaging_pb.SeaweedMessaging.CheckTopicPartitionsStatus:output_type -> messaging_pb.CheckTopicPartitionsStatusResponse
+	29, // 54: messaging_pb.SeaweedMessaging.Publish:output_type -> messaging_pb.PublishResponse
+	31, // 55: messaging_pb.SeaweedMessaging.Subscribe:output_type -> messaging_pb.SubscribeResponse
+	44, // [44:56] is the sub-list for method output_type
+	32, // [32:44] is the sub-list for method input_type
+	32, // [32:32] is the sub-list for extension type_name
+	32, // [32:32] is the sub-list for extension extendee
+	0,  // [0:32] is the sub-list for field type_name
 }
 
 func init() { file_mq_proto_init() }
@@ -2753,7 +2881,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LookupTopicBrokersRequest); i {
+			switch v := v.(*CreateTopicRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2765,7 +2893,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LookupTopicBrokersResponse); i {
+			switch v := v.(*CreateTopicResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2777,7 +2905,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BrokerPartitionAssignment); i {
+			switch v := v.(*LookupTopicBrokersRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2789,7 +2917,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RequestTopicPartitionsRequest); i {
+			switch v := v.(*LookupTopicBrokersResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2801,7 +2929,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RequestTopicPartitionsResponse); i {
+			switch v := v.(*BrokerPartitionAssignment); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2813,7 +2941,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AssignTopicPartitionsRequest); i {
+			switch v := v.(*RequestTopicPartitionsRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2825,7 +2953,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AssignTopicPartitionsResponse); i {
+			switch v := v.(*RequestTopicPartitionsResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2837,7 +2965,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CheckTopicPartitionsStatusRequest); i {
+			switch v := v.(*AssignTopicPartitionsRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2849,7 +2977,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CheckTopicPartitionsStatusResponse); i {
+			switch v := v.(*AssignTopicPartitionsResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2861,7 +2989,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DataMessage); i {
+			switch v := v.(*CheckTopicPartitionsStatusRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2873,7 +3001,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PublishRequest); i {
+			switch v := v.(*CheckTopicPartitionsStatusResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2885,7 +3013,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PublishResponse); i {
+			switch v := v.(*DataMessage); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2897,7 +3025,7 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SubscribeRequest); i {
+			switch v := v.(*PublishRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2909,7 +3037,19 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SubscribeResponse); i {
+			switch v := v.(*PublishResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_mq_proto_msgTypes[30].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SubscribeRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2921,6 +3061,18 @@ func file_mq_proto_init() {
 			}
 		}
 		file_mq_proto_msgTypes[31].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SubscribeResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_mq_proto_msgTypes[33].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ConnectToBalancerRequest_InitMessage); i {
 			case 0:
 				return &v.state
@@ -2932,7 +3084,7 @@ func file_mq_proto_init() {
 				return nil
 			}
 		}
-		file_mq_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
+		file_mq_proto_msgTypes[34].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PublishRequest_InitMessage); i {
 			case 0:
 				return &v.state
@@ -2944,7 +3096,7 @@ func file_mq_proto_init() {
 				return nil
 			}
 		}
-		file_mq_proto_msgTypes[33].Exporter = func(v interface{}, i int) interface{} {
+		file_mq_proto_msgTypes[35].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SubscribeRequest_Consumer); i {
 			case 0:
 				return &v.state
@@ -2956,7 +3108,7 @@ func file_mq_proto_init() {
 				return nil
 			}
 		}
-		file_mq_proto_msgTypes[34].Exporter = func(v interface{}, i int) interface{} {
+		file_mq_proto_msgTypes[36].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SubscribeRequest_Cursor); i {
 			case 0:
 				return &v.state
@@ -2968,7 +3120,7 @@ func file_mq_proto_init() {
 				return nil
 			}
 		}
-		file_mq_proto_msgTypes[35].Exporter = func(v interface{}, i int) interface{} {
+		file_mq_proto_msgTypes[37].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SubscribeResponse_CtrlMessage); i {
 			case 0:
 				return &v.state
@@ -2985,15 +3137,15 @@ func file_mq_proto_init() {
 		(*ConnectToBalancerRequest_Init)(nil),
 		(*ConnectToBalancerRequest_Stats)(nil),
 	}
-	file_mq_proto_msgTypes[26].OneofWrappers = []interface{}{
+	file_mq_proto_msgTypes[28].OneofWrappers = []interface{}{
 		(*PublishRequest_Init)(nil),
 		(*PublishRequest_Data)(nil),
 	}
-	file_mq_proto_msgTypes[29].OneofWrappers = []interface{}{
+	file_mq_proto_msgTypes[31].OneofWrappers = []interface{}{
 		(*SubscribeResponse_Ctrl)(nil),
 		(*SubscribeResponse_Data)(nil),
 	}
-	file_mq_proto_msgTypes[34].OneofWrappers = []interface{}{
+	file_mq_proto_msgTypes[36].OneofWrappers = []interface{}{
 		(*SubscribeRequest_Cursor_StartOffset)(nil),
 		(*SubscribeRequest_Cursor_StartTimestampNs)(nil),
 	}
@@ -3003,7 +3155,7 @@ func file_mq_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_mq_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   36,
+			NumMessages:   38,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/weed/pb/mq_pb/mq_grpc.pb.go b/weed/pb/mq_pb/mq_grpc.pb.go
index 377151750..aba253e1c 100644
--- a/weed/pb/mq_pb/mq_grpc.pb.go
+++ b/weed/pb/mq_pb/mq_grpc.pb.go
@@ -31,6 +31,7 @@ type SeaweedMessagingClient interface {
 	ConnectToBalancer(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_ConnectToBalancerClient, error)
 	// control plane for topic partitions
 	LookupTopicBrokers(ctx context.Context, in *LookupTopicBrokersRequest, opts ...grpc.CallOption) (*LookupTopicBrokersResponse, error)
+	CreateTopic(ctx context.Context, in *CreateTopicRequest, opts ...grpc.CallOption) (*CreateTopicResponse, error)
 	// a pub client will call this to get the topic partitions assignment
 	RequestTopicPartitions(ctx context.Context, in *RequestTopicPartitionsRequest, opts ...grpc.CallOption) (*RequestTopicPartitionsResponse, error)
 	AssignTopicPartitions(ctx context.Context, in *AssignTopicPartitionsRequest, opts ...grpc.CallOption) (*AssignTopicPartitionsResponse, error)
@@ -124,6 +125,15 @@ func (c *seaweedMessagingClient) LookupTopicBrokers(ctx context.Context, in *Loo
 	return out, nil
 }
 
