diff --git a/internal/dataservice/mock_test.go b/internal/dataservice/mock_test.go
index 4d7d8b72ab..77a6a0177b 100644
--- a/internal/dataservice/mock_test.go
+++ b/internal/dataservice/mock_test.go
@@ -24,6 +24,7 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/internalpb"
 	"github.com/milvus-io/milvus/internal/proto/masterpb"
 	"github.com/milvus-io/milvus/internal/proto/milvuspb"
+	"github.com/milvus-io/milvus/internal/proto/proxypb"
 	"github.com/milvus-io/milvus/internal/proto/schemapb"
 )
 
@@ -291,6 +292,10 @@ func (m *mockMasterService) UpdateChannelTimeTick(ctx context.Context, req *inte
 	panic("not implemented") // TODO: Implement
 }
 
+func (m *mockMasterService) ReleaseDQLMessageStream(ctx context.Context, req *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
+	panic("not implemented") // TODO: Implement
+}
+
 type mockStartupPolicy struct {
 }
 
diff --git a/internal/distributed/masterservice/client/client.go b/internal/distributed/masterservice/client/client.go
index 2e55ae44ad..846904d01e 100644
--- a/internal/distributed/masterservice/client/client.go
+++ b/internal/distributed/masterservice/client/client.go
@@ -23,6 +23,7 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/internalpb"
 	"github.com/milvus-io/milvus/internal/proto/masterpb"
 	"github.com/milvus-io/milvus/internal/proto/milvuspb"
+	"github.com/milvus-io/milvus/internal/proto/proxypb"
 	"github.com/milvus-io/milvus/internal/util/retry"
 	"github.com/milvus-io/milvus/internal/util/sessionutil"
 	"github.com/milvus-io/milvus/internal/util/trace"
@@ -341,3 +342,9 @@ func (c *GrpcClient) ShowSegments(ctx context.Context, in *milvuspb.ShowSegments
 	})
 	return ret.(*milvuspb.ShowSegmentsResponse), err
 }
+func (c *GrpcClient) ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
+	ret, err := c.recall(func() (interface{}, error) {
+		return c.grpcClient.ReleaseDQLMessageStream(ctx, in)
+	})
+	return ret.(*commonpb.Status), err
+}
diff --git a/internal/distributed/masterservice/service.go b/internal/distributed/masterservice/service.go
index 0d4feeea16..cd4caa8ad5 100644
--- a/internal/distributed/masterservice/service.go
+++ b/internal/distributed/masterservice/service.go
@@ -38,6 +38,7 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/internalpb"
 	"github.com/milvus-io/milvus/internal/proto/masterpb"
 	"github.com/milvus-io/milvus/internal/proto/milvuspb"
+	"github.com/milvus-io/milvus/internal/proto/proxypb"
 	"github.com/milvus-io/milvus/internal/util/funcutil"
 	"github.com/milvus-io/milvus/internal/util/sessionutil"
 )
@@ -366,3 +367,6 @@ func (s *Server) DescribeSegment(ctx context.Context, in *milvuspb.DescribeSegme
 func (s *Server) ShowSegments(ctx context.Context, in *milvuspb.ShowSegmentsRequest) (*milvuspb.ShowSegmentsResponse, error) {
 	return s.rootCoord.ShowSegments(ctx, in)
 }
+func (s *Server) ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
+	return s.rootCoord.ReleaseDQLMessageStream(ctx, in)
+}
diff --git a/internal/distributed/proxynode/client/client.go b/internal/distributed/proxynode/client/client.go
index da79f24a06..7861f12e33 100644
--- a/internal/distributed/proxynode/client/client.go
+++ b/internal/distributed/proxynode/client/client.go
@@ -135,3 +135,6 @@ func (c *Client) InvalidateCollectionMetaCache(ctx context.Context, req *proxypb
 	})
 	return ret.(*commonpb.Status), err
 }
+func (c *Client) ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
+	panic("not implemented") // TODO: Implement
+}
diff --git a/internal/distributed/proxynode/service.go b/internal/distributed/proxynode/service.go
index 1b5a624101..226cc388e2 100644
--- a/internal/distributed/proxynode/service.go
+++ b/internal/distributed/proxynode/service.go
@@ -274,6 +274,10 @@ func (s *Server) InvalidateCollectionMetaCache(ctx context.Context, request *pro
 	return s.proxynode.InvalidateCollectionMetaCache(ctx, request)
 }
 
