diff --git a/client/internal/vanus/store/block_store.go b/client/internal/vanus/store/block_store.go
index 0064dbdc5..e8c1bc340 100644
--- a/client/internal/vanus/store/block_store.go
+++ b/client/internal/vanus/store/block_store.go
@@ -38,13 +38,9 @@ import (
 	"github.com/linkall-labs/vanus/client/internal/vanus/codec"
 	"github.com/linkall-labs/vanus/client/internal/vanus/net/rpc"
 	"github.com/linkall-labs/vanus/client/internal/vanus/net/rpc/bare"
-	"github.com/linkall-labs/vanus/client/pkg/api"
 	"github.com/linkall-labs/vanus/client/pkg/primitive"
 	"github.com/linkall-labs/vanus/observability/log"
-)
-
-const (
-	defaultTaskChannelBuffer = 512
+	"github.com/linkall-labs/vanus/pkg/errors"
 )
 
 func newBlockStore(endpoint string) (*BlockStore, error) {
@@ -56,94 +52,82 @@ func newBlockStore(endpoint string) (*BlockStore, error) {
 		})),
 		tracer: tracing.NewTracer("internal.store.BlockStore", trace.SpanKindClient),
 	}
-	s.stream, err = s.connect(context.Background())
+	s.appendStream, err = s.connectAppendStream(context.Background())
 	if err != nil {
 		// TODO: check error
 		return nil, err
 	}
-	s.taskC = make(chan Task, defaultTaskChannelBuffer)
-	s.run(context.Background())
-	s.receive(context.Background(), s.stream)
+	s.readStream, err = s.connectReadStream(context.Background())
+	if err != nil {
+		// TODO: check error
+		return nil, err
+	}
+	s.runAppendStreamRecv(context.Background(), s.appendStream)
+	s.runReadStreamRecv(context.Background(), s.readStream)
 	return s, nil
 }
 
 type BlockStore struct {
 	primitive.RefCount
-	client    rpc.Client
-	tracer    *tracing.Tracer
-	stream    segpb.SegmentServer_AppendToBlockStreamClient
-	taskC     chan Task
-	callbacks sync.Map
-	mu        sync.Mutex
+	client          rpc.Client
+	tracer          *tracing.Tracer
+	appendStream    segpb.SegmentServer_AppendToBlockStreamClient
+	readStream      segpb.SegmentServer_ReadFromBlockStreamClient
+	appendCallbacks sync.Map
+	readCallbacks   sync.Map
+	appendMu        sync.Mutex
+	readMu          sync.Mutex
 }
 
-type Task struct {
-	request *segpb.AppendToBlockStreamRequest
-	cb      api.Callback
-}
+type appendCallback func(*segpb.AppendToBlockStreamResponse)
+type readCallback func(*segpb.ReadFromBlockStreamResponse)
 
-func (s *BlockStore) run(ctx context.Context) {
+func (s *BlockStore) runAppendStreamRecv(ctx context.Context, stream segpb.SegmentServer_AppendToBlockStreamClient) {
 	go func() {
 		for {
-			var err error
-			select {
-			case <-ctx.Done():
-				s.stream.CloseSend()
-				s.stream = nil
-				return
-			case task := <-s.taskC:
-				stream := s.stream
-				if stream == nil {
-					if stream, err = s.connect(ctx); err != nil {
-						task.cb(err)
-						break
-					}
-					s.receive(ctx, stream)
-					s.stream = stream
-				}
-				if err = stream.Send(task.request); err != nil {
-					log.Warning(ctx, "===Send failed===", map[string]interface{}{
-						log.KeyError: err,
-					})
-					s.processSendError(task, err)
-				}
+			res, err := stream.Recv()
+			if err != nil {
+				log.Error(ctx, "append stream recv failed", map[string]interface{}{
+					log.KeyError: err,
+				})
+				break
+			}
+			c, _ := s.appendCallbacks.LoadAndDelete(res.ResponseId)
+			if c != nil {
+				c.(appendCallback)(res)
 			}
 		}
 	}()
 }
 
-func (s *BlockStore) receive(ctx context.Context, stream segpb.SegmentServer_AppendToBlockStreamClient) {
+func (s *BlockStore) runReadStreamRecv(ctx context.Context, stream segpb.SegmentServer_ReadFromBlockStreamClient) {
 	go func() {
 		for {
 			res, err := stream.Recv()
 			if err != nil {
-				log.Warning(ctx, "===Recv failed===", map[string]interface{}{
+				log.Error(ctx, "read stream recv failed", map[string]interface{}{
 					log.KeyError: err,
 				})
 				break
 			}
-			c, _ := s.callbacks.LoadAndDelete(res.ResponseId)
-			if c == nil {
-				// TODO(jiangkai): check err
-				continue
-			}
-			if res.ResponseCode != segpb.ResponseCode_SUCCESS {
-				c.(api.Callback)(stderr.New(res.ResponseCode.String()))
+			c, _ := s.readCallbacks.LoadAndDelete(res.ResponseId)
+			if c != nil {
+				c.(readCallback)(res)
 			}
 		}
 	}()
 }
 
-func (s *BlockStore) connect(ctx context.Context) (segpb.SegmentServer_AppendToBlockStreamClient, error) {
-	if s.stream != nil {
-		return s.stream, nil
+func (s *BlockStore) connectAppendStream(ctx context.Context) (segpb.SegmentServer_AppendToBlockStreamClient, error) {
+	if s.appendStream != nil {
+		return s.appendStream, nil
 	}
 
-	s.mu.Lock()
-	defer s.mu.Unlock()
+	s.appendMu.Lock()
+	defer s.appendMu.Unlock()
 
-	if s.stream != nil { //double check
-		return s.stream, nil
+	if s.appendStream != nil { //double check
+		return s.appendStream, nil
 	}
 
 	client, err := s.client.Get(ctx)
@@ -151,9 +135,9 @@ func (s *BlockStore) connect(ctx context.Context) (segpb.SegmentServer_AppendToB
 		return nil, err
 	}
 
-	stream, err := client.(segpb.SegmentServerClient).AppendToBlockStream(context.Background())
+	stream, err := client.(segpb.SegmentServerClient).AppendToBlockStream(ctx)
 	if err != nil {
-		log.Warning(ctx, "===Get Stream failed===", map[string]interface{}{
+		log.Warning(ctx, "get append stream failed", map[string]interface{}{
 			log.KeyError: err,
 		})
 		return nil, err
@@ -161,15 +145,31 @@ func (s *BlockStore) connect(ctx context.Context) (segpb.SegmentServer_AppendToB
 	return stream, nil
 }
 
-func (s *BlockStore) processSendError(t Task, err error) {
-	cb, _ := s.callbacks.LoadAndDelete(t.request.RequestId)
-	if cb != nil {
-		cb.(api.Callback)(err)
+func (s *BlockStore) connectReadStream(ctx context.Context) (segpb.SegmentServer_ReadFromBlockStreamClient, error) {
+	if s.readStream != nil {
+		return s.readStream, nil
 	}
-	if stderr.Is(err, io.EOF) {
-		s.stream.CloseSend()
-		s.stream = nil
+
+	s.readMu.Lock()
+	defer s.readMu.Unlock()
+
+	if s.readStream != nil { //double check
+		return s.readStream, nil
+	}
+
+	client, err := s.client.Get(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	stream, err := client.(segpb.SegmentServerClient).ReadFromBlockStream(ctx)
+	if err != nil {
+		log.Warning(ctx, "get read stream failed", map[string]interface{}{
+			log.KeyError: err,
+		})
+		return nil, err
 	}
+	return stream, nil
 }
 
 func (s *BlockStore) Endpoint() string {
@@ -207,34 +207,79 @@ func (s *BlockStore) Append(ctx context.Context, block uint64, event *ce.Event)
 	return res.GetOffsets()[0], nil
 }
 
-func (s *BlockStore) AppendStream(ctx context.Context, block uint64, event *ce.Event, cb api.Callback) {
-	_, span := s.tracer.Start(ctx, "AppendStream")
+func (s *BlockStore) SyncAppendStream(ctx context.Context, block uint64, event *ce.Event) (int64, error) {
+	_ctx, span := s.tracer.Start(ctx, "SyncAppendStream")
 	defer span.End()
 
 	var (
-		err error
+		err  error
+		wg   sync.WaitGroup
+		resp *segpb.AppendToBlockStreamResponse
 	)
 
-	eventpb, err := codec.ToProto(event)
-	if err != nil {
-		cb(err)
-		return
+	if s.appendStream == nil {
+		s.appendStream, err = s.connectAppendStream(_ctx)
+		if err != nil {
+			return -1, err
+		}
+		s.runAppendStreamRecv(_ctx, s.appendStream)
 	}
 
 	// generate unique RequestId
 	requestID := rand.Uint64()
-	s.callbacks.Store(requestID, cb)
-	task := Task{
-		request: &segpb.AppendToBlockStreamRequest{
-			RequestId: requestID,
-			BlockId:   block,
-			Events: &cepb.CloudEventBatch{
-				Events: []*cepb.CloudEvent{eventpb},
-			},
+
+	wg.Add(1)
+
+	eventpb, err := codec.ToProto(event)
+	if err != nil {
+		return -1, err
+	}
+
+	s.appendCallbacks.Store(requestID, appendCallback(func(res *segpb.AppendToBlockStreamResponse) {
+		resp = res
+		wg.Done()
+	}))
+
+	req := &segpb.AppendToBlockStreamRequest{
+		RequestId: requestID,
+		BlockId:   block,
+		Events: &cepb.CloudEventBatch{
+			Events: []*cepb.CloudEvent{eventpb},
 		},
-		cb: cb,
 	}
-	s.taskC <- task
+
+	if err = s.appendStream.Send(req); err != nil {
+		log.Error(ctx, "append stream send failed", map[string]interface{}{
+			log.KeyError: err,
+		})
+		if stderr.Is(err, io.EOF) {
+			s.appendStream.CloseSend()
+			s.appendStream = nil
+			c, _ := s.appendCallbacks.LoadAndDelete(requestID)
+			if c != nil {
+				c.(appendCallback)(&segpb.AppendToBlockStreamResponse{
+					ResponseId:   requestID,
+					ResponseCode: segpb.ResponseCode_UNKNOWN,
+					Offsets:      []int64{},
+				})
+			}
+		}
+		return -1, err
+	}
+
+	wg.Wait()
+
+	if resp.ResponseCode == segpb.ResponseCode_SegmentFull {
+		log.Warning(ctx, "block append failed cause the segment is full", nil)
+		return -1, errors.ErrSegmentFull
+	}
+
+	if resp.ResponseCode != segpb.ResponseCode_SUCCESS {
+		log.Warning(ctx, "block append failed cause unknown error", nil)
+		return -1, errors.ErrUnknown
+	}
+
+	return resp.Offsets[0], nil
 }
 
 func (s *BlockStore) Read(
@@ -278,6 +323,88 @@ func (s *BlockStore) Read(
 	return []*ce.Event{}, err
 }
 
