#1910 C++ SDK GetIDsInSegment could not work for large dataset (#1911)

Signed-off-by: Ngroot <yihua.mo@zilliz.com>

CHANGELOG.md

@@ -11,6 +11,7 @@ Please mark all change in change log and use the issue from GitHub
 -   \#1832 Fix crash in tracing module
 -   \#1873 Fix index file serialize to incorrect path
 -   \#1881 Fix bad alloc when index files lost
+-   \#1910 C++ SDK GetIDsInSegment could not work for large dataset
 
 ## Feature
 -   \#261  Integrate ANNOY into Milvus

sdk/grpc/ClientProxy.cpp

@@ -79,7 +79,10 @@ Status
 ClientProxy::Connect(const ConnectParam& param) {
     std::string uri = param.ip_address + ":" + param.port;
 
-    channel_ = ::grpc::CreateChannel(uri, ::grpc::InsecureChannelCredentials());
+    ::grpc::ChannelArguments args;
+    args.SetMaxSendMessageSize(-1);
+    args.SetMaxReceiveMessageSize(-1);
+    channel_ = ::grpc::CreateCustomChannel(uri, ::grpc::InsecureChannelCredentials(), args);
     if (channel_ != nullptr) {
         connected_ = true;
         client_ptr_ = std::make_shared<GrpcClient>(channel_);