+func (s *Server) ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
+	panic("not implement")
+}
+
 func (s *Server) CreateCollection(ctx context.Context, request *milvuspb.CreateCollectionRequest) (*commonpb.Status, error) {
 	return s.proxynode.CreateCollection(ctx, request)
 }
diff --git a/internal/masterservice/proxy_client_manager.go b/internal/masterservice/proxy_client_manager.go
index 0a66799387..27adce79fe 100644
--- a/internal/masterservice/proxy_client_manager.go
+++ b/internal/masterservice/proxy_client_manager.go
@@ -111,3 +111,39 @@ func (p *proxyClientManager) InvalidateCollectionMetaCache(ctx context.Context,
 
 	}
 }
+
+func (p *proxyClientManager) ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
+	p.lock.Lock()
+	defer p.lock.Unlock()
+
+	if len(p.proxyClient) == 0 {
+		log.Debug("proxy client is empty,ReleaseDQLMessageStream will not send to any client")
+		return &commonpb.Status{
+			ErrorCode: commonpb.ErrorCode_Success,
+		}, nil
+	}
+	for k, f := range p.proxyClient {
+		sta, err := func() (retSta *commonpb.Status, retErr error) {
+			defer func() {
+				if err := recover(); err != nil {
+					log.Debug("call proxy node ReleaseDQLMessageStream panic", zap.Int64("proxy node id", k), zap.Any("error", err))
+					retSta.ErrorCode = commonpb.ErrorCode_UnexpectedError
+					retSta.Reason = fmt.Sprintf("call proxy node ReleaseDQLMessageStream panic, proxy node id =%d, error = %v", k, err)
+					retErr = nil
+				}
+			}()
+			retSta, retErr = f.ReleaseDQLMessageStream(ctx, in)
+			return
+		}()
+		if err != nil {
+			return sta, err
+		}
+		if sta.ErrorCode != commonpb.ErrorCode_Success {
+			return sta, err
+		}
+
+	}
+	return &commonpb.Status{
+		ErrorCode: commonpb.ErrorCode_Success,
+	}, nil
+}
diff --git a/internal/masterservice/root_coord.go b/internal/masterservice/root_coord.go
index fb10d96732..9e04bd1501 100644
--- a/internal/masterservice/root_coord.go
+++ b/internal/masterservice/root_coord.go
@@ -1885,3 +1885,14 @@ func (c *Core) UpdateChannelTimeTick(ctx context.Context, in *internalpb.Channel
 		Reason:    "",
 	}, nil
 }
+
+func (c *Core) ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
+	code := c.stateCode.Load().(internalpb.StateCode)
+	if code != internalpb.StateCode_Healthy {
+		return &commonpb.Status{
+			ErrorCode: commonpb.ErrorCode_UnexpectedError,
+			Reason:    fmt.Sprintf("state code = %s", internalpb.StateCode_name[int32(code)]),
+		}, nil
+	}
+	return c.proxyClientManager.ReleaseDQLMessageStream(ctx, in)
+}
diff --git a/internal/proto/master.proto b/internal/proto/master.proto
index fa6827d5f1..69742879e4 100644
--- a/internal/proto/master.proto
+++ b/internal/proto/master.proto
@@ -6,6 +6,7 @@ option go_package="github.com/milvus-io/milvus/internal/proto/masterpb";
 import "common.proto";
 import "milvus.proto";
 import "internal.proto";
+import "proxy_service.proto";
 