+func (s *BlockStore) SyncReadStream(
+	ctx context.Context, block uint64, offset int64, size int16, pollingTimeout uint32,
+) ([]*ce.Event, error) {
+	_ctx, span := s.tracer.Start(ctx, "SyncReadStream")
+	defer span.End()
+
+	var (
+		err  error
+		wg   sync.WaitGroup
+		resp *segpb.ReadFromBlockStreamResponse
+	)
+
+	if s.readStream == nil {
+		s.readStream, err = s.connectReadStream(_ctx)
+		if err != nil {
+			return []*ce.Event{}, err
+		}
+		s.runReadStreamRecv(_ctx, s.readStream)
+	}
+
+	// generate unique RequestId
+	requestID := rand.Uint64()
+
+	wg.Add(1)
+
+	s.appendCallbacks.Store(requestID, readCallback(func(res *segpb.ReadFromBlockStreamResponse) {
+		resp = res
+		wg.Done()
+	}))
+
+	req := &segpb.ReadFromBlockStreamRequest{
+		BlockId:        block,
+		Offset:         offset,
+		Number:         int64(size),
+		PollingTimeout: pollingTimeout,
+	}
+
+	if err = s.readStream.Send(req); err != nil {
+		log.Error(ctx, "read stream send failed", map[string]interface{}{
+			log.KeyError: err,
+		})
+		if stderr.Is(err, io.EOF) {
+			s.readStream.CloseSend()
+			s.readStream = nil
+			c, _ := s.readCallbacks.LoadAndDelete(requestID)
+			if c != nil {
+				c.(readCallback)(&segpb.ReadFromBlockStreamResponse{
+					ResponseId:   requestID,
+					ResponseCode: segpb.ResponseCode_UNKNOWN,
+					Events: &cepb.CloudEventBatch{
+						Events: []*cepb.CloudEvent{},
+					},
+				})
+			}
+		}
+		return []*ce.Event{}, err
+	}
+
+	wg.Wait()
+
+	if resp.ResponseCode != segpb.ResponseCode_SUCCESS {
+		log.Warning(ctx, "block append failed cause unknown error", nil)
+		return []*ce.Event{}, errors.ErrUnknown
+	}
+
+	if batch := resp.GetEvents(); batch != nil {
+		if eventpbs := batch.GetEvents(); len(eventpbs) > 0 {
+			events := make([]*ce.Event, 0, len(eventpbs))
+			for _, eventpb := range eventpbs {
+				event, err2 := codec.FromProto(eventpb)
+				if err2 != nil {
+					// TODO: return events or error?
+					return events, err2
+				}
+				events = append(events, event)
+			}
+			return events, nil
+		}
+	}
+	return []*ce.Event{}, errors.ErrUnknown
+}
+
 func (s *BlockStore) LookupOffset(ctx context.Context, blockID uint64, t time.Time) (int64, error) {
 	ctx, span := s.tracer.Start(ctx, "LookupOffset")
 	defer span.End()
diff --git a/client/pkg/api/client.go b/client/pkg/api/client.go
index 6f518e291..b3ac510b3 100644
--- a/client/pkg/api/client.go
+++ b/client/pkg/api/client.go
@@ -37,11 +37,12 @@ type Eventbus interface {
 type BusWriter interface {
 	AppendOne(ctx context.Context, event *ce.Event, opts ...WriteOption) (eid string, err error)
 	AppendMany(ctx context.Context, events []*ce.Event, opts ...WriteOption) (eid string, err error)
-	AppendOneStream(ctx context.Context, event *ce.Event, cb Callback, opts ...WriteOption)
+	SyncAppendOneStream(ctx context.Context, event *ce.Event, opts ...WriteOption) (eid string, err error)
 }
 
 type BusReader interface {
 	Read(ctx context.Context, opts ...ReadOption) ([]*ce.Event, int64, uint64, error)
+	SyncReadStream(ctx context.Context, opts ...ReadOption) ([]*ce.Event, int64, uint64, error)
 }
 
 type Eventlog interface {
diff --git a/client/pkg/api/mock_client.go b/client/pkg/api/mock_client.go
index 288eedf98..21ed1ed96 100644
--- a/client/pkg/api/mock_client.go
+++ b/client/pkg/api/mock_client.go
@@ -186,21 +186,24 @@ func (mr *MockBusWriterMockRecorder) AppendOne(ctx, event interface{}, opts ...i
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AppendOne", reflect.TypeOf((*MockBusWriter)(nil).AppendOne), varargs...)
 }
 
-// AppendOneStream mocks base method.
-func (m *MockBusWriter) AppendOneStream(ctx context.Context, event *v2.Event, cb Callback, opts ...WriteOption) {
+// SyncAppendOneStream mocks base method.
+func (m *MockBusWriter) SyncAppendOneStream(ctx context.Context, event *v2.Event, opts ...WriteOption) (string, error) {
 	m.ctrl.T.Helper()
-	varargs := []interface{}{ctx, event, cb}
+	varargs := []interface{}{ctx, event}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
-	m.ctrl.Call(m, "AppendOneStream", varargs...)
+	ret := m.ctrl.Call(m, "SyncAppendOneStream", varargs...)
+	ret0, _ := ret[0].(string)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
 }
 
-// AppendOneStream indicates an expected call of AppendOneStream.
-func (mr *MockBusWriterMockRecorder) AppendOneStream(ctx, event, cb interface{}, opts ...interface{}) *gomock.Call {
+// SyncAppendOneStream indicates an expected call of SyncAppendOneStream.
+func (mr *MockBusWriterMockRecorder) SyncAppendOneStream(ctx, event interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]interface{}{ctx, event, cb}, opts...)
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AppendOneStream", reflect.TypeOf((*MockBusWriter)(nil).AppendOneStream), varargs...)
+	varargs := append([]interface{}{ctx, event}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncAppendOneStream", reflect.TypeOf((*MockBusWriter)(nil).SyncAppendOneStream), varargs...)
 }
 
 // MockBusReader is a mock of BusReader interface.
@@ -248,6 +251,28 @@ func (mr *MockBusReaderMockRecorder) Read(ctx interface{}, opts ...interface{})
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Read", reflect.TypeOf((*MockBusReader)(nil).Read), varargs...)
 }
 
+// SyncReadStream mocks base method.
+func (m *MockBusReader) SyncReadStream(ctx context.Context, opts ...ReadOption) ([]*v2.Event, int64, uint64, error) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{ctx}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "SyncReadStream", varargs...)
+	ret0, _ := ret[0].([]*v2.Event)
+	ret1, _ := ret[1].(int64)
+	ret2, _ := ret[2].(uint64)
+	ret3, _ := ret[3].(error)
+	return ret0, ret1, ret2, ret3
+}
+
+// SyncReadStream indicates an expected call of SyncReadStream.
+func (mr *MockBusReaderMockRecorder) SyncReadStream(ctx interface{}, opts ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]interface{}{ctx}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncReadStream", reflect.TypeOf((*MockBusReader)(nil).SyncReadStream), varargs...)
+}
+
 // MockEventlog is a mock of Eventlog interface.
 type MockEventlog struct {
 	ctrl     *gomock.Controller
diff --git a/client/pkg/eventbus/eventbus.go b/client/pkg/eventbus/eventbus.go
index 399927922..f5fb5abae 100644
--- a/client/pkg/eventbus/eventbus.go
+++ b/client/pkg/eventbus/eventbus.go
@@ -478,8 +478,8 @@ func (w *busWriter) AppendOne(ctx context.Context, event *ce.Event, opts ...api.
 	return encoded, nil
 }
 
-func (w *busWriter) AppendOneStream(ctx context.Context, event *ce.Event, cb api.Callback, opts ...api.WriteOption) {
-	_ctx, span := w.tracer.Start(ctx, "AppendOneStream")
+func (w *busWriter) SyncAppendOneStream(ctx context.Context, event *ce.Event, opts ...api.WriteOption) (eid string, err error) {
+	_ctx, span := w.tracer.Start(ctx, "SyncAppendOneStream")
 	defer span.End()
 
 	var writeOpts *api.WriteOptions = w.opts
@@ -493,12 +493,22 @@ func (w *busWriter) AppendOneStream(ctx context.Context, event *ce.Event, cb api
 	// 1. pick a writer of eventlog
 	lw, err := w.pickWritableLog(_ctx, writeOpts)
 	if err != nil {
-		cb(err)
-		return
+		return "", err
 	}
 
 	// 2. append the event to the eventlog
-	lw.AppendStream(_ctx, event, cb)
+	off, err := lw.SyncAppendStream(_ctx, event)
+	if err != nil {
+		return "", err
+	}
+
+	// 3. generate event ID
+	var buf [16]byte
+	binary.BigEndian.PutUint64(buf[0:8], lw.Log().ID())
+	binary.BigEndian.PutUint64(buf[8:16], uint64(off))
+	encoded := base64.StdEncoding.EncodeToString(buf[:])
+
+	return encoded, nil
 }
 
 func (w *busWriter) AppendMany(ctx context.Context, events []*ce.Event, opts ...api.WriteOption) (eid string, err error) {
@@ -567,6 +577,38 @@ func (r *busReader) Read(ctx context.Context, opts ...api.ReadOption) ([]*ce.Eve
 	return events, off, lr.Log().ID(), nil
 }
 
+func (r *busReader) SyncReadStream(ctx context.Context, opts ...api.ReadOption) ([]*ce.Event, int64, uint64, error) {
+	_ctx, span := r.tracer.Start(ctx, "Read")
+	defer span.End()
+
+	var readOpts *api.ReadOptions = r.opts
+	if len(opts) > 0 {
+		readOpts = r.opts.Copy()
+		for _, opt := range opts {
+			opt(readOpts)
+		}
+	}
+
+	// 1. pick a reader of eventlog
+	lr, err := r.pickReadableLog(_ctx, readOpts)
+	if err != nil {
+		return []*ce.Event{}, 0, 0, err
+	}
+
+	// TODO(jiangkai): refactor eventlog interface to avoid seek every time, by jiangkai, 2022.10.24
+	off, err := lr.Seek(_ctx, readOpts.Policy.Offset(), io.SeekStart)
+	if err != nil {
+		return []*ce.Event{}, 0, 0, err
+	}
+
+	// 2. read the event to the eventlog
+	events, err := lr.SyncReadStream(_ctx, int16(readOpts.BatchSize))
+	if err != nil {
+		return []*ce.Event{}, 0, 0, err
+	}
+	return events, off, lr.Log().ID(), nil
+}
+
 func (r *busReader) Bus() api.Eventbus {
 	return r.ebus
 }
diff --git a/client/pkg/eventlog/eventlog.go b/client/pkg/eventlog/eventlog.go
index 1af467e99..58a319e90 100644
--- a/client/pkg/eventlog/eventlog.go
+++ b/client/pkg/eventlog/eventlog.go
@@ -51,7 +51,7 @@ type LogWriter interface {
 
 	Append(ctx context.Context, event *ce.Event) (off int64, err error)
 
-	AppendStream(ctx context.Context, event *ce.Event, cb api.Callback)
+	SyncAppendStream(ctx context.Context, event *ce.Event) (int64, error)
 }
 
 type LogReader interface {
@@ -62,6 +62,8 @@ type LogReader interface {
 	// TODO: async
 	Read(ctx context.Context, size int16) (events []*ce.Event, err error)
 
+	SyncReadStream(ctx context.Context, size int16) (events []*ce.Event, err error)
+
 	// Seek sets the offset for the next Read to offset,
 	// interpreted according to whence.
 	//
diff --git a/client/pkg/eventlog/eventlog_impl.go b/client/pkg/eventlog/eventlog_impl.go
index c7132bfae..97d716e7b 100644
--- a/client/pkg/eventlog/eventlog_impl.go
+++ b/client/pkg/eventlog/eventlog_impl.go
@@ -30,7 +30,6 @@ import (
 
 	// this project.
 	el "github.com/linkall-labs/vanus/client/internal/vanus/eventlog"
-	"github.com/linkall-labs/vanus/client/pkg/api"
 	"github.com/linkall-labs/vanus/client/pkg/record"
 	vlog "github.com/linkall-labs/vanus/observability/log"
 	"github.com/linkall-labs/vanus/pkg/errors"
@@ -386,13 +385,43 @@ func (w *logWriter) doAppend(ctx context.Context, event *ce.Event) (int64, error
 	return offset, nil
 }
 
-func (w *logWriter) AppendStream(ctx context.Context, event *ce.Event, cb api.Callback) {
+func (w *logWriter) SyncAppendStream(ctx context.Context, event *ce.Event) (int64, error) {
+	// TODO: async for throughput
+
+	retryTimes := defaultRetryTimes
+	for i := 1; i <= retryTimes; i++ {
+		offset, err := w.doSyncAppendStream(ctx, event)
+		if err == nil {
+			return offset, nil
+		}
+		vlog.Warning(ctx, "failed to Append", map[string]interface{}{
+			vlog.KeyError: err,
+			"offset":      offset,
+		})
+		if errors.Is(err, errors.ErrSegmentFull) {
+			if i < retryTimes {
+				continue
+			}
+		}
+		return -1, err
+	}
+
+	return -1, errors.ErrUnknown
+}
+
+func (w *logWriter) doSyncAppendStream(ctx context.Context, event *ce.Event) (int64, error) {
 	segment, err := w.selectWritableSegment(ctx)
 	if err != nil {
-		cb(err)
-		return
+		return -1, err
 	}
-	segment.AppendStream(ctx, event, cb)
+	offset, err := segment.SyncAppendStream(ctx, event)
+	if err != nil {
+		if errors.Is(err, errors.ErrSegmentFull) {
+			segment.SetNotWritable()
+		}
+		return -1, err
+	}
+	return offset, nil
 }
 
 func (w *logWriter) selectWritableSegment(ctx context.Context) (*segment, error) {
@@ -470,6 +499,38 @@ func (r *logReader) Read(ctx context.Context, size int16) ([]*ce.Event, error) {
 	return events, nil
 }
 
