message: Replace hardcoded 100 with RDMA_QP_QUEUE_DEPTH
diff: @@ -127,7 +127,7 @@ bool RdmaMgr::ConnectivityCheck() {
  VLOG(2) << "Ping to " << worker_name;
  CHECK(rc->PingPostSend() == 0) << "Couldn't post send to " << worker_name
  << " with error: " << std::strerror(errno);
  - for (int i = 0; i < 100; i++) {
  + for (i = 0; i < rc->adapter_->params_.queue_depth - 1; i++) {
  rc->Recv();
  }
  }
  