 service MasterService {
   rpc GetComponentStates(internal.GetComponentStatesRequest) returns (internal.ComponentStates) {}
@@ -94,6 +95,7 @@ service MasterService {
     rpc AllocTimestamp(AllocTimestampRequest) returns (AllocTimestampResponse) {}
     rpc AllocID(AllocIDRequest) returns (AllocIDResponse) {}
     rpc UpdateChannelTimeTick(internal.ChannelTimeTickMsg) returns (common.Status) {}
+    rpc ReleaseDQLMessageStream(proxy.ReleaseDQLMessageStreamRequest) returns (common.Status) {}
 }
 
 message AllocTimestampRequest {
diff --git a/internal/proto/masterpb/master.pb.go b/internal/proto/masterpb/master.pb.go
index 2d43633087..306075c0a9 100644
--- a/internal/proto/masterpb/master.pb.go
+++ b/internal/proto/masterpb/master.pb.go
@@ -10,6 +10,7 @@ import (
 	commonpb "github.com/milvus-io/milvus/internal/proto/commonpb"
 	internalpb "github.com/milvus-io/milvus/internal/proto/internalpb"
 	milvuspb "github.com/milvus-io/milvus/internal/proto/milvuspb"
+	proxypb "github.com/milvus-io/milvus/internal/proto/proxypb"
 	grpc "google.golang.org/grpc"
 	codes "google.golang.org/grpc/codes"
 	status "google.golang.org/grpc/status"
@@ -241,51 +242,53 @@ func init() {
 func init() { proto.RegisterFile("master.proto", fileDescriptor_f9c348dec43a6705) }
 
 var fileDescriptor_f9c348dec43a6705 = []byte{
-	// 694 bytes of a gzipped FileDescriptorProto
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+	0xeb, 0x88, 0xe1, 0x9f, 0xf2, 0x64, 0xc1, 0xf3, 0x2e, 0x5a, 0x48, 0x05, 0xb6, 0x2e, 0x3e, 0x76,
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+	0xce, 0xe4, 0xc1, 0x57, 0x43, 0xc7, 0xd1, 0xf0, 0x4f, 0x37, 0x54, 0x5e, 0x9c, 0xc1, 0x60, 0xd9,
+	0x5f, 0x9f, 0xfc, 0x0e, 0x00, 0x00, 0xff, 0xff, 0x8d, 0x91, 0x3a, 0x52, 0xc5, 0x0a, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -366,6 +369,7 @@ type MasterServiceClient interface {
 	AllocTimestamp(ctx context.Context, in *AllocTimestampRequest, opts ...grpc.CallOption) (*AllocTimestampResponse, error)
 	AllocID(ctx context.Context, in *AllocIDRequest, opts ...grpc.CallOption) (*AllocIDResponse, error)
 	UpdateChannelTimeTick(ctx context.Context, in *internalpb.ChannelTimeTickMsg, opts ...grpc.CallOption) (*commonpb.Status, error)
+	ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest, opts ...grpc.CallOption) (*commonpb.Status, error)
 }
 
 type masterServiceClient struct {
@@ -556,6 +560,15 @@ func (c *masterServiceClient) UpdateChannelTimeTick(ctx context.Context, in *int
 	return out, nil
 }
 
+func (c *masterServiceClient) ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest, opts ...grpc.CallOption) (*commonpb.Status, error) {
+	out := new(commonpb.Status)
+	err := c.cc.Invoke(ctx, "/milvus.proto.master.MasterService/ReleaseDQLMessageStream", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // MasterServiceServer is the server API for MasterService service.
 type MasterServiceServer interface {
 	GetComponentStates(context.Context, *internalpb.GetComponentStatesRequest) (*internalpb.ComponentStates, error)
@@ -624,6 +637,7 @@ type MasterServiceServer interface {
 	AllocTimestamp(context.Context, *AllocTimestampRequest) (*AllocTimestampResponse, error)
 	AllocID(context.Context, *AllocIDRequest) (*AllocIDResponse, error)
 	UpdateChannelTimeTick(context.Context, *internalpb.ChannelTimeTickMsg) (*commonpb.Status, error)
+	ReleaseDQLMessageStream(context.Context, *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error)
 }
 
