diff --git a/gnes/proto/gnes_pb2.py b/gnes/proto/gnes_pb2.py
index 22003d2e..41ac07d0 100644
--- a/gnes/proto/gnes_pb2.py
+++ b/gnes/proto/gnes_pb2.py
@@ -21,7 +21,7 @@
   package='gnes',
   syntax='proto3',
   serialized_options=None,
-  serialized_pb=_b('\n\ngnes.proto\x12\x04gnes\x1a\x1fgoogle/protobuf/timestamp.proto\"9\n\x07NdArray\x12\x0c\n\x04\x64\x61ta\x18\x01 \x01(\x0c\x12\x11\n\x05shape\x18\x02 \x03(\rB\x02\x10\x01\x12\r\n\x05\x64type\x18\x03 \x01(\t\"\xbc\x01\n\x05\x43hunk\x12\x0e\n\x06\x64oc_id\x18\x01 \x01(\x04\x12\x0e\n\x04text\x18\x02 \x01(\tH\x00\x12\x1d\n\x04\x62lob\x18\x03 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\x11\n\toffset_1d\x18\x04 \x01(\r\x12)\n\toffset_nd\x18\x05 \x01(\x0b\x32\x16.gnes.Chunk.Coordinate\x12\x0e\n\x06weight\x18\x06 \x01(\x02\x1a\x1b\n\nCoordinate\x12\r\n\x01x\x18\x01 \x03(\rB\x02\x10\x01\x42\t\n\x07\x63ontent\"\xe2\x02\n\x08\x44ocument\x12\x0e\n\x06\x64oc_id\x18\x01 \x01(\x04\x12\x1b\n\x06\x63hunks\x18\x02 \x03(\x0b\x32\x0b.gnes.Chunk\x12\'\n\x10\x63hunk_embeddings\x18\x03 \x01(\x0b\x32\r.gnes.NdArray\x12(\n\x08\x64oc_type\x18\x04 \x01(\x0e\x32\x16.gnes.Document.DocType\x12\x11\n\tmeta_info\x18\x05 \x01(\x0c\x12\x12\n\x08raw_text\x18\x06 \x01(\tH\x00\x12\"\n\traw_image\x18\x07 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\"\n\traw_video\x18\x08 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\x13\n\traw_bytes\x18\t \x01(\x0cH\x00\x12\x0e\n\x06weight\x18\n \x01(\x02\"6\n\x07\x44ocType\x12\x0b\n\x07UNKNOWN\x10\x00\x12\x08\n\x04TEXT\x10\x01\x12\t\n\x05IMAGE\x10\x02\x12\t\n\x05VIDEO\x10\x03\x42\n\n\x08raw_data\"\xd4\x01\n\x08\x45nvelope\x12\x11\n\tclient_id\x18\x01 \x01(\t\x12\x12\n\nrequest_id\x18\x02 \x01(\t\x12\x0f\n\x07part_id\x18\x03 \x01(\r\x12\x10\n\x08num_part\x18\x04 \x01(\r\x12\x0f\n\x07timeout\x18\x05 \x01(\r\x12$\n\x06routes\x18\x06 \x03(\x0b\x32\x14.gnes.Envelope.route\x1aG\n\x05route\x12\x0f\n\x07service\x18\x01 \x01(\t\x12-\n\ttimestamp\x18\x02 \x01(\x0b\x32\x1a.google.protobuf.Timestamp\"y\n\x07Message\x12 \n\x08\x65nvelope\x18\x01 \x01(\x0b\x32\x0e.gnes.Envelope\x12 \n\x07request\x18\x02 \x01(\x0b\x32\r.gnes.RequestH\x00\x12\"\n\x08response\x18\x03 \x01(\x0b\x32\x0e.gnes.ResponseH\x00\x42\x06\n\x04\x62ody\"\xf6\x03\n\x07Request\x12\x12\n\nrequest_id\x18\x01 \x01(\t\x12+\n\x05train\x18\x02 \x01(\x0b\x32\x1a.gnes.Request.TrainRequestH\x00\x12+\n\x05index\x18\x03 \x01(\x0b\x32\x1a.gnes.Request.IndexRequestH\x00\x12,\n\x06search\x18\x04 \x01(\x0b\x32\x1a.gnes.Request.QueryRequestH\x00\x12/\n\x07\x63ontrol\x18\x05 \x01(\x0b\x32\x1c.gnes.Request.ControlRequestH\x00\x1a;\n\x0cTrainRequest\x12\x1c\n\x04\x64ocs\x18\x01 \x03(\x0b\x32\x0e.gnes.Document\x12\r\n\x05\x66lush\x18\x02 \x01(\x08\x1a,\n\x0cIndexRequest\x12\x1c\n\x04\x64ocs\x18\x01 \x03(\x0b\x32\x0e.gnes.Document\x1a<\n\x0cQueryRequest\x12\x1d\n\x05query\x18\x01 \x01(\x0b\x32\x0e.gnes.Document\x12\r\n\x05top_k\x18\x02 \x01(\r\x1am\n\x0e\x43ontrolRequest\x12\x35\n\x07\x63ommand\x18\x01 \x01(\x0e\x32$.gnes.Request.ControlRequest.Command\"$\n\x07\x43ommand\x12\r\n\tTERMINATE\x10\x00\x12\n\n\x06STATUS\x10\x01\x42\x06\n\x04\x62ody\"\xc4\x06\n\x08Response\x12\x12\n\nrequest_id\x18\x01 \x01(\t\x12-\n\x05train\x18\x02 \x01(\x0b\x32\x1c.gnes.Response.TrainResponseH\x00\x12-\n\x05index\x18\x03 \x01(\x0b\x32\x1c.gnes.Response.IndexResponseH\x00\x12.\n\x06search\x18\x04 \x01(\x0b\x32\x1c.gnes.Response.QueryResponseH\x00\x12\x31\n\x07\x63ontrol\x18\x05 \x01(\x0b\x32\x1e.gnes.Response.ControlResponseH\x00\x1a\x36\n\rTrainResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\x36\n\rIndexResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\x38\n\x0f\x43ontrolResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\x81\x03\n\rQueryResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x12\r\n\x05top_k\x18\x02 \x01(\r\x12?\n\x0ctopk_results\x18\x03 \x03(\x0b\x32).gnes.Response.QueryResponse.ScoredResult\x12\x39\n\x05level\x18\x04 \x01(\x0e\x32*.gnes.Response.QueryResponse.ResponseLevel\x1a{\n\x0cScoredResult\x12\x1c\n\x05\x63hunk\x18\x01 \x01(\x0b\x32\x0b.gnes.ChunkH\x00\x12\x1d\n\x03\x64oc\x18\x02 \x01(\x0b\x32\x0e.gnes.DocumentH\x00\x12\r\n\x05score\x18\x03 \x01(\x02\x12\x17\n\x0fscore_explained\x18\x04 \x01(\tB\x06\n\x04\x62ody\"A\n\rResponseLevel\x12\t\n\x05\x43HUNK\x10\x00\x12\x17\n\x13\x44OCUMENT_NOT_FILLED\x10\x01\x12\x0c\n\x08\x44OCUMENT\x10\x02\"-\n\x06Status\x12\x0b\n\x07SUCCESS\x10\x00\x12\t\n\x05\x45RROR\x10\x01\x12\x0b\n\x07PENDING\x10\x02\x42\x06\n\x04\x62ody2\xb1\x01\n\x07GnesRPC\x12(\n\x05Train\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12(\n\x05Index\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12(\n\x05Query\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12(\n\x05_Call\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x62\x06proto3')
+  serialized_pb=_b('\n\ngnes.proto\x12\x04gnes\x1a\x1fgoogle/protobuf/timestamp.proto\"9\n\x07NdArray\x12\x0c\n\x04\x64\x61ta\x18\x01 \x01(\x0c\x12\x11\n\x05shape\x18\x02 \x03(\rB\x02\x10\x01\x12\r\n\x05\x64type\x18\x03 \x01(\t\"\xbc\x01\n\x05\x43hunk\x12\x0e\n\x06\x64oc_id\x18\x01 \x01(\x04\x12\x0e\n\x04text\x18\x02 \x01(\tH\x00\x12\x1d\n\x04\x62lob\x18\x03 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\x11\n\toffset_1d\x18\x04 \x01(\r\x12)\n\toffset_nd\x18\x05 \x01(\x0b\x32\x16.gnes.Chunk.Coordinate\x12\x0e\n\x06weight\x18\x06 \x01(\x02\x1a\x1b\n\nCoordinate\x12\r\n\x01x\x18\x01 \x03(\rB\x02\x10\x01\x42\t\n\x07\x63ontent\"\xe2\x02\n\x08\x44ocument\x12\x0e\n\x06\x64oc_id\x18\x01 \x01(\x04\x12\x1b\n\x06\x63hunks\x18\x02 \x03(\x0b\x32\x0b.gnes.Chunk\x12\'\n\x10\x63hunk_embeddings\x18\x03 \x01(\x0b\x32\r.gnes.NdArray\x12(\n\x08\x64oc_type\x18\x04 \x01(\x0e\x32\x16.gnes.Document.DocType\x12\x11\n\tmeta_info\x18\x05 \x01(\x0c\x12\x12\n\x08raw_text\x18\x06 \x01(\tH\x00\x12\"\n\traw_image\x18\x07 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\"\n\traw_video\x18\x08 \x01(\x0b\x32\r.gnes.NdArrayH\x00\x12\x13\n\traw_bytes\x18\t \x01(\x0cH\x00\x12\x0e\n\x06weight\x18\n \x01(\x02\"6\n\x07\x44ocType\x12\x0b\n\x07UNKNOWN\x10\x00\x12\x08\n\x04TEXT\x10\x01\x12\t\n\x05IMAGE\x10\x02\x12\t\n\x05VIDEO\x10\x03\x42\n\n\x08raw_data\"\xd4\x01\n\x08\x45nvelope\x12\x11\n\tclient_id\x18\x01 \x01(\t\x12\x12\n\nrequest_id\x18\x02 \x01(\t\x12\x0f\n\x07part_id\x18\x03 \x01(\r\x12\x10\n\x08num_part\x18\x04 \x01(\r\x12\x0f\n\x07timeout\x18\x05 \x01(\r\x12$\n\x06routes\x18\x06 \x03(\x0b\x32\x14.gnes.Envelope.route\x1aG\n\x05route\x12\x0f\n\x07service\x18\x01 \x01(\t\x12-\n\ttimestamp\x18\x02 \x01(\x0b\x32\x1a.google.protobuf.Timestamp\"y\n\x07Message\x12 \n\x08\x65nvelope\x18\x01 \x01(\x0b\x32\x0e.gnes.Envelope\x12 \n\x07request\x18\x02 \x01(\x0b\x32\r.gnes.RequestH\x00\x12\"\n\x08response\x18\x03 \x01(\x0b\x32\x0e.gnes.ResponseH\x00\x42\x06\n\x04\x62ody\"\xf6\x03\n\x07Request\x12\x12\n\nrequest_id\x18\x01 \x01(\t\x12+\n\x05train\x18\x02 \x01(\x0b\x32\x1a.gnes.Request.TrainRequestH\x00\x12+\n\x05index\x18\x03 \x01(\x0b\x32\x1a.gnes.Request.IndexRequestH\x00\x12,\n\x06search\x18\x04 \x01(\x0b\x32\x1a.gnes.Request.QueryRequestH\x00\x12/\n\x07\x63ontrol\x18\x05 \x01(\x0b\x32\x1c.gnes.Request.ControlRequestH\x00\x1a;\n\x0cTrainRequest\x12\x1c\n\x04\x64ocs\x18\x01 \x03(\x0b\x32\x0e.gnes.Document\x12\r\n\x05\x66lush\x18\x02 \x01(\x08\x1a,\n\x0cIndexRequest\x12\x1c\n\x04\x64ocs\x18\x01 \x03(\x0b\x32\x0e.gnes.Document\x1a<\n\x0cQueryRequest\x12\x1d\n\x05query\x18\x01 \x01(\x0b\x32\x0e.gnes.Document\x12\r\n\x05top_k\x18\x02 \x01(\r\x1am\n\x0e\x43ontrolRequest\x12\x35\n\x07\x63ommand\x18\x01 \x01(\x0e\x32$.gnes.Request.ControlRequest.Command\"$\n\x07\x43ommand\x12\r\n\tTERMINATE\x10\x00\x12\n\n\x06STATUS\x10\x01\x42\x06\n\x04\x62ody\"\xc4\x06\n\x08Response\x12\x12\n\nrequest_id\x18\x01 \x01(\t\x12-\n\x05train\x18\x02 \x01(\x0b\x32\x1c.gnes.Response.TrainResponseH\x00\x12-\n\x05index\x18\x03 \x01(\x0b\x32\x1c.gnes.Response.IndexResponseH\x00\x12.\n\x06search\x18\x04 \x01(\x0b\x32\x1c.gnes.Response.QueryResponseH\x00\x12\x31\n\x07\x63ontrol\x18\x05 \x01(\x0b\x32\x1e.gnes.Response.ControlResponseH\x00\x1a\x36\n\rTrainResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\x36\n\rIndexResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\x38\n\x0f\x43ontrolResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x1a\x81\x03\n\rQueryResponse\x12%\n\x06status\x18\x01 \x01(\x0e\x32\x15.gnes.Response.Status\x12\r\n\x05top_k\x18\x02 \x01(\r\x12?