+func (r *logReader) SyncReadStream(ctx context.Context, size int16) ([]*ce.Event, error) {
+	if r.cur == nil {
+		segment, err := r.elog.selectReadableSegment(ctx, r.pos)
+		if errors.Is(err, errors.ErrOffsetOnEnd) {
+			r.elog.refreshReadableSegments(ctx)
+			segment, err = r.elog.selectReadableSegment(ctx, r.pos)
+		}
+		if err != nil {
+			return nil, err
+		}
+		r.cur = segment
+	}
+
+	events, err := r.cur.SyncReadStream(ctx, r.pos, size, uint32(r.pollingTimeout(ctx)))
+	if err != nil {
+		if errors.Is(err, errors.ErrOffsetOverflow) {
+			r.elog.refreshReadableSegments(ctx)
+			if r.switchSegment(ctx) {
+				return nil, errors.ErrTryAgain
+			}
+		}
+		return nil, err
+	}
+
+	r.pos += int64(len(events))
+	if r.pos == r.cur.EndOffset() {
+		r.switchSegment(ctx)
+	}
+
+	return events, nil
+}
+
 func (r *logReader) pollingTimeout(ctx context.Context) int64 {
 	if r.cfg.PollingTimeout == 0 {
 		return 0
diff --git a/client/pkg/eventlog/log_segment.go b/client/pkg/eventlog/log_segment.go
index bd81bfd4d..25f83f35b 100644
--- a/client/pkg/eventlog/log_segment.go
+++ b/client/pkg/eventlog/log_segment.go
@@ -33,7 +33,7 @@ import (
 	segpb "github.com/linkall-labs/vanus/proto/pkg/segment"
 
 	// this project.
-	"github.com/linkall-labs/vanus/client/pkg/api"
+
 	"github.com/linkall-labs/vanus/client/pkg/record"
 	"github.com/linkall-labs/vanus/pkg/errors"
 )
@@ -171,16 +171,19 @@ func (s *segment) Append(ctx context.Context, event *ce.Event) (int64, error) {
 	return off + s.startOffset, nil
 }
 
-func (s *segment) AppendStream(ctx context.Context, event *ce.Event, cb api.Callback) {
+func (s *segment) SyncAppendStream(ctx context.Context, event *ce.Event) (int64, error) {
 	_ctx, span := s.tracer.Start(ctx, "AppendStream")
 	defer span.End()
 
 	b := s.preferSegmentBlock()
 	if b == nil {
-		cb(errors.ErrNotLeader)
-		return
+		return -1, errors.ErrNotLeader
+	}
+	off, err := b.SyncAppendStream(_ctx, event)
+	if err != nil {
+		return -1, err
 	}
-	b.AppendStream(_ctx, event, cb)
+	return off + s.startOffset, nil
 }
 
 func (s *segment) Read(ctx context.Context, from int64, size int16, pollingTimeout uint32) ([]*ce.Event, error) {
@@ -227,6 +230,50 @@ func (s *segment) Read(ctx context.Context, from int64, size int16, pollingTimeo
 	return events, err
 }
 
+func (s *segment) SyncReadStream(ctx context.Context, from int64, size int16, pollingTimeout uint32) ([]*ce.Event, error) {
+	if from < s.startOffset {
+		return nil, errors.ErrOffsetUnderflow
+	}
+	ctx, span := s.tracer.Start(ctx, "Read")
+	defer span.End()
+
+	if eo := s.endOffset.Load(); eo >= 0 {
+		if from > eo {
+			return nil, errors.ErrOffsetOverflow
+		}
+		if int64(size) > eo-from {
+			size = int16(eo - from)
+		}
+	}
+	// TODO: cached read
+	b := s.preferSegmentBlock()
+	if b == nil {
+		return nil, errors.ErrBlockNotFound
+	}
+	events, err := b.SyncReadStream(ctx, from-s.startOffset, size, pollingTimeout)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, e := range events {
+		v, ok := e.Extensions()[segpb.XVanusBlockOffset]
+		if !ok {
+			continue
+		}
+		off, ok := v.(int32)
+		if !ok {
+			return events, errors.ErrCorruptedEvent
+		}
+		offset := s.startOffset + int64(off)
+		buf := make([]byte, 8)
+		binary.BigEndian.PutUint64(buf, uint64(offset))
+		e.SetExtension(XVanusLogOffset, buf)
+		e.SetExtension(segpb.XVanusBlockOffset, nil)
+	}
+
+	return events, err
+}
+
 func (s *segment) preferSegmentBlock() *block {
 	s.mu.RLock()
 	defer s.mu.RUnlock()
diff --git a/client/pkg/eventlog/segment_block.go b/client/pkg/eventlog/segment_block.go
index 3abc06001..329ff09eb 100644
--- a/client/pkg/eventlog/segment_block.go
+++ b/client/pkg/eventlog/segment_block.go
@@ -23,7 +23,6 @@ import (
 
 	// this project
 	"github.com/linkall-labs/vanus/client/internal/vanus/store"
-	"github.com/linkall-labs/vanus/client/pkg/api"
 	"github.com/linkall-labs/vanus/client/pkg/record"
 	"github.com/linkall-labs/vanus/pkg/errors"
 )
@@ -57,8 +56,8 @@ func (s *block) Append(ctx context.Context, event *ce.Event) (int64, error) {
 	return s.store.Append(ctx, s.id, event)
 }
 
-func (s *block) AppendStream(ctx context.Context, event *ce.Event, cb api.Callback) {
-	s.store.AppendStream(ctx, s.id, event, cb)
+func (s *block) SyncAppendStream(ctx context.Context, event *ce.Event) (int64, error) {
+	return s.store.SyncAppendStream(ctx, s.id, event)
 }
 
 func (s *block) Read(ctx context.Context, offset int64, size int16, pollingTimeout uint32) ([]*ce.Event, error) {
@@ -74,3 +73,17 @@ func (s *block) Read(ctx context.Context, offset int64, size int16, pollingTimeo
 	}
 	return s.store.Read(ctx, s.id, offset, size, pollingTimeout)
 }
+
+func (s *block) SyncReadStream(ctx context.Context, offset int64, size int16, pollingTimeout uint32) ([]*ce.Event, error) {
+	if offset < 0 {
+		return nil, errors.ErrOffsetUnderflow
+	}
+	if size > 0 {
+		// doRead
+	} else if size == 0 {
+		return make([]*ce.Event, 0), nil
+	} else if size < 0 {
+		return nil, errors.ErrInvalidArgument
+	}
+	return s.store.SyncReadStream(ctx, s.id, offset, size, pollingTimeout)
+}
diff --git a/internal/store/segment/api.go b/internal/store/segment/api.go
index e61e6c730..d0565c0d9 100644
--- a/internal/store/segment/api.go
+++ b/internal/store/segment/api.go
@@ -17,19 +17,18 @@ package segment
 import (
 	// standard libraries.
 	"context"
-	"sync"
 
 	// third-party libraries.
 	cepb "cloudevents.io/genproto/v1"
 	"google.golang.org/protobuf/types/known/emptypb"
 
 	// first-party libraries.
+	"github.com/linkall-labs/vanus/pkg/errors"
 	segpb "github.com/linkall-labs/vanus/proto/pkg/segment"
 
 	// this project.
 	"github.com/linkall-labs/vanus/internal/primitive/vanus"
 	"github.com/linkall-labs/vanus/observability/log"
-	"github.com/linkall-labs/vanus/pkg/errors"
 )
 
 type segmentServer struct {
@@ -125,77 +124,89 @@ func (s *segmentServer) AppendToBlock(
 	if err != nil {
 		return nil, err
 	}
-
 	return &segpb.AppendToBlockResponse{Offsets: offs}, nil
 }
 
 func (s *segmentServer) AppendToBlockStream(stream segpb.SegmentServer_AppendToBlockStreamServer) error {
-	var (
-		wg   sync.WaitGroup
-		errc chan error
-	)
-	errc = make(chan error, 1)
-	ctx, cancel := context.WithCancel(context.Background())
-	go func() {
-		defer wg.Done()
-		for {
-			select {
-			case <-ctx.Done():
-				return
-			default:
-				request, err := stream.Recv()
-				if err != nil {
-					log.Warning(ctx, "===Recv failed===", map[string]interface{}{
-						log.KeyError: err,
-					})
-					errc <- err
-					return
+	ctx := context.Background()
+	for {
+		request, err := stream.Recv()
+		if err != nil {
+			log.Warning(ctx, "append stream recv failed", map[string]interface{}{
+				log.KeyError: err,
+			})
+			return err
+		}
+
+		go func(stream segpb.SegmentServer_AppendToBlockStreamServer, req *segpb.AppendToBlockStreamRequest) {
+			responseCode := segpb.ResponseCode_SUCCESS
+			offsets, err := s.srv.AppendToBlock(ctx, vanus.ID(request.BlockId), request.Events.Events)
+			if err != nil {
+				if errors.Is(err, errors.ErrSegmentFull) {
+					responseCode = segpb.ResponseCode_SegmentFull
+				} else {
+					responseCode = segpb.ResponseCode_UNKNOWN
 				}
+				log.Error(ctx, "append to block failed", map[string]interface{}{
+					log.KeyError: err,
+				})
+			}
 
-				wg.Add(1)
-				go func() {
-					defer wg.Done()
-					offsets, err := s.srv.AppendToBlock(ctx, vanus.ID(request.BlockId), request.Events.Events)
-					responseCode := segpb.ResponseCode_SUCCESS
-					if err != nil {
-						log.Warning(ctx, "===AppendToBlock failed===", map[string]interface{}{
-							log.KeyError: err,
-						})
-						if errors.Is(err, errors.ErrSegmentFull) {
-							responseCode = segpb.ResponseCode_SegmentFull
-						}
-						responseCode = segpb.ResponseCode_UNKNOWN
-					}
-
-					err = stream.Send(&segpb.AppendToBlockStreamResponse{
-						ResponseId:   request.RequestId,
-						ResponseCode: responseCode,
-						Offsets:      offsets,
-					})
-					if err != nil {
-						log.Warning(ctx, "===Send failed===", map[string]interface{}{
-							log.KeyError: err,
-						})
-						errc <- err
-						cancel()
-						return
-					}
-				}()
+			err = stream.Send(&segpb.AppendToBlockStreamResponse{
+				ResponseId:   request.RequestId,
+				ResponseCode: responseCode,
+				Offsets:      offsets,
+			})
+			if err != nil {
+				log.Warning(ctx, "read stream send failed", map[string]interface{}{
+					log.KeyError: err,
+				})
+				return
 			}
+		}(stream, request)
+	}
+}
+
+func (s *segmentServer) ReadFromBlockStream(stream segpb.SegmentServer_ReadFromBlockStreamServer) error {
+	ctx := context.Background()
+	for {
+		request, err := stream.Recv()
+		if err != nil {
+			log.Error(ctx, "read stream recv failed", map[string]interface{}{
+				log.KeyError: err,
+			})
+			return err
 		}
-	}()
-
-	var err error
-	select {
-	case err = <-errc:
-		log.Warning(ctx, "===AppendToBlockStream Exit===", map[string]interface{}{
-			log.KeyError: err,
-		})
-	case <-stream.Context().Done():
-		err = stream.Context().Err()
+
+		go func(stream segpb.SegmentServer_ReadFromBlockStreamServer, req *segpb.ReadFromBlockStreamRequest) {
+			responseCode := segpb.ResponseCode_SUCCESS
+			blockID := vanus.NewIDFromUint64(req.BlockId)
+			events, err := s.srv.ReadFromBlock(ctx, blockID, req.Offset, int(req.Number), req.PollingTimeout)
+			if err != nil {
+				responseCode = segpb.ResponseCode_UNKNOWN
+				log.Error(ctx, "read from block failed", map[string]interface{}{
+					log.KeyError: err,
+				})
+			}
+
+			err = stream.Send(&segpb.ReadFromBlockStreamResponse{
+				ResponseId:   request.RequestId,
+				ResponseCode: responseCode,
+				Events:       &cepb.CloudEventBatch{Events: events},
+			})
+			if err != nil {
+				log.Error(ctx, "read stream send failed", map[string]interface{}{
+					log.KeyError: err,
+				})
+				return
+			}
+		}(stream, request)
 	}
-	wg.Wait()
-	return err
+}
+
+func (s *segmentServer) AppendToBlockAsyncStream(stream segpb.SegmentServer_AppendToBlockAsyncStreamServer) error {
+	// TODO(jiangkai): implementation AppendToBlockAsyncStream()
+	return nil
 }
 
 func (s *segmentServer) ReadFromBlock(
diff --git a/proto/pkg/segment/mock_segment.go b/proto/pkg/segment/mock_segment.go
index 163877088..f42600e54 100644
--- a/proto/pkg/segment/mock_segment.go
+++ b/proto/pkg/segment/mock_segment.go
@@ -77,6 +77,26 @@ func (mr *MockSegmentServerClientMockRecorder) AppendToBlock(ctx, in interface{}
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AppendToBlock", reflect.TypeOf((*MockSegmentServerClient)(nil).AppendToBlock), varargs...)
 }
 