 // UnimplementedMasterServiceServer can be embedded to have forward compatible implementations.
@@ -690,6 +704,9 @@ func (*UnimplementedMasterServiceServer) AllocID(ctx context.Context, req *Alloc
 func (*UnimplementedMasterServiceServer) UpdateChannelTimeTick(ctx context.Context, req *internalpb.ChannelTimeTickMsg) (*commonpb.Status, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateChannelTimeTick not implemented")
 }
+func (*UnimplementedMasterServiceServer) ReleaseDQLMessageStream(ctx context.Context, req *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ReleaseDQLMessageStream not implemented")
+}
 
 func RegisterMasterServiceServer(s *grpc.Server, srv MasterServiceServer) {
 	s.RegisterService(&_MasterService_serviceDesc, srv)
@@ -1055,6 +1072,24 @@ func _MasterService_UpdateChannelTimeTick_Handler(srv interface{}, ctx context.C
 	return interceptor(ctx, in, info, handler)
 }
 
+func _MasterService_ReleaseDQLMessageStream_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(proxypb.ReleaseDQLMessageStreamRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MasterServiceServer).ReleaseDQLMessageStream(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/milvus.proto.master.MasterService/ReleaseDQLMessageStream",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MasterServiceServer).ReleaseDQLMessageStream(ctx, req.(*proxypb.ReleaseDQLMessageStreamRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _MasterService_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "milvus.proto.master.MasterService",
 	HandlerType: (*MasterServiceServer)(nil),
@@ -1139,6 +1174,10 @@ var _MasterService_serviceDesc = grpc.ServiceDesc{
 			MethodName: "UpdateChannelTimeTick",
 			Handler:    _MasterService_UpdateChannelTimeTick_Handler,
 		},
+		{
+			MethodName: "ReleaseDQLMessageStream",
+			Handler:    _MasterService_ReleaseDQLMessageStream_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "master.proto",
diff --git a/internal/proto/proxy_service.proto b/internal/proto/proxy_service.proto
index 17b2722a52..46a6fc77b6 100644
--- a/internal/proto/proxy_service.proto
+++ b/internal/proto/proxy_service.proto
@@ -13,6 +13,8 @@ service ProxyNodeService {
 
   rpc InvalidateCollectionMetaCache(InvalidateCollMetaCacheRequest) returns (common.Status) {}
   rpc GetDdChannel(internal.GetDdChannelRequest) returns (milvus.StringResponse) {}
+
+  rpc ReleaseDQLMessageStream(ReleaseDQLMessageStreamRequest) returns (common.Status) {}
 }
 
 message InvalidateCollMetaCacheRequest {
@@ -20,3 +22,9 @@ message InvalidateCollMetaCacheRequest {
   string db_name = 2;
   string collection_name = 3;
 }
+
+message ReleaseDQLMessageStreamRequest {
+  common.MsgBase base = 1;
+  int64 dbID = 2;
+  int64 collectionID = 3;
+}
diff --git a/internal/proto/proxypb/proxy_service.pb.go b/internal/proto/proxypb/proxy_service.pb.go
index 72ecfbcbe1..d394d4ff51 100644
--- a/internal/proto/proxypb/proxy_service.pb.go
+++ b/internal/proto/proxypb/proxy_service.pb.go
@@ -82,37 +82,97 @@ func (m *InvalidateCollMetaCacheRequest) GetCollectionName() string {
 	return ""
 }
 