\n\x0ctopk_results\x18\x03 \x03(\x0b\x32).gnes.Response.QueryResponse.ScoredResult\x12\x39\n\x05level\x18\x04 \x01(\x0e\x32*.gnes.Response.QueryResponse.ResponseLevel\x1a{\n\x0cScoredResult\x12\x1c\n\x05\x63hunk\x18\x01 \x01(\x0b\x32\x0b.gnes.ChunkH\x00\x12\x1d\n\x03\x64oc\x18\x02 \x01(\x0b\x32\x0e.gnes.DocumentH\x00\x12\r\n\x05score\x18\x03 \x01(\x02\x12\x17\n\x0fscore_explained\x18\x04 \x01(\tB\x06\n\x04\x62ody\"A\n\rResponseLevel\x12\t\n\x05\x43HUNK\x10\x00\x12\x17\n\x13\x44OCUMENT_NOT_FILLED\x10\x01\x12\x0c\n\x08\x44OCUMENT\x10\x02\"-\n\x06Status\x12\x0b\n\x07SUCCESS\x10\x00\x12\t\n\x05\x45RROR\x10\x01\x12\x0b\n\x07PENDING\x10\x02\x42\x06\n\x04\x62ody2\x95\x02\n\x07GnesRPC\x12(\n\x05Train\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12(\n\x05Index\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12(\n\x05Query\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12(\n\x05_Call\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00\x12\x30\n\x0bTrainStream\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00(\x01\x12\x30\n\x0bIndexStream\x12\r.gnes.Request\x1a\x0e.gnes.Response\"\x00(\x01\x62\x06proto3')
   ,
   dependencies=[google_dot_protobuf_dot_timestamp__pb2.DESCRIPTOR,])
 
@@ -1238,7 +1238,7 @@
   index=0,
   serialized_options=None,
   serialized_start=2343,
-  serialized_end=2520,
+  serialized_end=2620,
   methods=[
   _descriptor.MethodDescriptor(
     name='Train',
@@ -1276,6 +1276,24 @@
     output_type=_RESPONSE,
     serialized_options=None,
   ),
+  _descriptor.MethodDescriptor(
+    name='TrainStream',
+    full_name='gnes.GnesRPC.TrainStream',
+    index=4,
+    containing_service=None,
+    input_type=_REQUEST,
+    output_type=_RESPONSE,
+    serialized_options=None,
+  ),
+  _descriptor.MethodDescriptor(
+    name='IndexStream',
+    full_name='gnes.GnesRPC.IndexStream',
+    index=5,
+    containing_service=None,
+    input_type=_REQUEST,
+    output_type=_RESPONSE,
+    serialized_options=None,
+  ),
 ])
 _sym_db.RegisterServiceDescriptor(_GNESRPC)
 
diff --git a/gnes/proto/gnes_pb2_grpc.py b/gnes/proto/gnes_pb2_grpc.py
index e93ff0f3..905a8260 100644
--- a/gnes/proto/gnes_pb2_grpc.py
+++ b/gnes/proto/gnes_pb2_grpc.py
@@ -34,6 +34,16 @@ def __init__(self, channel):
         request_serializer=gnes__pb2.Request.SerializeToString,
         response_deserializer=gnes__pb2.Response.FromString,
         )
+    self.TrainStream = channel.stream_unary(
+        '/gnes.GnesRPC/TrainStream',
+        request_serializer=gnes__pb2.Request.SerializeToString,
+        response_deserializer=gnes__pb2.Response.FromString,
+        )
+    self.IndexStream = channel.stream_unary(
+        '/gnes.GnesRPC/IndexStream',
+        request_serializer=gnes__pb2.Request.SerializeToString,
+        response_deserializer=gnes__pb2.Response.FromString,
+        )
 
 
 class GnesRPCServicer(object):
@@ -69,6 +79,20 @@ def _Call(self, request, context):
     context.set_details('Method not implemented!')