+func (c *seaweedMessagingClient) CreateTopic(ctx context.Context, in *CreateTopicRequest, opts ...grpc.CallOption) (*CreateTopicResponse, error) {
+	out := new(CreateTopicResponse)
+	err := c.cc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/CreateTopic", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *seaweedMessagingClient) RequestTopicPartitions(ctx context.Context, in *RequestTopicPartitionsRequest, opts ...grpc.CallOption) (*RequestTopicPartitionsResponse, error) {
 	out := new(RequestTopicPartitionsResponse)
 	err := c.cc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/RequestTopicPartitions", in, out, opts...)
@@ -227,6 +237,7 @@ type SeaweedMessagingServer interface {
 	ConnectToBalancer(SeaweedMessaging_ConnectToBalancerServer) error
 	// control plane for topic partitions
 	LookupTopicBrokers(context.Context, *LookupTopicBrokersRequest) (*LookupTopicBrokersResponse, error)
+	CreateTopic(context.Context, *CreateTopicRequest) (*CreateTopicResponse, error)
 	// a pub client will call this to get the topic partitions assignment
 	RequestTopicPartitions(context.Context, *RequestTopicPartitionsRequest) (*RequestTopicPartitionsResponse, error)
 	AssignTopicPartitions(context.Context, *AssignTopicPartitionsRequest) (*AssignTopicPartitionsResponse, error)
@@ -259,6 +270,9 @@ func (UnimplementedSeaweedMessagingServer) ConnectToBalancer(SeaweedMessaging_Co
 func (UnimplementedSeaweedMessagingServer) LookupTopicBrokers(context.Context, *LookupTopicBrokersRequest) (*LookupTopicBrokersResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method LookupTopicBrokers not implemented")
 }
+func (UnimplementedSeaweedMessagingServer) CreateTopic(context.Context, *CreateTopicRequest) (*CreateTopicResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateTopic not implemented")
+}
 func (UnimplementedSeaweedMessagingServer) RequestTopicPartitions(context.Context, *RequestTopicPartitionsRequest) (*RequestTopicPartitionsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method RequestTopicPartitions not implemented")
 }
@@ -403,6 +417,24 @@ func _SeaweedMessaging_LookupTopicBrokers_Handler(srv interface{}, ctx context.C
 	return interceptor(ctx, in, info, handler)
 }
 