+// AppendToBlockAsyncStream mocks base method.
+func (m *MockSegmentServerClient) AppendToBlockAsyncStream(ctx context.Context, opts ...grpc.CallOption) (SegmentServer_AppendToBlockAsyncStreamClient, error) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{ctx}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "AppendToBlockAsyncStream", varargs...)
+	ret0, _ := ret[0].(SegmentServer_AppendToBlockAsyncStreamClient)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// AppendToBlockAsyncStream indicates an expected call of AppendToBlockAsyncStream.
+func (mr *MockSegmentServerClientMockRecorder) AppendToBlockAsyncStream(ctx interface{}, opts ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]interface{}{ctx}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AppendToBlockAsyncStream", reflect.TypeOf((*MockSegmentServerClient)(nil).AppendToBlockAsyncStream), varargs...)
+}
+
 // AppendToBlockStream mocks base method.
 func (m *MockSegmentServerClient) AppendToBlockStream(ctx context.Context, opts ...grpc.CallOption) (SegmentServer_AppendToBlockStreamClient, error) {
 	m.ctrl.T.Helper()
@@ -197,6 +217,26 @@ func (mr *MockSegmentServerClientMockRecorder) ReadFromBlock(ctx, in interface{}
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReadFromBlock", reflect.TypeOf((*MockSegmentServerClient)(nil).ReadFromBlock), varargs...)
 }
 
+// ReadFromBlockStream mocks base method.
+func (m *MockSegmentServerClient) ReadFromBlockStream(ctx context.Context, opts ...grpc.CallOption) (SegmentServer_ReadFromBlockStreamClient, error) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{ctx}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "ReadFromBlockStream", varargs...)
+	ret0, _ := ret[0].(SegmentServer_ReadFromBlockStreamClient)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ReadFromBlockStream indicates an expected call of ReadFromBlockStream.
+func (mr *MockSegmentServerClientMockRecorder) ReadFromBlockStream(ctx interface{}, opts ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]interface{}{ctx}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReadFromBlockStream", reflect.TypeOf((*MockSegmentServerClient)(nil).ReadFromBlockStream), varargs...)
+}
+
 // RemoveBlock mocks base method.
 func (m *MockSegmentServerClient) RemoveBlock(ctx context.Context, in *RemoveBlockRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
@@ -414,6 +454,280 @@ func (mr *MockSegmentServer_AppendToBlockStreamClientMockRecorder) Trailer() *go
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockSegmentServer_AppendToBlockStreamClient)(nil).Trailer))
 }
 
+// MockSegmentServer_ReadFromBlockStreamClient is a mock of SegmentServer_ReadFromBlockStreamClient interface.
+type MockSegmentServer_ReadFromBlockStreamClient struct {
+	ctrl     *gomock.Controller
+	recorder *MockSegmentServer_ReadFromBlockStreamClientMockRecorder
+}
+
+// MockSegmentServer_ReadFromBlockStreamClientMockRecorder is the mock recorder for MockSegmentServer_ReadFromBlockStreamClient.
+type MockSegmentServer_ReadFromBlockStreamClientMockRecorder struct {
+	mock *MockSegmentServer_ReadFromBlockStreamClient
+}
+
+// NewMockSegmentServer_ReadFromBlockStreamClient creates a new mock instance.
+func NewMockSegmentServer_ReadFromBlockStreamClient(ctrl *gomock.Controller) *MockSegmentServer_ReadFromBlockStreamClient {
+	mock := &MockSegmentServer_ReadFromBlockStreamClient{ctrl: ctrl}
+	mock.recorder = &MockSegmentServer_ReadFromBlockStreamClientMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockSegmentServer_ReadFromBlockStreamClient) EXPECT() *MockSegmentServer_ReadFromBlockStreamClientMockRecorder {
+	return m.recorder
+}
+
+// CloseSend mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamClient) CloseSend() error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CloseSend")
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// CloseSend indicates an expected call of CloseSend.
+func (mr *MockSegmentServer_ReadFromBlockStreamClientMockRecorder) CloseSend() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseSend", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamClient)(nil).CloseSend))
+}
+
+// Context mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamClient) Context() context.Context {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Context")
+	ret0, _ := ret[0].(context.Context)
+	return ret0
+}
+
+// Context indicates an expected call of Context.
+func (mr *MockSegmentServer_ReadFromBlockStreamClientMockRecorder) Context() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamClient)(nil).Context))
+}
+
+// Header mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamClient) Header() (metadata.MD, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Header")
+	ret0, _ := ret[0].(metadata.MD)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Header indicates an expected call of Header.
+func (mr *MockSegmentServer_ReadFromBlockStreamClientMockRecorder) Header() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Header", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamClient)(nil).Header))
+}
+
+// Recv mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamClient) Recv() (*ReadFromBlockStreamResponse, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Recv")
+	ret0, _ := ret[0].(*ReadFromBlockStreamResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Recv indicates an expected call of Recv.
+func (mr *MockSegmentServer_ReadFromBlockStreamClientMockRecorder) Recv() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamClient)(nil).Recv))
+}
+
+// RecvMsg mocks base method.
+func (m_2 *MockSegmentServer_ReadFromBlockStreamClient) RecvMsg(m interface{}) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RecvMsg indicates an expected call of RecvMsg.
+func (mr *MockSegmentServer_ReadFromBlockStreamClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamClient)(nil).RecvMsg), m)
+}
+
+// Send mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamClient) Send(arg0 *ReadFromBlockStreamRequest) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Send", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Send indicates an expected call of Send.
+func (mr *MockSegmentServer_ReadFromBlockStreamClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamClient)(nil).Send), arg0)
+}
+
+// SendMsg mocks base method.
+func (m_2 *MockSegmentServer_ReadFromBlockStreamClient) SendMsg(m interface{}) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendMsg indicates an expected call of SendMsg.
+func (mr *MockSegmentServer_ReadFromBlockStreamClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamClient)(nil).SendMsg), m)
+}
+
+// Trailer mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamClient) Trailer() metadata.MD {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Trailer")
+	ret0, _ := ret[0].(metadata.MD)
+	return ret0
+}
+
+// Trailer indicates an expected call of Trailer.
+func (mr *MockSegmentServer_ReadFromBlockStreamClientMockRecorder) Trailer() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamClient)(nil).Trailer))
+}
+
+// MockSegmentServer_AppendToBlockAsyncStreamClient is a mock of SegmentServer_AppendToBlockAsyncStreamClient interface.
+type MockSegmentServer_AppendToBlockAsyncStreamClient struct {
+	ctrl     *gomock.Controller
+	recorder *MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder
+}
+
+// MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder is the mock recorder for MockSegmentServer_AppendToBlockAsyncStreamClient.
+type MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder struct {
+	mock *MockSegmentServer_AppendToBlockAsyncStreamClient
+}
+
+// NewMockSegmentServer_AppendToBlockAsyncStreamClient creates a new mock instance.
+func NewMockSegmentServer_AppendToBlockAsyncStreamClient(ctrl *gomock.Controller) *MockSegmentServer_AppendToBlockAsyncStreamClient {
+	mock := &MockSegmentServer_AppendToBlockAsyncStreamClient{ctrl: ctrl}
+	mock.recorder = &MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamClient) EXPECT() *MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder {
+	return m.recorder
+}
+
+// CloseSend mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamClient) CloseSend() error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CloseSend")
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// CloseSend indicates an expected call of CloseSend.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder) CloseSend() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseSend", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamClient)(nil).CloseSend))
+}
+
+// Context mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamClient) Context() context.Context {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Context")
+	ret0, _ := ret[0].(context.Context)
+	return ret0
+}
+
+// Context indicates an expected call of Context.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder) Context() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamClient)(nil).Context))
+}
+
+// Header mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamClient) Header() (metadata.MD, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Header")
+	ret0, _ := ret[0].(metadata.MD)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Header indicates an expected call of Header.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder) Header() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Header", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamClient)(nil).Header))
+}
+
+// Recv mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamClient) Recv() (*AppendToBlockAsyncStreamResponse, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Recv")
+	ret0, _ := ret[0].(*AppendToBlockAsyncStreamResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Recv indicates an expected call of Recv.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder) Recv() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamClient)(nil).Recv))
+}
+
+// RecvMsg mocks base method.
+func (m_2 *MockSegmentServer_AppendToBlockAsyncStreamClient) RecvMsg(m interface{}) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RecvMsg indicates an expected call of RecvMsg.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamClient)(nil).RecvMsg), m)
+}
+
+// Send mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamClient) Send(arg0 *AppendToBlockAsyncStreamRequest) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Send", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Send indicates an expected call of Send.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamClient)(nil).Send), arg0)
+}
+
+// SendMsg mocks base method.
+func (m_2 *MockSegmentServer_AppendToBlockAsyncStreamClient) SendMsg(m interface{}) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendMsg indicates an expected call of SendMsg.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamClient)(nil).SendMsg), m)
+}
+
+// Trailer mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamClient) Trailer() metadata.MD {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Trailer")
+	ret0, _ := ret[0].(metadata.MD)
+	return ret0
+}
+
+// Trailer indicates an expected call of Trailer.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamClientMockRecorder) Trailer() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamClient)(nil).Trailer))
+}
+
 // MockSegmentServerServer is a mock of SegmentServerServer interface.
 type MockSegmentServerServer struct {
 	ctrl     *gomock.Controller
@@ -467,6 +781,20 @@ func (mr *MockSegmentServerServerMockRecorder) AppendToBlock(arg0, arg1 interfac
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AppendToBlock", reflect.TypeOf((*MockSegmentServerServer)(nil).AppendToBlock), arg0, arg1)
 }
 
+// AppendToBlockAsyncStream mocks base method.
+func (m *MockSegmentServerServer) AppendToBlockAsyncStream(arg0 SegmentServer_AppendToBlockAsyncStreamServer) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "AppendToBlockAsyncStream", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// AppendToBlockAsyncStream indicates an expected call of AppendToBlockAsyncStream.
+func (mr *MockSegmentServerServerMockRecorder) AppendToBlockAsyncStream(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AppendToBlockAsyncStream", reflect.TypeOf((*MockSegmentServerServer)(nil).AppendToBlockAsyncStream), arg0)
+}
+
 // AppendToBlockStream mocks base method.
 func (m *MockSegmentServerServer) AppendToBlockStream(arg0 SegmentServer_AppendToBlockStreamServer) error {
 	m.ctrl.T.Helper()
@@ -556,6 +884,20 @@ func (mr *MockSegmentServerServerMockRecorder) ReadFromBlock(arg0, arg1 interfac
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReadFromBlock", reflect.TypeOf((*MockSegmentServerServer)(nil).ReadFromBlock), arg0, arg1)
 }
 