     raise NotImplementedError('Method not implemented!')
 
+  def TrainStream(self, request_iterator, context):
+    # missing associated documentation comment in .proto file
+    pass
+    context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+    context.set_details('Method not implemented!')
+    raise NotImplementedError('Method not implemented!')
+
+  def IndexStream(self, request_iterator, context):
+    # missing associated documentation comment in .proto file
+    pass
+    context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+    context.set_details('Method not implemented!')
+    raise NotImplementedError('Method not implemented!')
+
 
 def add_GnesRPCServicer_to_server(servicer, server):
   rpc_method_handlers = {
@@ -92,6 +116,16 @@ def add_GnesRPCServicer_to_server(servicer, server):
           request_deserializer=gnes__pb2.Request.FromString,
           response_serializer=gnes__pb2.Response.SerializeToString,
       ),
+      'TrainStream': grpc.stream_unary_rpc_method_handler(
+          servicer.TrainStream,
+          request_deserializer=gnes__pb2.Request.FromString,
+          response_serializer=gnes__pb2.Response.SerializeToString,
+      ),
+      'IndexStream': grpc.stream_unary_rpc_method_handler(
+          servicer.IndexStream,
+          request_deserializer=gnes__pb2.Request.FromString,
+          response_serializer=gnes__pb2.Response.SerializeToString,
+      ),
   }
   generic_handler = grpc.method_handlers_generic_handler(
       'gnes.GnesRPC', rpc_method_handlers)
diff --git a/shell/make-proto.sh b/shell/make-proto.sh
index 0cdec79b..94d734c3 100755
--- a/shell/make-proto.sh
+++ b/shell/make-proto.sh
@@ -1,10 +1,10 @@
 #!/usr/bin/env bash
 
 SRC_DIR=../gnes/proto/
-PLUGIN_PATH=/Volumes/TOSHIBA-4T/Documents/grpc/bins/opt/grpc_python_plugin
-#PLUGIN_PATH=/Users/yanlarry/Desktop/git/grpc/bins/opt/grpc_python_plugin
+#PLUGIN_PATH=/Volumes/TOSHIBA-4T/Documents/grpc/bins/opt/grpc_python_plugin
+PLUGIN_PATH=/Users/yanlarry/Desktop/git/grpc/bins/opt/grpc_python_plugin
 
 protoc -I ${SRC_DIR} --python_out=${SRC_DIR} --grpc_python_out=${SRC_DIR} --plugin=protoc-gen-grpc_python=${PLUGIN_PATH} ${SRC_DIR}gnes.proto
 
 # fix import bug in google generator
-sed -i '' -e '4s/.*/from\ \.\ import\ gnes_pb2\ as\ gnes__pb2/' ${SRC_DIR}gnes_pb2_grpc.py
\ No newline at end of file
+sed -i '' -e '4s/.*/from\ \.\ import\ gnes_pb2\ as\ gnes__pb2/' ${SRC_DIR}gnes_pb2_grpc.py