Ruby GRPC Memory Leak

greeter_client.rb

# Sample app that connects to a Greeter service.
#
# Usage: $ path/to/greeter_client.rb

this_dir = File.expand_path(File.dirname(__FILE__))
lib_dir = File.join(this_dir, 'lib')
$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)

require 'grpc'
require 'helloworld_services'

def main
  stub = Helloworld::Greeter::Stub.new('localhost:50051', :this_channel_is_insecure)

  loop do
    stub.say_hello(Helloworld::HelloRequest.new(name: Time.now.to_s * 100))
  end
end

main

greeter_server.rb

# Sample gRPC server that implements the Greeter::Helloworld service.
#
# Usage: $ path/to/greeter_server.rb

this_dir = File.expand_path(File.dirname(__FILE__))
lib_dir = File.join(this_dir, 'lib')
$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)

require 'grpc'
require 'helloworld_services'

# GreeterServer is simple server that implements the Helloworld Greeter server.
class GreeterServer < Helloworld::Greeter::Service
  # say_hello implements the SayHello rpc method.
  def say_hello(hello_req, _unused_call)
    Helloworld::HelloReply.new(message: "Hello #{hello_req.name}" * 10000) # Longer text
  end
end

# main starts an RpcServer that receives requests to GreeterServer at the sample
# server port.
def main
  s = GRPC::RpcServer.new
  s.add_http2_port('0.0.0.0:50051', :this_port_is_insecure)
  s.handle(GreeterServer)
  s.run_till_terminated
end

main