+// ReadFromBlockStream mocks base method.
+func (m *MockSegmentServerServer) ReadFromBlockStream(arg0 SegmentServer_ReadFromBlockStreamServer) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ReadFromBlockStream", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// ReadFromBlockStream indicates an expected call of ReadFromBlockStream.
+func (mr *MockSegmentServerServerMockRecorder) ReadFromBlockStream(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReadFromBlockStream", reflect.TypeOf((*MockSegmentServerServer)(nil).ReadFromBlockStream), arg0)
+}
+
 // RemoveBlock mocks base method.
 func (m *MockSegmentServerServer) RemoveBlock(arg0 context.Context, arg1 *RemoveBlockRequest) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
@@ -784,3 +1126,271 @@ func (mr *MockSegmentServer_AppendToBlockStreamServerMockRecorder) SetTrailer(ar
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockSegmentServer_AppendToBlockStreamServer)(nil).SetTrailer), arg0)
 }
+
+// MockSegmentServer_ReadFromBlockStreamServer is a mock of SegmentServer_ReadFromBlockStreamServer interface.
+type MockSegmentServer_ReadFromBlockStreamServer struct {
+	ctrl     *gomock.Controller
+	recorder *MockSegmentServer_ReadFromBlockStreamServerMockRecorder
+}
+
+// MockSegmentServer_ReadFromBlockStreamServerMockRecorder is the mock recorder for MockSegmentServer_ReadFromBlockStreamServer.
+type MockSegmentServer_ReadFromBlockStreamServerMockRecorder struct {
+	mock *MockSegmentServer_ReadFromBlockStreamServer
+}
+
+// NewMockSegmentServer_ReadFromBlockStreamServer creates a new mock instance.
+func NewMockSegmentServer_ReadFromBlockStreamServer(ctrl *gomock.Controller) *MockSegmentServer_ReadFromBlockStreamServer {
+	mock := &MockSegmentServer_ReadFromBlockStreamServer{ctrl: ctrl}
+	mock.recorder = &MockSegmentServer_ReadFromBlockStreamServerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockSegmentServer_ReadFromBlockStreamServer) EXPECT() *MockSegmentServer_ReadFromBlockStreamServerMockRecorder {
+	return m.recorder
+}
+
+// Context mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamServer) Context() context.Context {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Context")
+	ret0, _ := ret[0].(context.Context)
+	return ret0
+}
+
+// Context indicates an expected call of Context.
+func (mr *MockSegmentServer_ReadFromBlockStreamServerMockRecorder) Context() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamServer)(nil).Context))
+}
+
+// Recv mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamServer) Recv() (*ReadFromBlockStreamRequest, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Recv")
+	ret0, _ := ret[0].(*ReadFromBlockStreamRequest)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Recv indicates an expected call of Recv.
+func (mr *MockSegmentServer_ReadFromBlockStreamServerMockRecorder) Recv() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamServer)(nil).Recv))
+}
+
+// RecvMsg mocks base method.
+func (m_2 *MockSegmentServer_ReadFromBlockStreamServer) RecvMsg(m interface{}) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RecvMsg indicates an expected call of RecvMsg.
+func (mr *MockSegmentServer_ReadFromBlockStreamServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamServer)(nil).RecvMsg), m)
+}
+
+// Send mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamServer) Send(arg0 *ReadFromBlockStreamResponse) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Send", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Send indicates an expected call of Send.
+func (mr *MockSegmentServer_ReadFromBlockStreamServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamServer)(nil).Send), arg0)
+}
+
+// SendHeader mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamServer) SendHeader(arg0 metadata.MD) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SendHeader", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendHeader indicates an expected call of SendHeader.
+func (mr *MockSegmentServer_ReadFromBlockStreamServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamServer)(nil).SendHeader), arg0)
+}
+
+// SendMsg mocks base method.
+func (m_2 *MockSegmentServer_ReadFromBlockStreamServer) SendMsg(m interface{}) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendMsg indicates an expected call of SendMsg.
+func (mr *MockSegmentServer_ReadFromBlockStreamServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamServer)(nil).SendMsg), m)
+}
+
+// SetHeader mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamServer) SetHeader(arg0 metadata.MD) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SetHeader", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SetHeader indicates an expected call of SetHeader.
+func (mr *MockSegmentServer_ReadFromBlockStreamServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamServer)(nil).SetHeader), arg0)
+}
+
+// SetTrailer mocks base method.
+func (m *MockSegmentServer_ReadFromBlockStreamServer) SetTrailer(arg0 metadata.MD) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "SetTrailer", arg0)
+}
+
+// SetTrailer indicates an expected call of SetTrailer.
+func (mr *MockSegmentServer_ReadFromBlockStreamServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockSegmentServer_ReadFromBlockStreamServer)(nil).SetTrailer), arg0)
+}
+
+// MockSegmentServer_AppendToBlockAsyncStreamServer is a mock of SegmentServer_AppendToBlockAsyncStreamServer interface.
+type MockSegmentServer_AppendToBlockAsyncStreamServer struct {
+	ctrl     *gomock.Controller
+	recorder *MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder
+}
+
+// MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder is the mock recorder for MockSegmentServer_AppendToBlockAsyncStreamServer.
+type MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder struct {
+	mock *MockSegmentServer_AppendToBlockAsyncStreamServer
+}
+
+// NewMockSegmentServer_AppendToBlockAsyncStreamServer creates a new mock instance.
+func NewMockSegmentServer_AppendToBlockAsyncStreamServer(ctrl *gomock.Controller) *MockSegmentServer_AppendToBlockAsyncStreamServer {
+	mock := &MockSegmentServer_AppendToBlockAsyncStreamServer{ctrl: ctrl}
+	mock.recorder = &MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamServer) EXPECT() *MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder {
+	return m.recorder
+}
+
+// Context mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamServer) Context() context.Context {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Context")
+	ret0, _ := ret[0].(context.Context)
+	return ret0
+}
+
+// Context indicates an expected call of Context.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder) Context() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamServer)(nil).Context))
+}
+
+// Recv mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamServer) Recv() (*AppendToBlockAsyncStreamRequest, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Recv")
+	ret0, _ := ret[0].(*AppendToBlockAsyncStreamRequest)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Recv indicates an expected call of Recv.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder) Recv() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamServer)(nil).Recv))
+}
+
+// RecvMsg mocks base method.
+func (m_2 *MockSegmentServer_AppendToBlockAsyncStreamServer) RecvMsg(m interface{}) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RecvMsg indicates an expected call of RecvMsg.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamServer)(nil).RecvMsg), m)
+}
+
+// Send mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamServer) Send(arg0 *AppendToBlockAsyncStreamResponse) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Send", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Send indicates an expected call of Send.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamServer)(nil).Send), arg0)
+}
+
+// SendHeader mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamServer) SendHeader(arg0 metadata.MD) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SendHeader", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendHeader indicates an expected call of SendHeader.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamServer)(nil).SendHeader), arg0)
+}
+
+// SendMsg mocks base method.
+func (m_2 *MockSegmentServer_AppendToBlockAsyncStreamServer) SendMsg(m interface{}) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendMsg indicates an expected call of SendMsg.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamServer)(nil).SendMsg), m)
+}
+
+// SetHeader mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamServer) SetHeader(arg0 metadata.MD) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SetHeader", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SetHeader indicates an expected call of SetHeader.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamServer)(nil).SetHeader), arg0)
+}
+
+// SetTrailer mocks base method.
+func (m *MockSegmentServer_AppendToBlockAsyncStreamServer) SetTrailer(arg0 metadata.MD) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "SetTrailer", arg0)
+}
+
+// SetTrailer indicates an expected call of SetTrailer.
+func (mr *MockSegmentServer_AppendToBlockAsyncStreamServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockSegmentServer_AppendToBlockAsyncStreamServer)(nil).SetTrailer), arg0)
+}
diff --git a/proto/pkg/segment/segment.pb.go b/proto/pkg/segment/segment.pb.go
index fb3c9226d..68cd6a9af 100644
--- a/proto/pkg/segment/segment.pb.go
+++ b/proto/pkg/segment/segment.pb.go
@@ -968,6 +968,285 @@ func (x *AppendToBlockStreamResponse) GetOffsets() []int64 {
 	return nil
 }
 
