**Describe the situation**
```
$ ./clickhouse-21.3.3 client --query "SELECT * FROM system.numbers_mt FORMAT Native" | pv > /dev/null
^C,1GiB 0:00:45 [ 710MiB/s] [                                                                                                                                                                                               <=>                      ]

$ ./clickhouse-21.3.3 client --compress 0 --query "SELECT * FROM system.numbers_mt FORMAT Native" | pv > /dev/null
^C,2GiB 0:00:12 [1,48GiB/s] [                                                   <=>                                                                                                                                                                  ]
```

if (startsWith(replica_key, "replica"))
                {
                    replica_addresses.emplace_back(config,
                        partial_prefix + replica_key,
                        cluster_name,
                        secret,
                        current_shard_num,
                        current_replica_num);
                    ++current_replica_num;
                    if (internal_replication)
                    {
                        
                        {
                            auto dir_name = replica_addresses.back().toFullString(false );
                            if (!replica_addresses.back().is_local)
                                concatInsertPath(insert_paths.prefer_localhost_replica, dir_name);
                            concatInsertPath(insert_paths.no_prefer_localhost_replica, dir_name);
                        }
                        
                        {
                            auto dir_name = replica_addresses.back().toFullString(true );
                            if (!replica_addresses.back().is_local)
                                concatInsertPath(insert_paths.prefer_localhost_replica_compact, dir_name);
                            concatInsertPath(insert_paths.no_prefer_localhost_replica_compact, dir_name);
                        }
                    }
                }
                else
                    throw Exception("Unknown element in config: " + replica_key, ErrorCodes::UNKNOWN_ELEMENT_IN_CONFIG);
            }