+type ReleaseDQLMessageStreamRequest struct {
+	Base                 *commonpb.MsgBase `protobuf:"bytes,1,opt,name=base,proto3" json:"base,omitempty"`
+	DbID                 int64             `protobuf:"varint,2,opt,name=dbID,proto3" json:"dbID,omitempty"`
+	CollectionID         int64             `protobuf:"varint,3,opt,name=collectionID,proto3" json:"collectionID,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
+	XXX_unrecognized     []byte            `json:"-"`
+	XXX_sizecache        int32             `json:"-"`
+}
+
+func (m *ReleaseDQLMessageStreamRequest) Reset()         { *m = ReleaseDQLMessageStreamRequest{} }
+func (m *ReleaseDQLMessageStreamRequest) String() string { return proto.CompactTextString(m) }
+func (*ReleaseDQLMessageStreamRequest) ProtoMessage()    {}
+func (*ReleaseDQLMessageStreamRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_34ca2fbc94d169de, []int{1}
+}
+
+func (m *ReleaseDQLMessageStreamRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ReleaseDQLMessageStreamRequest.Unmarshal(m, b)
+}
+func (m *ReleaseDQLMessageStreamRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ReleaseDQLMessageStreamRequest.Marshal(b, m, deterministic)
+}
+func (m *ReleaseDQLMessageStreamRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReleaseDQLMessageStreamRequest.Merge(m, src)
+}
+func (m *ReleaseDQLMessageStreamRequest) XXX_Size() int {
+	return xxx_messageInfo_ReleaseDQLMessageStreamRequest.Size(m)
+}
+func (m *ReleaseDQLMessageStreamRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_ReleaseDQLMessageStreamRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ReleaseDQLMessageStreamRequest proto.InternalMessageInfo
+
+func (m *ReleaseDQLMessageStreamRequest) GetBase() *commonpb.MsgBase {
+	if m != nil {
+		return m.Base
+	}
+	return nil
+}
+
+func (m *ReleaseDQLMessageStreamRequest) GetDbID() int64 {
+	if m != nil {
+		return m.DbID
+	}
+	return 0
+}
+
+func (m *ReleaseDQLMessageStreamRequest) GetCollectionID() int64 {
+	if m != nil {
+		return m.CollectionID
+	}
+	return 0
+}
+
 func init() {
 	proto.RegisterType((*InvalidateCollMetaCacheRequest)(nil), "milvus.proto.proxy.InvalidateCollMetaCacheRequest")
+	proto.RegisterType((*ReleaseDQLMessageStreamRequest)(nil), "milvus.proto.proxy.ReleaseDQLMessageStreamRequest")
 }
 
 func init() { proto.RegisterFile("proxy_service.proto", fileDescriptor_34ca2fbc94d169de) }
 