+type ReadFromBlockStreamRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	RequestId uint64 `protobuf:"varint,1,opt,name=request_id,json=requestId,proto3" json:"request_id,omitempty"`
+	BlockId   uint64 `protobuf:"varint,2,opt,name=block_id,json=blockId,proto3" json:"block_id,omitempty"`
+	Offset    int64  `protobuf:"varint,3,opt,name=offset,proto3" json:"offset,omitempty"`
+	Number    int64  `protobuf:"varint,4,opt,name=number,proto3" json:"number,omitempty"`
+	// polling timeout in milliseconds, 0 is disable.
+	PollingTimeout uint32 `protobuf:"varint,5,opt,name=polling_timeout,json=pollingTimeout,proto3" json:"polling_timeout,omitempty"`
+}
+
+func (x *ReadFromBlockStreamRequest) Reset() {
+	*x = ReadFromBlockStreamRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_segment_proto_msgTypes[18]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ReadFromBlockStreamRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ReadFromBlockStreamRequest) ProtoMessage() {}
+
+func (x *ReadFromBlockStreamRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_segment_proto_msgTypes[18]
+	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 ReadFromBlockStreamRequest.ProtoReflect.Descriptor instead.
+func (*ReadFromBlockStreamRequest) Descriptor() ([]byte, []int) {
+	return file_segment_proto_rawDescGZIP(), []int{18}
+}
+
+func (x *ReadFromBlockStreamRequest) GetRequestId() uint64 {
+	if x != nil {
+		return x.RequestId
+	}
+	return 0
+}
+
+func (x *ReadFromBlockStreamRequest) GetBlockId() uint64 {
+	if x != nil {
+		return x.BlockId
+	}
+	return 0
+}
+
+func (x *ReadFromBlockStreamRequest) GetOffset() int64 {
+	if x != nil {
+		return x.Offset
+	}
+	return 0
+}
+
+func (x *ReadFromBlockStreamRequest) GetNumber() int64 {
+	if x != nil {
+		return x.Number
+	}
+	return 0
+}
+
+func (x *ReadFromBlockStreamRequest) GetPollingTimeout() uint32 {
+	if x != nil {
+		return x.PollingTimeout
+	}
+	return 0
+}
+
+type ReadFromBlockStreamResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ResponseId   uint64              `protobuf:"varint,1,opt,name=response_id,json=responseId,proto3" json:"response_id,omitempty"`
+	ResponseCode ResponseCode        `protobuf:"varint,2,opt,name=response_code,json=responseCode,proto3,enum=linkall.vanus.segment.ResponseCode" json:"response_code,omitempty"`
+	Events       *v1.CloudEventBatch `protobuf:"bytes,3,opt,name=events,proto3" json:"events,omitempty"`
+	// Don't use this now, just used to optimize cpu overhead of SegmentServer in
+	// the future for backward compatibility
+	Payload []byte `protobuf:"bytes,4,opt,name=payload,proto3" json:"payload,omitempty"`
+}
+
+func (x *ReadFromBlockStreamResponse) Reset() {
+	*x = ReadFromBlockStreamResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_segment_proto_msgTypes[19]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ReadFromBlockStreamResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ReadFromBlockStreamResponse) ProtoMessage() {}
+
+func (x *ReadFromBlockStreamResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_segment_proto_msgTypes[19]
+	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 ReadFromBlockStreamResponse.ProtoReflect.Descriptor instead.
+func (*ReadFromBlockStreamResponse) Descriptor() ([]byte, []int) {
+	return file_segment_proto_rawDescGZIP(), []int{19}
+}
+
+func (x *ReadFromBlockStreamResponse) GetResponseId() uint64 {
+	if x != nil {
+		return x.ResponseId
+	}
+	return 0
+}
+
+func (x *ReadFromBlockStreamResponse) GetResponseCode() ResponseCode {
+	if x != nil {
+		return x.ResponseCode
+	}
+	return ResponseCode_SUCCESS
+}
+
+func (x *ReadFromBlockStreamResponse) GetEvents() *v1.CloudEventBatch {
+	if x != nil {
+		return x.Events
+	}
+	return nil
+}
+
+func (x *ReadFromBlockStreamResponse) GetPayload() []byte {
+	if x != nil {
+		return x.Payload
+	}
+	return nil
+}
+
+type AppendToBlockAsyncStreamRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	RequestId uint64              `protobuf:"varint,1,opt,name=request_id,json=requestId,proto3" json:"request_id,omitempty"`
+	BlockId   uint64              `protobuf:"varint,2,opt,name=block_id,json=blockId,proto3" json:"block_id,omitempty"`
+	Events    *v1.CloudEventBatch `protobuf:"bytes,3,opt,name=events,proto3" json:"events,omitempty"`
+}
+
+func (x *AppendToBlockAsyncStreamRequest) Reset() {
+	*x = AppendToBlockAsyncStreamRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_segment_proto_msgTypes[20]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AppendToBlockAsyncStreamRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AppendToBlockAsyncStreamRequest) ProtoMessage() {}
+
+func (x *AppendToBlockAsyncStreamRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_segment_proto_msgTypes[20]
+	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 AppendToBlockAsyncStreamRequest.ProtoReflect.Descriptor instead.
+func (*AppendToBlockAsyncStreamRequest) Descriptor() ([]byte, []int) {
+	return file_segment_proto_rawDescGZIP(), []int{20}
+}
+
+func (x *AppendToBlockAsyncStreamRequest) GetRequestId() uint64 {
+	if x != nil {
+		return x.RequestId
+	}
+	return 0
+}
+
+func (x *AppendToBlockAsyncStreamRequest) GetBlockId() uint64 {
+	if x != nil {
+		return x.BlockId
+	}
+	return 0
+}
+
+func (x *AppendToBlockAsyncStreamRequest) GetEvents() *v1.CloudEventBatch {
+	if x != nil {
+		return x.Events
+	}
+	return nil
+}
+
+type AppendToBlockAsyncStreamResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ResponseId   uint64       `protobuf:"varint,1,opt,name=response_id,json=responseId,proto3" json:"response_id,omitempty"`
+	ResponseCode ResponseCode `protobuf:"varint,2,opt,name=response_code,json=responseCode,proto3,enum=linkall.vanus.segment.ResponseCode" json:"response_code,omitempty"`
+	Offsets      []int64      `protobuf:"varint,3,rep,packed,name=offsets,proto3" json:"offsets,omitempty"`
+}
+
+func (x *AppendToBlockAsyncStreamResponse) Reset() {
+	*x = AppendToBlockAsyncStreamResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_segment_proto_msgTypes[21]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AppendToBlockAsyncStreamResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AppendToBlockAsyncStreamResponse) ProtoMessage() {}
+
+func (x *AppendToBlockAsyncStreamResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_segment_proto_msgTypes[21]
+	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 AppendToBlockAsyncStreamResponse.ProtoReflect.Descriptor instead.
+func (*AppendToBlockAsyncStreamResponse) Descriptor() ([]byte, []int) {
+	return file_segment_proto_rawDescGZIP(), []int{21}
+}
+
+func (x *AppendToBlockAsyncStreamResponse) GetResponseId() uint64 {
+	if x != nil {
+		return x.ResponseId
+	}
+	return 0
+}
+
+func (x *AppendToBlockAsyncStreamResponse) GetResponseCode() ResponseCode {
+	if x != nil {
+		return x.ResponseCode
+	}
+	return ResponseCode_SUCCESS
+}
+
+func (x *AppendToBlockAsyncStreamResponse) GetOffsets() []int64 {
+	if x != nil {
+		return x.Offsets
+	}
+	return nil
+}
+
 type LookupOffsetInBlockRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -980,7 +1259,7 @@ type LookupOffsetInBlockRequest struct {
 func (x *LookupOffsetInBlockRequest) Reset() {
 	*x = LookupOffsetInBlockRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_segment_proto_msgTypes[18]
+		mi := &file_segment_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -993,7 +1272,7 @@ func (x *LookupOffsetInBlockRequest) String() string {
 func (*LookupOffsetInBlockRequest) ProtoMessage() {}
 
 func (x *LookupOffsetInBlockRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_segment_proto_msgTypes[18]
+	mi := &file_segment_proto_msgTypes[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1006,7 +1285,7 @@ func (x *LookupOffsetInBlockRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LookupOffsetInBlockRequest.ProtoReflect.Descriptor instead.
 func (*LookupOffsetInBlockRequest) Descriptor() ([]byte, []int) {
-	return file_segment_proto_rawDescGZIP(), []int{18}
+	return file_segment_proto_rawDescGZIP(), []int{22}
 }
 
 func (x *LookupOffsetInBlockRequest) GetBlockId() uint64 {
@@ -1034,7 +1313,7 @@ type LookupOffsetInBlockResponse struct {
 func (x *LookupOffsetInBlockResponse) Reset() {
 	*x = LookupOffsetInBlockResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_segment_proto_msgTypes[19]
+		mi := &file_segment_proto_msgTypes[23]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1047,7 +1326,7 @@ func (x *LookupOffsetInBlockResponse) String() string {
 func (*LookupOffsetInBlockResponse) ProtoMessage() {}
 
 func (x *LookupOffsetInBlockResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_segment_proto_msgTypes[19]
+	mi := &file_segment_proto_msgTypes[23]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1060,7 +1339,7 @@ func (x *LookupOffsetInBlockResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LookupOffsetInBlockResponse.ProtoReflect.Descriptor instead.
 func (*LookupOffsetInBlockResponse) Descriptor() ([]byte, []int) {
-	return file_segment_proto_rawDescGZIP(), []int{19}
+	return file_segment_proto_rawDescGZIP(), []int{23}
 }
 
 func (x *LookupOffsetInBlockResponse) GetOffset() int64 {
@@ -1081,7 +1360,7 @@ type StatusResponse struct {
 func (x *StatusResponse) Reset() {
 	*x = StatusResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_segment_proto_msgTypes[20]
+		mi := &file_segment_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1094,7 +1373,7 @@ func (x *StatusResponse) String() string {
 func (*StatusResponse) ProtoMessage() {}
 
 func (x *StatusResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_segment_proto_msgTypes[20]
+	mi := &file_segment_proto_msgTypes[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1107,7 +1386,7 @@ func (x *StatusResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StatusResponse.ProtoReflect.Descriptor instead.
 func (*StatusResponse) Descriptor() ([]byte, []int) {
-	return file_segment_proto_rawDescGZIP(), []int{20}
+	return file_segment_proto_rawDescGZIP(), []int{24}
 }
 
 func (x *StatusResponse) GetStatus() string {
@@ -1215,104 +1494,167 @@ var file_segment_proto_rawDesc = []byte{
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+	0x33,
 }
 
