message: a little more default value tuning. and note that commits and also refer to
diff: @@ -39,8 +39,9 @@ namespace eos {
  /**
  * default value initializers
  */
  - constexpr auto def_buffer_size = 1024*1024*4;
  - constexpr auto def_max_clients = 0; // 0 for unlimited clients
  + constexpr auto def_buffer_size_mb = 4;
  + constexpr auto def_buffer_size = 1024*1024*def_buffer_size_mb;
  + constexpr auto def_max_clients = 20; // 0 for unlimited clients
  constexpr auto def_conn_retry_wait = std::chrono::seconds (30);
  constexpr auto def_txn_expire_wait = std::chrono::seconds (3);
  constexpr auto def_resp_expected_wait = std::chrono::seconds (1);
  