 var fileDescriptor_34ca2fbc94d169de = []byte{
-	// 367 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x91, 0xdf, 0x6a, 0xe2, 0x40,
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-	0x4a, 0xa1, 0x89, 0xa4, 0x7d, 0x02, 0x53, 0x90, 0x5e, 0x28, 0x25, 0xde, 0xf5, 0x46, 0x26, 0xc9,
-	0x41, 0x07, 0x26, 0x33, 0x31, 0x73, 0x22, 0xed, 0x7b, 0xf4, 0xb9, 0xfa, 0x4c, 0x25, 0x93, 0x68,
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-	0x9f, 0xe6, 0x1a, 0xb2, 0x35, 0x8f, 0xc0, 0x49, 0x33, 0x85, 0x8a, 0xd2, 0x84, 0x8b, 0x75, 0xae,
-	0xcb, 0xc9, 0x31, 0x84, 0xdd, 0x8e, 0x54, 0x92, 0x28, 0x59, 0x9e, 0xd9, 0x1d, 0x2e, 0x11, 0x32,
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-	0x3e, 0xca, 0x57, 0xd9, 0xb6, 0xb2, 0x9b, 0x6d, 0x2a, 0x77, 0x3e, 0xaf, 0xd0, 0x3e, 0xfa, 0xb0,
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+	// 428 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x92, 0xd1, 0x8a, 0xd3, 0x40,
+	0x14, 0x86, 0x37, 0xb6, 0xac, 0x38, 0x86, 0x55, 0x46, 0x61, 0x97, 0xa8, 0x4b, 0x89, 0xa0, 0x45,
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+	0x07, 0x26, 0x33, 0x69, 0x66, 0x52, 0xf4, 0x15, 0xbc, 0xf6, 0x71, 0x7c, 0x38, 0xc9, 0x24, 0x6d,
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+	0xbe, 0x7d, 0x5f, 0x49, 0x28, 0xb7, 0x34, 0x01, 0xa7, 0x28, 0x85, 0x12, 0x18, 0xe7, 0x94, 0x6d,
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+	0xa5, 0x16, 0x32, 0x9b, 0x12, 0x09, 0xa1, 0x26, 0xf1, 0x2d, 0x7a, 0x98, 0xc6, 0x2b, 0x4e, 0x72,
+	0xb8, 0x7b, 0x30, 0x32, 0xc6, 0x8f, 0xc2, 0xeb, 0x34, 0x5e, 0x92, 0x1c, 0xf0, 0x5b, 0xf4, 0x24,
+	0x11, 0x8c, 0x41, 0xa2, 0xa8, 0xe0, 0x0d, 0x30, 0xd0, 0xc0, 0xcd, 0xa1, 0x5d, 0x83, 0xf6, 0x0f,
+	0x03, 0xdd, 0x87, 0xc0, 0x80, 0x48, 0x08, 0xbe, 0x7c, 0x5a, 0x80, 0x94, 0x24, 0x83, 0x48, 0x95,
+	0x40, 0xf2, 0xff, 0x5f, 0x0b, 0xa3, 0x61, 0x1a, 0xcf, 0x03, 0xbd, 0xd3, 0x20, 0xd4, 0x6f, 0x6c,
+	0x23, 0xf3, 0x20, 0x3d, 0x0f, 0xf4, 0x3a, 0x83, 0xb0, 0xd3, 0xf3, 0x7e, 0x0d, 0xd1, 0xd3, 0xcf,
+	0xf5, 0x65, 0x97, 0x22, 0x85, 0xa8, 0x39, 0x3f, 0x2e, 0x10, 0x9e, 0x81, 0xf2, 0x45, 0x5e, 0x08,
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+	0xa4, 0xbf, 0x26, 0x9c, 0x03, 0xc3, 0x5e, 0xbf, 0xe6, 0x09, 0xbc, 0x53, 0x7d, 0xdd, 0x9d, 0x69,
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+	0x38, 0x9a, 0x9b, 0xec, 0x23, 0x72, 0xac, 0xad, 0xf3, 0xe7, 0x5c, 0xce, 0x93, 0xf5, 0xe2, 0xec,
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+	0xde, 0x1e, 0xfa, 0x47, 0x5b, 0x0c, 0xdd, 0xf6, 0x84, 0xeb, 0xbc, 0xa1, 0xcb, 0x49, 0xfc, 0x8b,
+	0xa1, 0xe9, 0xc7, 0xaf, 0x5e, 0x46, 0xd5, 0xba, 0x8a, 0xeb, 0x2f, 0x6e, 0x83, 0xbe, 0xa7, 0xa2,
+	0x7d, 0xb9, 0x3b, 0x43, 0xae, 0x9e, 0x76, 0xb5, 0x62, 0x11, 0xc7, 0xd7, 0xba, 0xfc, 0xf0, 0x3b,
+	0x00, 0x00, 0xff, 0xff, 0x1b, 0x9a, 0x9b, 0xba, 0xf6, 0x03, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -131,6 +191,7 @@ type ProxyNodeServiceClient interface {
 	GetStatisticsChannel(ctx context.Context, in *internalpb.GetStatisticsChannelRequest, opts ...grpc.CallOption) (*milvuspb.StringResponse, error)
 	InvalidateCollectionMetaCache(ctx context.Context, in *InvalidateCollMetaCacheRequest, opts ...grpc.CallOption) (*commonpb.Status, error)
 	GetDdChannel(ctx context.Context, in *internalpb.GetDdChannelRequest, opts ...grpc.CallOption) (*milvuspb.StringResponse, error)
+	ReleaseDQLMessageStream(ctx context.Context, in *ReleaseDQLMessageStreamRequest, opts ...grpc.CallOption) (*commonpb.Status, error)
 }
 
 type proxyNodeServiceClient struct {
@@ -177,12 +238,22 @@ func (c *proxyNodeServiceClient) GetDdChannel(ctx context.Context, in *internalp
 	return out, nil
 }
 