 var (
@@ -1328,71 +1670,83 @@ func file_segment_proto_rawDescGZIP() []byte {
 }
 
 var file_segment_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_segment_proto_msgTypes = make([]protoimpl.MessageInfo, 22)
+var file_segment_proto_msgTypes = make([]protoimpl.MessageInfo, 26)
 var file_segment_proto_goTypes = []interface{}{
-	(ResponseCode)(0),                   // 0: linkall.vanus.segment.ResponseCode
-	(*StartSegmentServerRequest)(nil),   // 1: linkall.vanus.segment.StartSegmentServerRequest
-	(*StartSegmentServerResponse)(nil),  // 2: linkall.vanus.segment.StartSegmentServerResponse
-	(*StopSegmentServerRequest)(nil),    // 3: linkall.vanus.segment.StopSegmentServerRequest
-	(*StopSegmentServerResponse)(nil),   // 4: linkall.vanus.segment.StopSegmentServerResponse
-	(*CreateBlockRequest)(nil),          // 5: linkall.vanus.segment.CreateBlockRequest
-	(*RemoveBlockRequest)(nil),          // 6: linkall.vanus.segment.RemoveBlockRequest
-	(*GetBlockInfoRequest)(nil),         // 7: linkall.vanus.segment.GetBlockInfoRequest
-	(*GetBlockInfoResponse)(nil),        // 8: linkall.vanus.segment.GetBlockInfoResponse
-	(*ActivateSegmentRequest)(nil),      // 9: linkall.vanus.segment.ActivateSegmentRequest
-	(*ActivateSegmentResponse)(nil),     // 10: linkall.vanus.segment.ActivateSegmentResponse
-	(*InactivateSegmentRequest)(nil),    // 11: linkall.vanus.segment.InactivateSegmentRequest
-	(*InactivateSegmentResponse)(nil),   // 12: linkall.vanus.segment.InactivateSegmentResponse
-	(*AppendToBlockRequest)(nil),        // 13: linkall.vanus.segment.AppendToBlockRequest
-	(*AppendToBlockResponse)(nil),       // 14: linkall.vanus.segment.AppendToBlockResponse
-	(*ReadFromBlockRequest)(nil),        // 15: linkall.vanus.segment.ReadFromBlockRequest
-	(*ReadFromBlockResponse)(nil),       // 16: linkall.vanus.segment.ReadFromBlockResponse
-	(*AppendToBlockStreamRequest)(nil),  // 17: linkall.vanus.segment.AppendToBlockStreamRequest
-	(*AppendToBlockStreamResponse)(nil), // 18: linkall.vanus.segment.AppendToBlockStreamResponse
-	(*LookupOffsetInBlockRequest)(nil),  // 19: linkall.vanus.segment.LookupOffsetInBlockRequest
-	(*LookupOffsetInBlockResponse)(nil), // 20: linkall.vanus.segment.LookupOffsetInBlockResponse
-	(*StatusResponse)(nil),              // 21: linkall.vanus.segment.StatusResponse
-	nil,                                 // 22: linkall.vanus.segment.ActivateSegmentRequest.ReplicasEntry
-	(*config.ServerConfig)(nil),         // 23: linkall.vanus.config.ServerConfig
-	(*v1.CloudEventBatch)(nil),          // 24: io.cloudevents.v1.CloudEventBatch
-	(*emptypb.Empty)(nil),               // 25: google.protobuf.Empty
+	(ResponseCode)(0),                        // 0: linkall.vanus.segment.ResponseCode
+	(*StartSegmentServerRequest)(nil),        // 1: linkall.vanus.segment.StartSegmentServerRequest
+	(*StartSegmentServerResponse)(nil),       // 2: linkall.vanus.segment.StartSegmentServerResponse
+	(*StopSegmentServerRequest)(nil),         // 3: linkall.vanus.segment.StopSegmentServerRequest
+	(*StopSegmentServerResponse)(nil),        // 4: linkall.vanus.segment.StopSegmentServerResponse
+	(*CreateBlockRequest)(nil),               // 5: linkall.vanus.segment.CreateBlockRequest
+	(*RemoveBlockRequest)(nil),               // 6: linkall.vanus.segment.RemoveBlockRequest
+	(*GetBlockInfoRequest)(nil),              // 7: linkall.vanus.segment.GetBlockInfoRequest
+	(*GetBlockInfoResponse)(nil),             // 8: linkall.vanus.segment.GetBlockInfoResponse
+	(*ActivateSegmentRequest)(nil),           // 9: linkall.vanus.segment.ActivateSegmentRequest
+	(*ActivateSegmentResponse)(nil),          // 10: linkall.vanus.segment.ActivateSegmentResponse
+	(*InactivateSegmentRequest)(nil),         // 11: linkall.vanus.segment.InactivateSegmentRequest
+	(*InactivateSegmentResponse)(nil),        // 12: linkall.vanus.segment.InactivateSegmentResponse
+	(*AppendToBlockRequest)(nil),             // 13: linkall.vanus.segment.AppendToBlockRequest
+	(*AppendToBlockResponse)(nil),            // 14: linkall.vanus.segment.AppendToBlockResponse
+	(*ReadFromBlockRequest)(nil),             // 15: linkall.vanus.segment.ReadFromBlockRequest
+	(*ReadFromBlockResponse)(nil),            // 16: linkall.vanus.segment.ReadFromBlockResponse
+	(*AppendToBlockStreamRequest)(nil),       // 17: linkall.vanus.segment.AppendToBlockStreamRequest
+	(*AppendToBlockStreamResponse)(nil),      // 18: linkall.vanus.segment.AppendToBlockStreamResponse
+	(*ReadFromBlockStreamRequest)(nil),       // 19: linkall.vanus.segment.ReadFromBlockStreamRequest
+	(*ReadFromBlockStreamResponse)(nil),      // 20: linkall.vanus.segment.ReadFromBlockStreamResponse
+	(*AppendToBlockAsyncStreamRequest)(nil),  // 21: linkall.vanus.segment.AppendToBlockAsyncStreamRequest
+	(*AppendToBlockAsyncStreamResponse)(nil), // 22: linkall.vanus.segment.AppendToBlockAsyncStreamResponse
+	(*LookupOffsetInBlockRequest)(nil),       // 23: linkall.vanus.segment.LookupOffsetInBlockRequest
+	(*LookupOffsetInBlockResponse)(nil),      // 24: linkall.vanus.segment.LookupOffsetInBlockResponse
+	(*StatusResponse)(nil),                   // 25: linkall.vanus.segment.StatusResponse
+	nil,                                      // 26: linkall.vanus.segment.ActivateSegmentRequest.ReplicasEntry
+	(*config.ServerConfig)(nil),              // 27: linkall.vanus.config.ServerConfig
+	(*v1.CloudEventBatch)(nil),               // 28: io.cloudevents.v1.CloudEventBatch
+	(*emptypb.Empty)(nil),                    // 29: google.protobuf.Empty
 }
 var file_segment_proto_depIdxs = []int32{
-	23, // 0: linkall.vanus.segment.StartSegmentServerRequest.config:type_name -> linkall.vanus.config.ServerConfig
-	22, // 1: linkall.vanus.segment.ActivateSegmentRequest.replicas:type_name -> linkall.vanus.segment.ActivateSegmentRequest.ReplicasEntry
-	24, // 2: linkall.vanus.segment.AppendToBlockRequest.events:type_name -> io.cloudevents.v1.CloudEventBatch
-	24, // 3: linkall.vanus.segment.ReadFromBlockResponse.events:type_name -> io.cloudevents.v1.CloudEventBatch
-	24, // 4: linkall.vanus.segment.AppendToBlockStreamRequest.events:type_name -> io.cloudevents.v1.CloudEventBatch
+	27, // 0: linkall.vanus.segment.StartSegmentServerRequest.config:type_name -> linkall.vanus.config.ServerConfig
+	26, // 1: linkall.vanus.segment.ActivateSegmentRequest.replicas:type_name -> linkall.vanus.segment.ActivateSegmentRequest.ReplicasEntry
+	28, // 2: linkall.vanus.segment.AppendToBlockRequest.events:type_name -> io.cloudevents.v1.CloudEventBatch
+	28, // 3: linkall.vanus.segment.ReadFromBlockResponse.events:type_name -> io.cloudevents.v1.CloudEventBatch
+	28, // 4: linkall.vanus.segment.AppendToBlockStreamRequest.events:type_name -> io.cloudevents.v1.CloudEventBatch
 	0,  // 5: linkall.vanus.segment.AppendToBlockStreamResponse.response_code:type_name -> linkall.vanus.segment.ResponseCode
-	1,  // 6: linkall.vanus.segment.SegmentServer.Start:input_type -> linkall.vanus.segment.StartSegmentServerRequest
-	3,  // 7: linkall.vanus.segment.SegmentServer.Stop:input_type -> linkall.vanus.segment.StopSegmentServerRequest
-	5,  // 8: linkall.vanus.segment.SegmentServer.CreateBlock:input_type -> linkall.vanus.segment.CreateBlockRequest
-	6,  // 9: linkall.vanus.segment.SegmentServer.RemoveBlock:input_type -> linkall.vanus.segment.RemoveBlockRequest
-	7,  // 10: linkall.vanus.segment.SegmentServer.GetBlockInfo:input_type -> linkall.vanus.segment.GetBlockInfoRequest
-	9,  // 11: linkall.vanus.segment.SegmentServer.ActivateSegment:input_type -> linkall.vanus.segment.ActivateSegmentRequest
-	11, // 12: linkall.vanus.segment.SegmentServer.InactivateSegment:input_type -> linkall.vanus.segment.InactivateSegmentRequest
-	13, // 13: linkall.vanus.segment.SegmentServer.AppendToBlock:input_type -> linkall.vanus.segment.AppendToBlockRequest
-	15, // 14: linkall.vanus.segment.SegmentServer.ReadFromBlock:input_type -> linkall.vanus.segment.ReadFromBlockRequest
-	17, // 15: linkall.vanus.segment.SegmentServer.AppendToBlockStream:input_type -> linkall.vanus.segment.AppendToBlockStreamRequest
-	19, // 16: linkall.vanus.segment.SegmentServer.LookupOffsetInBlock:input_type -> linkall.vanus.segment.LookupOffsetInBlockRequest
-	25, // 17: linkall.vanus.segment.SegmentServer.Status:input_type -> google.protobuf.Empty
-	2,  // 18: linkall.vanus.segment.SegmentServer.Start:output_type -> linkall.vanus.segment.StartSegmentServerResponse
-	4,  // 19: linkall.vanus.segment.SegmentServer.Stop:output_type -> linkall.vanus.segment.StopSegmentServerResponse
-	25, // 20: linkall.vanus.segment.SegmentServer.CreateBlock:output_type -> google.protobuf.Empty
-	25, // 21: linkall.vanus.segment.SegmentServer.RemoveBlock:output_type -> google.protobuf.Empty
-	8,  // 22: linkall.vanus.segment.SegmentServer.GetBlockInfo:output_type -> linkall.vanus.segment.GetBlockInfoResponse
-	10, // 23: linkall.vanus.segment.SegmentServer.ActivateSegment:output_type -> linkall.vanus.segment.ActivateSegmentResponse
-	25, // 24: linkall.vanus.segment.SegmentServer.InactivateSegment:output_type -> google.protobuf.Empty
-	14, // 25: linkall.vanus.segment.SegmentServer.AppendToBlock:output_type -> linkall.vanus.segment.AppendToBlockResponse
-	16, // 26: linkall.vanus.segment.SegmentServer.ReadFromBlock:output_type -> linkall.vanus.segment.ReadFromBlockResponse
-	18, // 27: linkall.vanus.segment.SegmentServer.AppendToBlockStream:output_type -> linkall.vanus.segment.AppendToBlockStreamResponse
-	20, // 28: linkall.vanus.segment.SegmentServer.LookupOffsetInBlock:output_type -> linkall.vanus.segment.LookupOffsetInBlockResponse
-	21, // 29: linkall.vanus.segment.SegmentServer.Status:output_type -> linkall.vanus.segment.StatusResponse
-	18, // [18:30] is the sub-list for method output_type
-	6,  // [6:18] is the sub-list for method input_type
-	6,  // [6:6] is the sub-list for extension type_name
-	6,  // [6:6] is the sub-list for extension extendee
-	0,  // [0:6] is the sub-list for field type_name
+	0,  // 6: linkall.vanus.segment.ReadFromBlockStreamResponse.response_code:type_name -> linkall.vanus.segment.ResponseCode
+	28, // 7: linkall.vanus.segment.ReadFromBlockStreamResponse.events:type_name -> io.cloudevents.v1.CloudEventBatch
+	28, // 8: linkall.vanus.segment.AppendToBlockAsyncStreamRequest.events:type_name -> io.cloudevents.v1.CloudEventBatch
+	0,  // 9: linkall.vanus.segment.AppendToBlockAsyncStreamResponse.response_code:type_name -> linkall.vanus.segment.ResponseCode
+	1,  // 10: linkall.vanus.segment.SegmentServer.Start:input_type -> linkall.vanus.segment.StartSegmentServerRequest
+	3,  // 11: linkall.vanus.segment.SegmentServer.Stop:input_type -> linkall.vanus.segment.StopSegmentServerRequest
+	5,  // 12: linkall.vanus.segment.SegmentServer.CreateBlock:input_type -> linkall.vanus.segment.CreateBlockRequest
+	6,  // 13: linkall.vanus.segment.SegmentServer.RemoveBlock:input_type -> linkall.vanus.segment.RemoveBlockRequest
+	7,  // 14: linkall.vanus.segment.SegmentServer.GetBlockInfo:input_type -> linkall.vanus.segment.GetBlockInfoRequest
+	9,  // 15: linkall.vanus.segment.SegmentServer.ActivateSegment:input_type -> linkall.vanus.segment.ActivateSegmentRequest
+	11, // 16: linkall.vanus.segment.SegmentServer.InactivateSegment:input_type -> linkall.vanus.segment.InactivateSegmentRequest
+	13, // 17: linkall.vanus.segment.SegmentServer.AppendToBlock:input_type -> linkall.vanus.segment.AppendToBlockRequest
+	15, // 18: linkall.vanus.segment.SegmentServer.ReadFromBlock:input_type -> linkall.vanus.segment.ReadFromBlockRequest
+	17, // 19: linkall.vanus.segment.SegmentServer.AppendToBlockStream:input_type -> linkall.vanus.segment.AppendToBlockStreamRequest
+	19, // 20: linkall.vanus.segment.SegmentServer.ReadFromBlockStream:input_type -> linkall.vanus.segment.ReadFromBlockStreamRequest
+	21, // 21: linkall.vanus.segment.SegmentServer.AppendToBlockAsyncStream:input_type -> linkall.vanus.segment.AppendToBlockAsyncStreamRequest
+	23, // 22: linkall.vanus.segment.SegmentServer.LookupOffsetInBlock:input_type -> linkall.vanus.segment.LookupOffsetInBlockRequest
+	29, // 23: linkall.vanus.segment.SegmentServer.Status:input_type -> google.protobuf.Empty
+	2,  // 24: linkall.vanus.segment.SegmentServer.Start:output_type -> linkall.vanus.segment.StartSegmentServerResponse
+	4,  // 25: linkall.vanus.segment.SegmentServer.Stop:output_type -> linkall.vanus.segment.StopSegmentServerResponse
+	29, // 26: linkall.vanus.segment.SegmentServer.CreateBlock:output_type -> google.protobuf.Empty
+	29, // 27: linkall.vanus.segment.SegmentServer.RemoveBlock:output_type -> google.protobuf.Empty
+	8,  // 28: linkall.vanus.segment.SegmentServer.GetBlockInfo:output_type -> linkall.vanus.segment.GetBlockInfoResponse
+	10, // 29: linkall.vanus.segment.SegmentServer.ActivateSegment:output_type -> linkall.vanus.segment.ActivateSegmentResponse
+	29, // 30: linkall.vanus.segment.SegmentServer.InactivateSegment:output_type -> google.protobuf.Empty
+	14, // 31: linkall.vanus.segment.SegmentServer.AppendToBlock:output_type -> linkall.vanus.segment.AppendToBlockResponse
+	16, // 32: linkall.vanus.segment.SegmentServer.ReadFromBlock:output_type -> linkall.vanus.segment.ReadFromBlockResponse
+	18, // 33: linkall.vanus.segment.SegmentServer.AppendToBlockStream:output_type -> linkall.vanus.segment.AppendToBlockStreamResponse
+	20, // 34: linkall.vanus.segment.SegmentServer.ReadFromBlockStream:output_type -> linkall.vanus.segment.ReadFromBlockStreamResponse
+	22, // 35: linkall.vanus.segment.SegmentServer.AppendToBlockAsyncStream:output_type -> linkall.vanus.segment.AppendToBlockAsyncStreamResponse
+	24, // 36: linkall.vanus.segment.SegmentServer.LookupOffsetInBlock:output_type -> linkall.vanus.segment.LookupOffsetInBlockResponse
+	25, // 37: linkall.vanus.segment.SegmentServer.Status:output_type -> linkall.vanus.segment.StatusResponse
+	24, // [24:38] is the sub-list for method output_type
+	10, // [10:24] is the sub-list for method input_type
+	10, // [10:10] is the sub-list for extension type_name
+	10, // [10:10] is the sub-list for extension extendee
+	0,  // [0:10] is the sub-list for field type_name
 }
 
