From ec08d77474f9433728a320b28dfb647a80fd3738 Mon Sep 17 00:00:00 2001
From: Parveen Kumar <sudopk@gmail.com>
Date: Thu, 29 Oct 2020 11:05:08 -0700
Subject: [PATCH] Specify a large value for max metadata size in grpc_cli
 client channel.

This is useful in cases where server sends back large stacktrace and
default value of 8192 isn't enough.
---
 test/cpp/util/grpc_tool.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test/cpp/util/grpc_tool.cc b/test/cpp/util/grpc_tool.cc
index eed3ddb3dcb..6e1fd9da909 100644
--- a/test/cpp/util/grpc_tool.cc
+++ b/test/cpp/util/grpc_tool.cc
@@ -235,6 +235,9 @@ std::shared_ptr<grpc::Channel> CreateCliChannel(
     args.SetString(GRPC_ARG_SERVICE_CONFIG,
                    FLAGS_default_service_config.c_str());
   }
+  // See |GRPC_ARG_MAX_METADATA_SIZE| in |grpc_types.h|.
+  // Set to large enough size (10M) that should work for most use cases.
+  args.SetInt(GRPC_ARG_MAX_METADATA_SIZE, 10 * 1024 * 1024);
   return ::grpc::CreateCustomChannel(server_address, cred.GetCredentials(),
                                      args);
 }