+func (c *proxyNodeServiceClient) ReleaseDQLMessageStream(ctx context.Context, in *ReleaseDQLMessageStreamRequest, opts ...grpc.CallOption) (*commonpb.Status, error) {
+	out := new(commonpb.Status)
+	err := c.cc.Invoke(ctx, "/milvus.proto.proxy.ProxyNodeService/ReleaseDQLMessageStream", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // ProxyNodeServiceServer is the server API for ProxyNodeService service.
 type ProxyNodeServiceServer interface {
 	GetComponentStates(context.Context, *internalpb.GetComponentStatesRequest) (*internalpb.ComponentStates, error)
 	GetStatisticsChannel(context.Context, *internalpb.GetStatisticsChannelRequest) (*milvuspb.StringResponse, error)
 	InvalidateCollectionMetaCache(context.Context, *InvalidateCollMetaCacheRequest) (*commonpb.Status, error)
 	GetDdChannel(context.Context, *internalpb.GetDdChannelRequest) (*milvuspb.StringResponse, error)
+	ReleaseDQLMessageStream(context.Context, *ReleaseDQLMessageStreamRequest) (*commonpb.Status, error)
 }
 
 // UnimplementedProxyNodeServiceServer can be embedded to have forward compatible implementations.
@@ -201,6 +272,9 @@ func (*UnimplementedProxyNodeServiceServer) InvalidateCollectionMetaCache(ctx co
 func (*UnimplementedProxyNodeServiceServer) GetDdChannel(ctx context.Context, req *internalpb.GetDdChannelRequest) (*milvuspb.StringResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetDdChannel not implemented")
 }
+func (*UnimplementedProxyNodeServiceServer) ReleaseDQLMessageStream(ctx context.Context, req *ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ReleaseDQLMessageStream not implemented")
+}
 
 func RegisterProxyNodeServiceServer(s *grpc.Server, srv ProxyNodeServiceServer) {
 	s.RegisterService(&_ProxyNodeService_serviceDesc, srv)
@@ -278,6 +352,24 @@ func _ProxyNodeService_GetDdChannel_Handler(srv interface{}, ctx context.Context
 	return interceptor(ctx, in, info, handler)
 }
 
+func _ProxyNodeService_ReleaseDQLMessageStream_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ReleaseDQLMessageStreamRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ProxyNodeServiceServer).ReleaseDQLMessageStream(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/milvus.proto.proxy.ProxyNodeService/ReleaseDQLMessageStream",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ProxyNodeServiceServer).ReleaseDQLMessageStream(ctx, req.(*ReleaseDQLMessageStreamRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _ProxyNodeService_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "milvus.proto.proxy.ProxyNodeService",
 	HandlerType: (*ProxyNodeServiceServer)(nil),
@@ -298,6 +390,10 @@ var _ProxyNodeService_serviceDesc = grpc.ServiceDesc{
 			MethodName: "GetDdChannel",
 			Handler:    _ProxyNodeService_GetDdChannel_Handler,
 		},
+		{
+			MethodName: "ReleaseDQLMessageStream",
+			Handler:    _ProxyNodeService_ReleaseDQLMessageStream_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "proxy_service.proto",
diff --git a/internal/types/types.go b/internal/types/types.go
index 9b7c8fe3db..c45ae36934 100644
--- a/internal/types/types.go
+++ b/internal/types/types.go
@@ -111,6 +111,7 @@ type MasterService interface {
 	//segment
 	DescribeSegment(ctx context.Context, req *milvuspb.DescribeSegmentRequest) (*milvuspb.DescribeSegmentResponse, error)
 	ShowSegments(ctx context.Context, req *milvuspb.ShowSegmentsRequest) (*milvuspb.ShowSegmentsResponse, error)
+	ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error)
 }
 
 // MasterComponent is used by grpc server of master service
@@ -128,6 +129,7 @@ type ProxyNode interface {
 	Component
 
 	InvalidateCollectionMetaCache(ctx context.Context, request *proxypb.InvalidateCollMetaCacheRequest) (*commonpb.Status, error)
+	ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error)
 
 	//TODO: move to milvus service
 	/*