 func init() { file_segment_proto_init() }
@@ -1618,7 +1972,7 @@ func file_segment_proto_init() {
 			}
 		}
 		file_segment_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LookupOffsetInBlockRequest); i {
+			switch v := v.(*ReadFromBlockStreamRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1630,7 +1984,7 @@ func file_segment_proto_init() {
 			}
 		}
 		file_segment_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LookupOffsetInBlockResponse); i {
+			switch v := v.(*ReadFromBlockStreamResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1642,6 +1996,54 @@ func file_segment_proto_init() {
 			}
 		}
 		file_segment_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AppendToBlockAsyncStreamRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_segment_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AppendToBlockAsyncStreamResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_segment_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*LookupOffsetInBlockRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_segment_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*LookupOffsetInBlockResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_segment_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*StatusResponse); i {
 			case 0:
 				return &v.state
@@ -1660,7 +2062,7 @@ func file_segment_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_segment_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   22,
+			NumMessages:   26,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/proto/pkg/segment/segment_grpc.pb.go b/proto/pkg/segment/segment_grpc.pb.go
index d0d3f178d..3bd99ddad 100644
--- a/proto/pkg/segment/segment_grpc.pb.go
+++ b/proto/pkg/segment/segment_grpc.pb.go
@@ -33,6 +33,8 @@ type SegmentServerClient interface {
 	AppendToBlock(ctx context.Context, in *AppendToBlockRequest, opts ...grpc.CallOption) (*AppendToBlockResponse, error)
 	ReadFromBlock(ctx context.Context, in *ReadFromBlockRequest, opts ...grpc.CallOption) (*ReadFromBlockResponse, error)
 	AppendToBlockStream(ctx context.Context, opts ...grpc.CallOption) (SegmentServer_AppendToBlockStreamClient, error)
+	ReadFromBlockStream(ctx context.Context, opts ...grpc.CallOption) (SegmentServer_ReadFromBlockStreamClient, error)
+	AppendToBlockAsyncStream(ctx context.Context, opts ...grpc.CallOption) (SegmentServer_AppendToBlockAsyncStreamClient, error)
 	LookupOffsetInBlock(ctx context.Context, in *LookupOffsetInBlockRequest, opts ...grpc.CallOption) (*LookupOffsetInBlockResponse, error)
 	Status(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*StatusResponse, error)
 }
@@ -157,6 +159,68 @@ func (x *segmentServerAppendToBlockStreamClient) Recv() (*AppendToBlockStreamRes
 	return m, nil
 }
 
+func (c *segmentServerClient) ReadFromBlockStream(ctx context.Context, opts ...grpc.CallOption) (SegmentServer_ReadFromBlockStreamClient, error) {
+	stream, err := c.cc.NewStream(ctx, &SegmentServer_ServiceDesc.Streams[1], "/linkall.vanus.segment.SegmentServer/ReadFromBlockStream", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &segmentServerReadFromBlockStreamClient{stream}
+	return x, nil
+}
+
+type SegmentServer_ReadFromBlockStreamClient interface {
+	Send(*ReadFromBlockStreamRequest) error
+	Recv() (*ReadFromBlockStreamResponse, error)
+	grpc.ClientStream
+}
+
+type segmentServerReadFromBlockStreamClient struct {
+	grpc.ClientStream
+}
+
+func (x *segmentServerReadFromBlockStreamClient) Send(m *ReadFromBlockStreamRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *segmentServerReadFromBlockStreamClient) Recv() (*ReadFromBlockStreamResponse, error) {
+	m := new(ReadFromBlockStreamResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *segmentServerClient) AppendToBlockAsyncStream(ctx context.Context, opts ...grpc.CallOption) (SegmentServer_AppendToBlockAsyncStreamClient, error) {
+	stream, err := c.cc.NewStream(ctx, &SegmentServer_ServiceDesc.Streams[2], "/linkall.vanus.segment.SegmentServer/AppendToBlockAsyncStream", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &segmentServerAppendToBlockAsyncStreamClient{stream}
+	return x, nil
+}
+
+type SegmentServer_AppendToBlockAsyncStreamClient interface {
+	Send(*AppendToBlockAsyncStreamRequest) error
+	Recv() (*AppendToBlockAsyncStreamResponse, error)
+	grpc.ClientStream
+}
+
+type segmentServerAppendToBlockAsyncStreamClient struct {
+	grpc.ClientStream
+}
+
+func (x *segmentServerAppendToBlockAsyncStreamClient) Send(m *AppendToBlockAsyncStreamRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *segmentServerAppendToBlockAsyncStreamClient) Recv() (*AppendToBlockAsyncStreamResponse, error) {
+	m := new(AppendToBlockAsyncStreamResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 func (c *segmentServerClient) LookupOffsetInBlock(ctx context.Context, in *LookupOffsetInBlockRequest, opts ...grpc.CallOption) (*LookupOffsetInBlockResponse, error) {
 	out := new(LookupOffsetInBlockResponse)
 	err := c.cc.Invoke(ctx, "/linkall.vanus.segment.SegmentServer/LookupOffsetInBlock", in, out, opts...)
@@ -189,6 +253,8 @@ type SegmentServerServer interface {
 	AppendToBlock(context.Context, *AppendToBlockRequest) (*AppendToBlockResponse, error)
 	ReadFromBlock(context.Context, *ReadFromBlockRequest) (*ReadFromBlockResponse, error)
 	AppendToBlockStream(SegmentServer_AppendToBlockStreamServer) error
+	ReadFromBlockStream(SegmentServer_ReadFromBlockStreamServer) error
+	AppendToBlockAsyncStream(SegmentServer_AppendToBlockAsyncStreamServer) error
 	LookupOffsetInBlock(context.Context, *LookupOffsetInBlockRequest) (*LookupOffsetInBlockResponse, error)
 	Status(context.Context, *emptypb.Empty) (*StatusResponse, error)
 }
@@ -227,6 +293,12 @@ func (UnimplementedSegmentServerServer) ReadFromBlock(context.Context, *ReadFrom
 func (UnimplementedSegmentServerServer) AppendToBlockStream(SegmentServer_AppendToBlockStreamServer) error {
 	return status.Errorf(codes.Unimplemented, "method AppendToBlockStream not implemented")
 }
+func (UnimplementedSegmentServerServer) ReadFromBlockStream(SegmentServer_ReadFromBlockStreamServer) error {
+	return status.Errorf(codes.Unimplemented, "method ReadFromBlockStream not implemented")
+}
+func (UnimplementedSegmentServerServer) AppendToBlockAsyncStream(SegmentServer_AppendToBlockAsyncStreamServer) error {
+	return status.Errorf(codes.Unimplemented, "method AppendToBlockAsyncStream not implemented")
+}
 func (UnimplementedSegmentServerServer) LookupOffsetInBlock(context.Context, *LookupOffsetInBlockRequest) (*LookupOffsetInBlockResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method LookupOffsetInBlock not implemented")
 }
@@ -433,6 +505,58 @@ func (x *segmentServerAppendToBlockStreamServer) Recv() (*AppendToBlockStreamReq
 	return m, nil
 }
 
+func _SegmentServer_ReadFromBlockStream_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SegmentServerServer).ReadFromBlockStream(&segmentServerReadFromBlockStreamServer{stream})
+}
+
+type SegmentServer_ReadFromBlockStreamServer interface {
+	Send(*ReadFromBlockStreamResponse) error
+	Recv() (*ReadFromBlockStreamRequest, error)
+	grpc.ServerStream
+}
+
+type segmentServerReadFromBlockStreamServer struct {
+	grpc.ServerStream
+}
+
+func (x *segmentServerReadFromBlockStreamServer) Send(m *ReadFromBlockStreamResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *segmentServerReadFromBlockStreamServer) Recv() (*ReadFromBlockStreamRequest, error) {
+	m := new(ReadFromBlockStreamRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _SegmentServer_AppendToBlockAsyncStream_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SegmentServerServer).AppendToBlockAsyncStream(&segmentServerAppendToBlockAsyncStreamServer{stream})
+}
+
+type SegmentServer_AppendToBlockAsyncStreamServer interface {
+	Send(*AppendToBlockAsyncStreamResponse) error
+	Recv() (*AppendToBlockAsyncStreamRequest, error)
+	grpc.ServerStream
+}
+
+type segmentServerAppendToBlockAsyncStreamServer struct {
+	grpc.ServerStream
+}
+
+func (x *segmentServerAppendToBlockAsyncStreamServer) Send(m *AppendToBlockAsyncStreamResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *segmentServerAppendToBlockAsyncStreamServer) Recv() (*AppendToBlockAsyncStreamRequest, error) {
+	m := new(AppendToBlockAsyncStreamRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 func _SegmentServer_LookupOffsetInBlock_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(LookupOffsetInBlockRequest)
 	if err := dec(in); err != nil {
@@ -528,6 +652,18 @@ var SegmentServer_ServiceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 			ClientStreams: true,
 		},
+		{
+			StreamName:    "ReadFromBlockStream",
+			Handler:       _SegmentServer_ReadFromBlockStream_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+		{
+			StreamName:    "AppendToBlockAsyncStream",
+			Handler:       _SegmentServer_AppendToBlockAsyncStream_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
 	},
 	Metadata: "segment.proto",
 }
diff --git a/proto/proto/segment.proto b/proto/proto/segment.proto
index acb52108b..0aff6b42d 100644
--- a/proto/proto/segment.proto
+++ b/proto/proto/segment.proto
@@ -36,6 +36,8 @@ service SegmentServer {
   rpc AppendToBlock(AppendToBlockRequest) returns (AppendToBlockResponse);
   rpc ReadFromBlock(ReadFromBlockRequest) returns (ReadFromBlockResponse);
   rpc AppendToBlockStream(stream AppendToBlockStreamRequest) returns (stream AppendToBlockStreamResponse);
+  rpc ReadFromBlockStream(stream ReadFromBlockStreamRequest) returns (stream ReadFromBlockStreamResponse);
+  rpc AppendToBlockAsyncStream(stream AppendToBlockAsyncStreamRequest) returns (stream AppendToBlockAsyncStreamResponse);
   rpc LookupOffsetInBlock(LookupOffsetInBlockRequest) returns (LookupOffsetInBlockResponse);
 
   rpc Status(google.protobuf.Empty) returns (StatusResponse);
@@ -102,6 +104,11 @@ message ReadFromBlockResponse {
   bytes payload = 2;
 }
 
+enum ResponseCode {
+  SUCCESS = 0;
+  UNKNOWN = 1;
+  SegmentFull = 2;
+}
 
 message AppendToBlockStreamRequest {
   uint64 request_id = 1;
@@ -109,13 +116,37 @@ message AppendToBlockStreamRequest {
   io.cloudevents.v1.CloudEventBatch events = 3;
 }
 
-enum ResponseCode {
-  SUCCESS = 0;
-  UNKNOWN = 1;
-  SegmentFull = 2;
+message AppendToBlockStreamResponse {
+  uint64 response_id = 1;
+  ResponseCode response_code = 2;
+  repeated int64 offsets = 3;
 }
 
-message AppendToBlockStreamResponse {
+message ReadFromBlockStreamRequest {
+  uint64 request_id = 1;
+  uint64 block_id = 2;
+  int64 offset = 3;
+  int64 number = 4;
+  // polling timeout in milliseconds, 0 is disable.
+  uint32 polling_timeout = 5;
+}
+
+message ReadFromBlockStreamResponse {
+  uint64 response_id = 1;
+  ResponseCode response_code = 2;
+  io.cloudevents.v1.CloudEventBatch events = 3;
+  // Don't use this now, just used to optimize cpu overhead of SegmentServer in
+  // the future for backward compatibility
+  bytes payload = 4;
+}
+
+message AppendToBlockAsyncStreamRequest {
+  uint64 request_id = 1;
+  uint64 block_id = 2;
+  io.cloudevents.v1.CloudEventBatch events = 3;
+}
+
+message AppendToBlockAsyncStreamResponse {
   uint64 response_id = 1;
   ResponseCode response_code = 2;
   repeated int64 offsets = 3;