+func _SeaweedMessaging_CreateTopic_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateTopicRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedMessagingServer).CreateTopic(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/messaging_pb.SeaweedMessaging/CreateTopic",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedMessagingServer).CreateTopic(ctx, req.(*CreateTopicRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _SeaweedMessaging_RequestTopicPartitions_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(RequestTopicPartitionsRequest)
 	if err := dec(in); err != nil {
@@ -532,6 +564,10 @@ var SeaweedMessaging_ServiceDesc = grpc.ServiceDesc{
 			Handler:    _SeaweedMessaging_LookupTopicBrokers_Handler,
 		},
 		{
+			MethodName: "CreateTopic",
+			Handler:    _SeaweedMessaging_CreateTopic_Handler,
+		},
+		{
 			MethodName: "RequestTopicPartitions",
 			Handler:    _SeaweedMessaging_RequestTopicPartitions_Handler,
 		},
diff --git a/weed/shell/command_mq_topic_create.go b/weed/shell/command_mq_topic_create.go
new file mode 100644
index 000000000..b09f94451
--- /dev/null
+++ b/weed/shell/command_mq_topic_create.go
@@ -0,0 +1,65 @@
+package shell
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/pb"
+	"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
+	"io"
+)
+
+func init() {
+	Commands = append(Commands, &commandMqTopicCreate{})
+}
+
+type commandMqTopicCreate struct {
+}
+
+func (c *commandMqTopicCreate) Name() string {
+	return "mq.topic.create"
+}
+
+func (c *commandMqTopicCreate) Help() string {
+	return `create a topic with a given name
+
+	Example:
+		mq.topic.create -namespace <namespace> -topic <topic_name> -partition_count <partition_count>
+`
+}
+
+func (c *commandMqTopicCreate) Do(args []string, commandEnv *CommandEnv, writer io.Writer) error {
+
+	// parse parameters
+	mqCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
+	namespace := mqCommand.String("namespace", "", "namespace name")
+	topicName := mqCommand.String("topic", "", "topic name")
+	partitionCount := mqCommand.Int("partitionCount", 6, "partition count")
+	if err := mqCommand.Parse(args); err != nil {
+		return err
+	}
+
+	// find the broker balancer
+	brokerBalancer, err := findBrokerBalancer(commandEnv)
+	if err != nil {
+		return err
+	}
+	fmt.Fprintf(writer, "current balancer: %s\n", brokerBalancer)
+
+	// create topic
+	return pb.WithBrokerGrpcClient(false, brokerBalancer, commandEnv.option.GrpcDialOption, func(client mq_pb.SeaweedMessagingClient) error {
+		resp, err := client.CreateTopic(context.Background(), &mq_pb.CreateTopicRequest{
+			Topic: &mq_pb.Topic{
+				Namespace: *namespace,
+				Name:      *topicName,
+			},
+			PartitionCount: int32(*partitionCount),
+		})
+		if err != nil {
+			return err
+		}
+		fmt.Fprintf(writer, "response: %+v\n", resp)
+		return nil
+	})
+
+}
diff --git a/weed/shell/command_mq_topic_list.go b/weed/shell/command_mq_topic_list.go
index a069b0614..5d18d8755 100644
--- a/weed/shell/command_mq_topic_list.go
+++ b/weed/shell/command_mq_topic_list.go
@@ -1,7 +1,10 @@
 package shell
 
 import (
+	"context"
 	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/mq/balancer"
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"io"
 )
 
@@ -20,9 +23,39 @@ func (c *commandMqTopicList) Help() string {
 	return `print out all topics`
 }
 
-func (c *commandMqTopicList) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
+func (c *commandMqTopicList) Do(args []string, commandEnv *CommandEnv, writer io.Writer) error {
 
-	fmt.Fprintf(writer, "%s\n", commandEnv.option.Directory)
+	brokerBalancer, err := findBrokerBalancer(commandEnv)
+	if err != nil {
+		return err
+	}
+
+	//pb.WithBrokerGrpcClient(false, brokerBalancer, commandEnv.option.GrpcDialOption, func(client pb.SeaweedMessagingClient) error {
+	//	resp, err := client.ListTopics(context.Background(), &pb.ListTopicsRequest{})
+	//	if err != nil {
+	//		return err
+	//	}
+	//	for _, topic := range resp.Topics {
+	//		fmt.Fprintf(writer, "%s\n", topic)
+	//	}
+	//	return nil
+	//})
+
+	fmt.Fprintf(writer, "current balancer: %s\n", brokerBalancer)
 
 	return nil
 }
+
+func findBrokerBalancer(commandEnv *CommandEnv) (brokerBalancer string, err error) {
+	err = commandEnv.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
+		resp, err := client.FindLockOwner(context.Background(), &filer_pb.FindLockOwnerRequest{
+			Name: balancer.LockBrokerBalancer,
+		})
+		if err != nil {
+			return err
+		}
+		brokerBalancer = resp.Owner
+		return nil
+	})
+	return
+}